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aws Practice Questions

Page 11 of 12 (1149 total questions)

Which AWS service provides an automated way to discover, classify, and protect sensitive data (like PII) stored in Amazon S3 buckets across an entire organization?
View Question & Answer ➔
What is the primary benefit of 'AWS Lake Formation' for an organization building a data lake?
View Question & Answer ➔
A healthcare provider must ensure that no Personal Health Information (PHI) is accidentally uploaded to their public-facing S3 buckets. They want a solution that automatically scans every new object and alerts if sensitive data is found. Which AWS service provides this functionality?
View Question & Answer ➔
An organization wants to move their complex ETL pipelines to AWS. They want a serverless service that can automatically handle data cataloging, schema discovery, and run Spark/Python jobs without managing servers. Which service should they choose?
View Question & Answer ➔
A media company is seeing unexpected spikes in their AWS bill due to several large S3 buckets being accessed globally. They want to identify which specific IP addresses and user agents are making most of the S3 requests. What should they enable?
View Question & Answer ➔
A media company is hosting their video library on Amazon S3. They want to provide a way for their mobile app users to securely download videos while ensuring that the links expire after 1 hour. What should they use?
View Question & Answer ➔
Your organization wants to ensure that all their critical S3 buckets have 'Object Lock' enabled to prevent any data from being deleted for 7 years due to compliance. Which mode of Object Lock provides the strongest protection, where even the ROOT user cannot delete the objects?
View Question & Answer ➔
A media company is using Amazon S3 to store high-value videos. They want to ensure that if a region fails, their customers can still stream the videos from a secondary region with an RTO of zero. Which feature should they enable?
View Question & Answer ➔
You need to perform a one-time update to the 'Storage Class' of 500 million objects in an S3 bucket to transition them from Standard to Glacier Deep Archive. Which S3 feature is specifically designed to perform actions on a massive number of objects at scale?
View Question & Answer ➔
Your organization has multiple cloud accounts. Users in Account A need temporary access to resources in Account B. What AWS IAM feature should you use?
View Question & Answer ➔
An organization wants to analyze why their Amazon Athena queries are running slowly. They want to see exactly how much data was scanned for each query and identifying any 'full table scans' on large datasets. Where can they find this granular query performance data?
View Question & Answer ➔
To protect against a large-scale Ransomware attack that modifies or deletes objects in your S3 buckets, which S3 feature should you use to ensure you can recover to a specific point in time before the attack occurred?
View Question & Answer ➔
An organization wants to analyze their organization-wide S3 usage to identify 'Shadow IT' buckets and ensure that all buckets comply with their encryption and tagging policies. Which tool provides this centralized visibility?
View Question & Answer ➔
To protect against a ransomware attack that deletes all objects in an S3 bucket, which feature should you enable that ensures even the root user cannot delete objects until a specified retention period ends?
View Question & Answer ➔
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?
View Question & Answer ➔
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?
View Question & Answer ➔
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?
View Question & Answer ➔
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?
View Question & Answer ➔
Your application requires high CPU performance for compute-intensive workloads like video encoding. Which Amazon EC2 instance type is optimized for this?
View Question & Answer ➔
You are migrating a specialized legacy application to AWS that requires a static MAC address for its licensing server. Standard EC2 instances do not guarantee MAC persistence. Which AWS solution provides this capability?
View Question & Answer ➔
To reduce the cost of a high-throughput, fault-tolerant analytics workload that uses many EC2 instances, you decide to use Spot Instances. How can you ensure the application handles interruptions gracefully?
View Question & Answer ➔
You are building a real-time collaborative editing tool. You need a database that can handle sub-millisecond updates to document state with many concurrent writers. Which database should you choose?
View Question & Answer ➔
What is the primary benefit of 'ARM-based' AWS Graviton3 instances over Intel or AMD based instances for modern workloads like microservices?
View Question & Answer ➔
Your company is running a high-performance computing (HPC) workload that requires extremely low-latency network communication between EC2 instances. Which EC2 feature should you use to ensure instances are physically close to each other in the same availability zone?
View Question & Answer ➔
To improve the security and reduce the operational overhead of managing SSH keys for thousands of EC2 instances, which AWS service should you implement for server access?
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What is the primary benefit of 'AWS Compute Optimizer' for an AWS administrator?
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You are migrating a 500-instance VMware environment to AWS. You want to automate the discovery of the on-premises servers, their dependencies, and their resource utilization to plan your migration. Which service is designed for this?
View Question & Answer ➔
An organization wants to run their self-managed Kubernetes cluster on EC2 instances. They want to ensure that if a specific instance type becomes unavailable in a region, they can automatically shift their workloads to a different type. Which Auto Scaling feature helps with this?
