Amazon Rds MCQ Questions and Answers

Mastering Amazon Rds is crucial for cloud certification success. This dedicated practice set features 152 Amazon Rds MCQ questions and answers designed to mirror real exam scenarios across various AWS certifications.

📝 152 Questions⏱️ 90 min🎯 Pass: 70%

About Amazon Rds Practice Questions

This detailed quiz focuses on Amazon Rds, covering key concepts and scenarios often found in AWS exams.

  • Comprehensive coverage of Amazon Rds features.
  • Scenario-based questions testing design and troubleshooting skills.
  • Detailed explanations to reinforce learning.

All 152 Amazon Rds Questions

Browse through the complete list of questions and answers below. Use this resource to review specific concepts or check your understanding of Amazon Rds.

1

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon DynamoDB
Amazon S3
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
2

Which AWS database service is best for a traditional MySQL application that requires automated backups, patching, and high availability across multiple AZs?

Amazon RDS
Amazon DynamoDB
Amazon Redshift
Amazon ElastiCache
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS makes it easy to set up, operate, and scale a relational database in the cloud.
3

Amazon Aurora is a MySQL and PostgreSQL-compatible relational database built for the cloud. How does its storage performance compare to standard RDS?

It is up to 5x faster than standard MySQL on RDS
It is twice as slow but more durable
It uses the same underlying storage engine as RDS
It only supports single-AZ deployments
View Explanation
✓ Correct Answer: It is up to 5x faster than standard MySQL on RDSExplanation:Aurora provides significantly better performance and availability by using a cloud-native distributed storage system.
4

You want to improve the read performance of your RDS database for a globally distributed web application. Which feature should you use?

Read Replicas
Multi-AZ Deployment
RDS Proxy
Database Snapshots
View Explanation
✓ Correct Answer: Read ReplicasExplanation:Read Replicas allow you to offload read traffic from your primary database instance.
5

What is the primary purpose of an RDS Multi-AZ deployment?

High availability and failover support
Improving read throughput
Reducing the cost of storage
Connecting to on-premises databases
View Explanation
✓ Correct Answer: High availability and failover supportExplanation:Multi-AZ creates a synchronous standby instance in a different Availability Zone for automatic failover.
6

Which RDS database engine is a proprietary AWS engine designed for high-performance and high-availability workloads?

Amazon Aurora
MariaDB
Oracle
SQL Server
View Explanation
✓ Correct Answer: Amazon AuroraExplanation:Amazon Aurora is AWS's fully managed relational database engine compatible with MySQL and PostgreSQL.
7

You want to automate the scaling of your RDS database's compute resources in response to traffic changes. Which RDS feature should you use?

Aurora Serverless
RDS Reserved Instances
RDS Custom
RDS Event Notifications
View Explanation
✓ Correct Answer: Aurora ServerlessExplanation:Aurora Serverless automatically starts up, shuts down, and scales capacity up or down based on your application's needs.
8

How can you encrypt your Amazon RDS data at rest?

By enabling encryption at the time of database creation using AWS KMS
It is encrypted by default with no user control
By using a VPN connection only
By writing custom encryption logic in your application
View Explanation
✓ Correct Answer: By enabling encryption at the time of database creation using AWS KMSExplanation:RDS uses AWS Key Management Service (KMS) to manage encryption keys for your database instances.
9

Which RDS feature allows you to create a point-in-time copy of your database that can be used for backup and disaster recovery across regions?

DB Snapshots
Read Replicas
Multi-AZ standby
IAM Policies
View Explanation
✓ Correct Answer: DB SnapshotsExplanation:DB snapshots are user-initiated backups of your instance that are stored in S3 and can be copied to other regions.
10

Which RDS database engine is open-source and provides a drop-in replacement for MySQL, created by the original developers of MySQL?

MariaDB
Oracle
PostgreSQL
Aurora
View Explanation
✓ Correct Answer: MariaDBExplanation:MariaDB is a popular open-source relational database that is supported as an engine in Amazon RDS.
11

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
12

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon S3
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
13

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
14

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
15

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon S3
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
16

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
17

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
18

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
19

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
20

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
21

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
22

A company requires a relational database in AWS that can handle unpredictable traffic spikes while minimizing operational overhead. Which RDS feature or engine should the solutions architect recommend?