View Question & Answer ➔
Your application requires persistent block storage that survives Amazon EC2 instance termination. Which service should you use?
View Question & Answer ➔
You need to create a backup of your Amazon EBS volume for disaster recovery. What feature should you use?
View Question & Answer ➔
You are migrating a legacy application that relies on the NFS protocol to share files between several on-premises servers. You want to move this application to AWS while maintaining the shared filesystem. Which service should you use?
View Question & Answer ➔
Your application requires a high-performance, low-latency filesystem that is compatible with Windows-based environments and supports Active Directory integration. Which service should you choose?
View Question & Answer ➔
An organization is migrating a 5 PB file archive from an on-premises NetApp storage system to AWS. They require a managed file service that fully supports the SMB protocol and integrates with their existing Active Directory. Which FSx variant should they use?
View Question & Answer ➔
Your organization is running a mission-critical database that requires sustained throughput of 4,000 MB/s and 100,000 IOPS. Which Amazon EBS volume type provides the best performance and highest reliability for this sub-millisecond latency requirement?
View Question & Answer ➔
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?
View Question & Answer ➔
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?
View Question & Answer ➔
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?
View Question & Answer ➔
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?
View Question & Answer ➔
You need to create a logically isolated section of your cloud environment where you can launch resources in a virtual network that you define. Which service provides this?
View Question & Answer ➔
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?
View Question & Answer ➔
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?
View Question & Answer ➔
Your organization is running a massive data processing job on EMR and wants to minimize costs by using Spot instances for the 'Task' nodes. However, they need to ensure that the job doesn't fail if too many Spot instances are reclaimed. What is the best strategy?
View Question & Answer ➔
Which AWS machine learning service allows you to automatically extract text, forms, and data from millions of scanned documents (like invoices or medical records) with high accuracy?
View Question & Answer ➔
An organization wants to run their massive Big Data workloads using Amazon EMR. They want to ensure that they are not over-paying for capacity during periods of low activity. Which EMR feature automatically adjusts the number of instances in the cluster based on workload volume?
View Question & Answer ➔
Which AWS machine learning service allows developers to build search applications for their internal corporate documents (PDFs, Wikis, Sharepoint) using natural language queries?
View Question & Answer ➔
You are building a real-time collaborative workspace. You need a way to push updates to millions of web and mobile clients instantly whenever a change occurs in your database. Which AWS service provides managed WebSocket support at global scale for this purpose?
View Question & Answer ➔
Which AWS machine learning service allows you to automatically optimize your manufacturing production line by detecting anomalies in data from vision-based sensors (cameras)?
View Question & Answer ➔
Which AWS machine learning service allows developers to add real-time speech-to-text capabilities to their applications, including support for custom vocabularies and speaker identification?
View Question & Answer ➔
You need stateful firewall rules at the Amazon EC2 instance level. What should you configure?
View Question & Answer ➔
A global conglomerate wants to consolidate its logs from several AWS accounts into a single security account for long-term auditing and threat detection. How can they achieve this most efficiently?
View Question & Answer ➔
A media company wants to analyze user behavior on their website in real-time. Millions of events per second are being sent from user browsers. Which service is most architectural for ingesting and processing these high-velocity streams?
View Question & Answer ➔
You want to monitor the client-side performance of your web application from the perspective of real users, including page load times and errors across different browsers and locations. Which CloudWatch feature should you enable?
View Question & Answer ➔
Your organization is running a fleet of microservices on Amazon EKS. You want a way to visualize the dependencies between your services and pinpoint which service is causing latency in a complex distributed request. Which tool should you use?
View Question & Answer ➔
Which AWS service provides a managed Apache Kafka-compatible environment for building real-time data ingestion and processing applications?
View Question & Answer ➔
You are building a high-scale data analytics platform. You need a way to ingest millions of events per second with high durability and the ability to replay data for up to 365 days. Which service should you choose?
View Question & Answer ➔
An enterprise wants to monitor the logs of their millions of IoT devices in real-time. They want a solution that can automatically detect anomalies (e.g., a sudden spike in 'Error' messages) and trigger a Lambda function to investigate. Which combination is most architectural?
View Question & Answer ➔
Which AWS service allows you to capture and analyze the HTTP(S) requests made to your Lambda functions and other services to debug performance bottlenecks and visualize the service graph?
View Question & Answer ➔
An enterprise wants a centralized way to monitor the health and performance of their applications across 100+ AWS accounts in different regions. They want a single dashboard that can display metrics and logs from all accounts. Which CloudWatch feature enables this?
View Question & Answer ➔
You need to explicitly deny traffic from a specific IP address to your Amazon EC2 instances. Can Security Groups natively handle explicit deny rules?
View Question & Answer ➔
You need stateless firewall rules at the subnet level in your Amazon VPC. What should you configure?
View Question & Answer ➔
An organization needs to ensure that all data deletion actions across their AWS environment are performed by authorized administrators and that every deletion is audited. Which AWS tool can provide near-real-time alerts specifically for 'Delete' API calls in CloudTrail?
View Question & Answer ➔
An organization following a microservices architecture on Amazon EKS wants to implement a 'Service Mesh' to handle service discovery, mutual TLS, and traffic management between their services. Which AWS-managed service should they use?
View Question & Answer ➔
Your organization wants to transition their monolithic application from On-premises to AWS. They want to first move the application 'as-is' to EC2 to get it out of the data center quickly, and then modernize it later. Which AWS migration service is best for this 'Lift and Shift' strategy?
View Question & Answer ➔
An organization wants to run their Docker-based microservices on AWS in a 'Serverless' way where they don't have to manage the underlying EC2 instances or patching. Which EKS or ECS compute option should they choose?
View Question & Answer ➔
To reduce the cost of a developer sandbox environment that is only used during business hours, which AWS service can you use to automatically start and stop your instances on a schedule?
View Question & Answer ➔
An organization is migrating their monolith to AWS and wants to use a managed tool that can analyze their Java application code and automatically generate a Dockerfile and EKS deployment manifests for them. Which tool should they use?
View Question & Answer ➔
You are building a real-time multiplayer game and need an in-memory data store that can handle millions of concurrent connections with sub-millisecond latency for game state. You also need to ensure that the data is replicated for high availability. Which service is best?
View Question & Answer ➔
An organization wants to move their legacy .NET applications to AWS. They want a solution that supports Windows containers and allows them to scale based on CPU usage. Which platform should they choose?
View Question & Answer ➔
You need to monitor CPU utilization of your Amazon EC2 instances and set up alarms for automated actions. Which service should you use?
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Your application running on Amazon EC2 needs a central location for log aggregation and real-time analysis. Which Amazon CloudWatch capability should you use?
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To improve the performance and cost-efficiency of a large fleet of web servers which spend most of their time processing PHP/Python requests, you decide to switch from X86 instances to ARM-based instances. Which instance family should you choose?
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Your organization wants to move their legacy .NET applications from on-premises to AWS. They want amanaged solution that supports Windows containers and allows them to scale based on CPU usage. Which platform should they choose?
View Question & Answer ➔
Scenario: A global social media company wants to ensure that user-uploaded photos are available immediately even if an entire AWS Region goes offline. Solution ?
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Scenario: You are migrating a legacy Java application to AWS. You want to modernize it into microservices but have limited time. Which platform allows you to quickly containerize and deploy with minimal infrastructure management?
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Scenario: You are migrating a mission-critical web application to AWS. You need to ensure that the application can handle a complete regional outage with an RTO of 15 minutes. Solution ?
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Scenario: You are designing a high-scale data analytics platform. You need a way to orchestrate multiple AWS Glue jobs and Lambda functions into a single workflow with error handling and retries. Solution ?
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Scenario: To reduce the cost of an idle development environment, you want to automatically shut down all EC2 instances at 6 PM and restart them at 8 AM. Solution ?
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You are building a serverless application that needs to coordinate several Lambda functions in a specific order, with conditional logic and error retries. Which service is best for this orchestration?
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You need to route traffic to Amazon EC2 instances based on URL paths (e.g., '/api' vs '/static'). Which load balancer type should you use?
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Scenario: To secure an Amazon EKS cluster for a PCI-DSS compliant workload, an architect wants to ensure that every administrative action (e.g., creating a pod) is logged and stored. Which tool is essential?
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You are designing a high-scale data ingestion system using AWS Lambda. You want to ensure that if a function fails, the message is not lost and can be retried later. Which pattern should you use?
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Scenario: You are deploying a mission-critical application and want to minimize the risk of a single human making a catastrophic change. Solution?
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Scenario: To lower the cost of a high-end AI training workload in AWS, you want to use instances that can be reclaimed by AWS with a 2-minute notice. What should you use?