Amazon Aurora Serverless v2
Amazon RDS for MySQL with Multi-AZ enabled
Amazon DynamoDB with Auto Scaling
Amazon Redshift with Data Sharing
View Explanation
✓ Correct Answer: Amazon Aurora Serverless v2Explanation:Aurora Serverless v2 scales CPU and memory resources instantly in small increments to handle even the most demanding and unpredictable workloads.
23

A solutions architect is designing a high-availability database for an application. The primary database should automatically fail over to a standby in another Availability Zone with zero data loss. Which feature is required?

Amazon RDS Multi-AZ Replication
Amazon RDS Read Replicas
AWS Database Migration Service
S3 Snapshot Replication
View Explanation
✓ Correct Answer: Amazon RDS Multi-AZ ReplicationExplanation:Multi-AZ configurations use synchronous replication to provide high availability and automatic failover, whereas read replicas use asynchronous replication and are primarily for scaling reads.
24

An application has a read-heavy workload that is causing performance degradation on the primary RDS MySQL instance. How can the architect scale the read capacity globally for users in different regions?

Create Cross-Region Read Replicas
Deploy the database in a Multi-AZ configuration
Use Amazon Aurora Global Database
Increase the RDS instance size (Vertical Scaling)
View Explanation
✓ Correct Answer: Create Cross-Region Read ReplicasExplanation:Cross-Region Read Replicas allow for scaling read traffic globally and provide a disaster recovery option.
25

A company needs to analyze audit logs stored in an RDS SQL Server database. They want to offload this analytical work from the production database. Which approach is most efficient for a SQL Server engine in RDS?

Use Read Replicas (if supported by the edition) or AWS DMS to sync to a separate instance
Perform a daily manual backup and restore
Migrate the logs to DynamoDB
Use Multi-AZ standby for analytics
View Explanation
✓ Correct Answer: Use Read Replicas (if supported by the edition) or AWS DMS to sync to a separate instanceExplanation:RDS for SQL Server supports read replicas for certain editions. Alternatively, DMS could be used for continuous replication to an analytical database.
26

An architect is designing an e-commerce platform using Amazon Aurora. The platform needs to survive the failure of an entire AWS Region with a low Recovery Point Objective (RPO). Which feature should be used?

Amazon Aurora Global Database
Amazon Aurora Multi-Master
S3 Cross-Region Replication of backups
CloudFormation StackSets
View Explanation
✓ Correct Answer: Amazon Aurora Global DatabaseExplanation:Aurora Global Database replicates data to up to 5 secondary regions with typical RPO of less than 1 second, enabling fast regional failover.
27

A legacy SQL application requires Windows-specific features and high availability. The architect chooses RDS for SQL Server. Which HA option should be selected for an Enterprise edition deployment?

Multi-AZ with Always On Availability Groups
Database Mirroring
Log Shipping
Cluster Placement Groups
View Explanation
✓ Correct Answer: Multi-AZ with Always On Availability GroupsExplanation:RDS for SQL Server uses Always On Availability Groups (AGs) to provide synchronous replication and automatic failover for high availability.
28

How can a solutions architect improve the performance of an RDS instance that is experiencing high disk I/O latency despite having enough CPU and RAM?

Change the storage type to Provisioned IOPS (io1/io2)
Increase the instance size
Enable Multi-AZ
Use Amazon ElastiCache in front of RDS
View Explanation
✓ Correct Answer: Change the storage type to Provisioned IOPS (io1/io2)Explanation:Provisioned IOPS storage provides consistent and high-performance Disk I/O, which is effective when the bottleneck is at the storage layer.
29

A company wants to encrypt an existing unencrypted RDS for Oracle database. What is the process the architect must follow?

Take a snapshot of the instance, copy the snapshot while enabling encryption, and restore a new instance from the encrypted snapshot
Simply check the 'Encryption' box in the RDS Console and apply changes immediately
Use an IAM policy to enforce encryption on the existing instance
You cannot encrypt an existing RDS instance; you must export all data and import into a new one
View Explanation
✓ Correct Answer: Take a snapshot of the instance, copy the snapshot while enabling encryption, and restore a new instance from the encrypted snapshotExplanation:You cannot enable encryption on an existing live RDS database. The standard procedure is snapshot -> copy with encryption -> restore.
30

Which RDS database engine is specifically designed by AWS to be compatible with MySQL and PostgreSQL, offering up to 3x-5x better performance than the standard community versions?

Amazon Aurora
Amazon DynamoDB
Amazon RDS Custom
Amazon Redshift
View Explanation
✓ Correct Answer: Amazon AuroraExplanation:Aurora is a proprietary AWS database engine that provides high performance and availability for relational workloads.
31

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
32

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon EC2
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
33

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon RDS
Amazon S3
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
34

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
35

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
36

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
37

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
38

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
39

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon RDS
Amazon DynamoDB
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
40

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon RDS
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
41

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon RDS
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
42

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon EC2
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
43

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
44

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon RDS
Amazon EC2
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
45

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
46

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
47

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
48

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
49

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon RDS
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
50

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
51

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
52

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon RDS
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
53

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
54

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
55

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
56

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
57

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
58

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
59

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
60

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
61

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
62

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
63

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon EC2
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
64

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon DynamoDB
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
65

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon EC2
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
66

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon RDS
Amazon EC2
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
67

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
68

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
69

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
70

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
71

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
72

You are designing a disaster recovery solution for a mission-critical SQL Server database running on Amazon RDS. The business requirements specify a Recovery Time Objective (RTO) of 30 minutes and a Recovery Point Objective (RPO) of 5 minutes. Which RDS feature should you use?

Cross-Region Read Replicas (with promotion mechanism)
Multi-AZ deployment
Cross-Region Snapshot Copying every hour
AWS Backup for RDS
View Explanation
✓ Correct Answer: Cross-Region Read Replicas (with promotion mechanism)Explanation:Multi-AZ protects against zonal failure in ONE region. For inter-region DR with a low RPO/RTO, Cross-Region Read Replicas provide near-real-time replication.
73

You are designing a high-availability multi-tier web application. You want to ensure that if an entire Availability Zone (AZ) fails, your application automatically recovers with zero data loss for the database. Which RDS configuration should you use?

RDS Multi-AZ with synchronous replication
RDS with Read Replicas (Asynchronous)
RDS Custom for Oracle
Scheduled RDS backups every 15 minutes
View Explanation
✓ Correct Answer: RDS Multi-AZ with synchronous replicationExplanation:Multi-AZ RDS maintains a standby instance in a different AZ and uses synchronous replication to ensure that if the primary fails, the standby is up to date and can take over automatically.
74

A global gaming company needs a database that can handle multi-region writes with strong consistency and sub-second failover in the event of a regional outage. Which RDS-based service provides this capability?

Amazon Aurora Global Database
Amazon RDS PostgreSQL with Cross-Region Replicas
Amazon DynamoDB with Global Tables
Amazon Aurora Multi-Master
View Explanation
✓ Correct Answer: Amazon Aurora Global DatabaseExplanation:Aurora Global Database allows for fast cross-region replication (latency < 1 second) and provides sub-minute recovery from regional outages, supporting multi-region read scalability and fast disaster recovery.
75

You are designing a high-traffic API that uses AWS Lambda. You want to ensure that your database (Amazon RDS) is not overwhelmed by too many concurrent connections during traffic spikes. What is the most architectural way to handle this?

Amazon RDS Proxy
Using an SQS queue between Lambda and the DB
Increasing the RDS instance size
Setting Lambda concurrency limits
View Explanation
✓ Correct Answer: Amazon RDS ProxyExplanation:RDS Proxy pools and shares established database connections, significantly improving application scalability and resilience to connection-related failures.
76

A travel website experiences unpredictable traffic spikes. They use an Amazon Aurora database. How can they ensure that the database tier scales automatically for both read and write workloads without manual intervention?

Amazon Aurora Serverless v2
Aurora Auto Scaling (for Read Replicas)
Increasing the instance size manually
Using a bigger disk
View Explanation
✓ Correct Answer: Amazon Aurora Serverless v2Explanation:Aurora Serverless v2 scales CPU and memory instantly based on application demand, supporting both read and write scaling automatically.
77

An organization wants to migrate their legacy Oracle database to Amazon Aurora PostgreSQL. They want a tool that can automatically convert the schema and stored procedures. Which tool should they use?

AWS Schema Conversion Tool (SCT)
AWS Database Migration Service (DMS)
AWS Migration Hub
AWS Application Discovery Service
View Explanation
✓ Correct Answer: AWS Schema Conversion Tool (SCT)Explanation:SCT is designed for heterogenous migrations where the source and target database engines are different, helping with schema conversion and code refactoring.
78

An organization is migrating a 10 TB Oracle database to Amazon Aurora PostgreSQL. They need to perform a near-zero downtime migration and require a tool that can handle continuous data replication during the cutover. Which service should they use?

AWS Database Migration Service (DMS)
AWS Schema Conversion Tool (SCT)
Amazon RDS Snapshot Copy
AWS DataSync
View Explanation
✓ Correct Answer: AWS Database Migration Service (DMS)Explanation:AWS DMS supports both full-load and Change Data Capture (CDC) to keep the target database in sync with the source until the final cutover, minimizing downtime.
79

In Amazon Aurora, what is the primary purpose of 'Global Database' for an organization with a global user base?

It provides low-latency reads in secondary regions and fast disaster recovery with an RPO of less than 1 second
It is cheaper
It supports more concurrent connections
It automatically translates the database schema
View Explanation
✓ Correct Answer: It provides low-latency reads in secondary regions and fast disaster recovery with an RPO of less than 1 secondExplanation:Global Databases use physical replication to keep remote regions in sync with very low latency, enabling global scaling and resilience.
80

To increase the availability of your Amazon RDS database across multiple geographical regions, what feature should you use?

Cross-Region Read Replicas
Multi-AZ deployment
RDS Custom
AWS Backup
View Explanation
✓ Correct Answer: Cross-Region Read ReplicasExplanation:Multi-AZ is for zonal redundancy; Cross-Region Replicas are for regional redundancy and global scale.
81

A financial firm requirements specify that all data stored in Amazon RDS must be encrypted with keys that only their internal security team can manage and rotate. They also want to be able to revoke access to the keys at any time. Which RDS encryption option should they use?

AWS KMS Customer Managed Key (CMK)
AWS Managed Key
RDS Default Encryption
Client-side encryption using a 3rd party tool
View Explanation
✓ Correct Answer: AWS KMS Customer Managed Key (CMK)Explanation:CMKs give you full control over the key policy, enabling rotation management and the ability to disable/delete the key to render data unreadable.
82

You are hosting a mission-critical database on Amazon Aurora. To ensure high availability with the lowest possible RTO across three Availability Zones, what is the minimum number of Aurora replicas you should have?

2 replicas (one in each of the three zones including the primary)
1 replica
0 replicas
5 replicas
View Explanation
✓ Correct Answer: 2 replicas (one in each of the three zones including the primary)Explanation:Aurora distributes data across three AZs. Having at least two replicas (for a total of three instances) ensures that an instance is available in every AZ for near-instant failover.
83

You are designing a disaster recovery plan for a high-traffic e-commerce site. You want to maintain a 'Warm Standby' architecture in a secondary region. Which RDS configuration should you use to ensure the standby is ready to take production traffic within 10 minutes?

RDS Cross-Region Read Replica (pre-scaled to production sizes)
RDS Multi-AZ
Manual snapshot restore during a disaster
AWS Backup only
View Explanation
✓ Correct Answer: RDS Cross-Region Read Replica (pre-scaled to production sizes)Explanation:A 'Warm Standby' requires the database to be running and synchronized (RPO). Pre-scaling the replica ensures it can handle the load immediately upon promotion (low RTO).
84

You are hosting a large database on Amazon RDS and notice that its performance is suffering due to high 'Read' latency. Which architectural change provides the most immediate relief for read-heavy workloads?

Create RDS Read Replicas and offload read queries to them
Increase the disk size of the primary RDS instance
Switch from SSD to Magnetic storage
Enable RDS Multi-AZ
View Explanation
✓ Correct Answer: Create RDS Read Replicas and offload read queries to themExplanation:Read Replicas allow you to scale your read capacity horizontally, which is much more effective than vertical scaling for many applications.
85

You are migrating a critical transaction system from a legacy IBM Mainframe DB2 database to Amazon Aurora PostgreSQL. Which AWS tool helps you identify the incompatible database features and provides code suggestions for the target database?

AWS Schema Conversion Tool (SCT)
AWS DMS
AWS Application Discovery Service
AWS Migration Hub
View Explanation
✓ Correct Answer: AWS Schema Conversion Tool (SCT)Explanation:SCT is specialized for 'heterogeneous' migrations where the database engine changes, helping automate the difficult parts of schema and code conversion.
86

Which AWS database service provides a managed MongoDB-compatible experience for developers who want a document database that can scale to handle millions of requests per second?

Amazon DocumentDB (with MongoDB compatibility)
Amazon DynamoDB
Amazon RDS PostgreSQL
Amazon Keyspaces
View Explanation
✓ Correct Answer: Amazon DocumentDB (with MongoDB compatibility)Explanation:DocumentDB is Amazon's fast, scalable, and fully managed document database service that supports MongoDB workloads.
87

An organization wants to analyze the performance of their SQL queries across all their Amazon RDS and Aurora databases to identify the slowest queries and see execution plans. Which tool should they use?

RDS Performance Insights
AWS X-Ray
CloudWatch Logs Insights
CloudWatch Metrics
View Explanation
✓ Correct Answer: RDS Performance InsightsExplanation:Performance Insights provides a dashboard to monitor database load and identify bottlenecks at the query level.
88

An organization is migrating their 100 on-premises SQL Server databases to AWS. They want to ensure they choose the right RDS instance size to maximize performance while minimizing cost. Which tool can provide right-sizing recommendations based on actual workload metrics?

AWS Compute Optimizer (now supports RDS)
AWS Trusted Advisor
AWS Budgets
AWS Migration Hub
View Explanation
✓ Correct Answer: AWS Compute Optimizer (now supports RDS)Explanation:Compute Optimizer recently added support for RDS, providing ML-driven recommendations for instance sizing and storage type.
89

A travel website experiences extremely high traffic during holidays. They use Amazon Aurora and want to ensure that the database can handle up to 2 million concurrent connections during peak times. Which architectural component should they use?

Amazon RDS Proxy
Aurora Auto Scaling
Increasing RDS instance size
Sticky Sessions on ALB
View Explanation
✓ Correct Answer: Amazon RDS ProxyExplanation:RDS Proxy pools connections, allowing many application instances to share a smaller number of database connections, effectively scaling to millions of clients.
90

An organization is using Amazon Aurora PostgreSQL. They want to ensure that they have a second, in-sync copy of their database in another region to meet an RTO of 5 minutes in case of a regional disaster. Solution?

Amazon Aurora Global Database
Multi-AZ Aurora
Daily S3 backups
RDS Cross-Region replicas
View Explanation
✓ Correct Answer: Amazon Aurora Global DatabaseExplanation:Aurora Global Database provides fast asynchronous replication with a low RPO and sub-minute failover (low RTO).
91

You are designing a disaster recovery solution for a global application that requires an RTO of less than 1 hour and an RPO of less than 1 minute. The database is Amazon Aurora. Which architecture is most appropriate?

Amazon Aurora Global Database with automated failover
RDS Cross-Region Read Replicas
Multi-AZ Aurora
Manual snapshot restore across regions
View Explanation
✓ Correct Answer: Amazon Aurora Global Database with automated failoverExplanation:Aurora Global Database replicates data physically with latency typically under a second, providing near-instant RPO and RTO for regional failovers.
92

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon RDS
Amazon DynamoDB
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
93

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
94

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
95

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
96

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon RDS
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
97

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon RDS
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
98

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon EC2
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
99

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
100

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
101

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
102

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
103

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon RDS
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
104

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon RDS
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
105

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon RDS
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
106

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon EC2
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
107

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon S3
Amazon RDS
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
108

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
109

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon RDS
Amazon EC2
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
110

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
111

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon RDS
Amazon DynamoDB
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
112

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
113

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon EC2
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
114

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
115

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
116

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
117

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon S3
Amazon DynamoDB
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
118

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
119

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon RDS
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
120

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
121

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
122

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
123

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
124

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon EC2
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
125

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon RDS
Amazon DynamoDB
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
126

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
127

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
128

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon EC2
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
129

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
130

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
131

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
132

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon DynamoDB
Amazon S3
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
133

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
134

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
135

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
136

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
137

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon EC2
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
138

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
139

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon RDS
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
140

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
141

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon DynamoDB
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
142

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
143

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon EC2
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
144

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon RDS
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
145

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon S3
Amazon DynamoDB
Amazon RDS
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
146

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon DynamoDB
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
147

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon EC2
Amazon DynamoDB
Amazon RDS
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
148

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon EC2
Amazon DynamoDB
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
149

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
150

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon DynamoDB
Amazon RDS
Amazon EC2
Amazon S3
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
151

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon RDS
Amazon DynamoDB
Amazon S3
Amazon EC2
View Explanation
✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.
152

A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?

Amazon S3
Amazon DynamoDB
Amazon RDS
Amazon EC2
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✓ Correct Answer: Amazon RDSExplanation:Amazon RDS is a fully managed relational database service that supports high availability and automated backups out of the box.