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Scenario: To lower the cost of a data processing workload that runs for 4 hours every night, you want to use EC2 instances that provide a fixed discount in exchange for a 1-year commitment. You expect the instance types to change as the software evolves. Solution ?
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Scenario: You are designing a data lake and want to move objects from a standard S3 bucket to S3 Glacier Deep Archive after 180 days of no access to save costs. Solution ?
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Scenario: To minimize the blast radius of a potential insider threat, you want to ensure that no single IAM user can delete a critical production database without a multi-step approval process involving another team. Solution ?
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An enterprise is using a complex serverless architecture with hundreds of Lambda functions. They want a way to share common code and libraries (like business logic or security frameworks) across all these functions without duplicating the code in every deployment package. What is the AWS-recommended solution?
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Scenario: To lower the RTO of your disaster recovery plan, you want a 'Pilot Light' environment where your database is always running and in-sync, but your application servers (EC2) only launch when a disaster occurs. Solution ?
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Your high-traffic application requires ultra-low latency and needs to handle millions of requests per second at the network level. Which load balancer is best?
View Question & Answer ➔
An organization wants to run a serverless data processing pipeline that triggers a Lambda function every time a new row is added to a DynamoDB table. They want to ensure that the messages are processed in the exact order they were received and that no messages are lost if the Lambda function fails. Which feature should they use?
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Scenario: To minimize the latency for users in Europe accessing an application hosted in us-east-1, you decide to deploy a second set of resources in eu-central-1. What is the most architectural way to route users to the closest healthy region?
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An organization wants to run a serverless workflow that process images. Every time an image is uploaded to S3, they want to resize it, check for NSFW content using AI, and then store the metadata in DynamoDB. Which service should coordinate these independent steps?
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Scenario: You are designing a high-scale data analytics platform. You need to ingest millions of events from user devices and want to ensure that the data is automatically partitioned by 'event_type' as it is being stored in S3 for optimal querying in Athena. Which service is best?
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An organization wants to implement 'Infrastructure as Code' (IaC) to manage their complex AWS environments. They want to use a tool that is cloud-neutral and allows them to version control their infrastructure alongside their application code. Which tool is industry-standard for this?
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Scenario: You want to ensure that if a developer launches an EC2 instance without an encrypted EBS volume, the instance is automatically terminated and the developer is notified. Solution ?
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You are hosting a globally distributed application that requires a single static anycast IP address to route users to the closest healthy region. The application uses UDP for high-performance data transfer. Solution ?
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Scenario: You are designing a data lake and want to ensure that all data is automatically encrypted with AWS KMS keys, and you want an audit log that shows every time an analyst decrypts a specific file. Solution ?
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Which AWS service provides a way to 'Replay' archived events from your Amazon EventBridge bus to test how a new application would have behaved using real past data?
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To protect against an entire regional outage, an architect decides to maintain a 'Multi-Region Active-Active' architecture for their web application. Which service is essential for globally distributing and load-balancing traffic across regions?
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Scenario: To minimize the latency of a critical database for users globally, you want to use a NoSQL database that automatically replicates data across multiple regions with a 'Multi-Region Write' capability. Solution ?
View Question & Answer ➔

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aws Practice Questions

Which AWS service provides an automated way to discover, classify, and protect sensitive data (like PII) stored in Amazon S3 buckets across an entire organization?

What is the primary benefit of 'AWS Lake Formation' for an organization building a data lake?

A healthcare provider must ensure that no Personal Health Information (PHI) is accidentally uploaded to their public-facing S3 buckets. They want a solution that automatically scans every new object and alerts if sensitive data is found. Which AWS service provides this functionality?

An organization wants to move their complex ETL pipelines to AWS. They want a serverless service that can automatically handle data cataloging, schema discovery, and run Spark/Python jobs without managing servers. Which service should they choose?

A media company is seeing unexpected spikes in their AWS bill due to several large S3 buckets being accessed globally. They want to identify which specific IP addresses and user agents are making most of the S3 requests. What should they enable?

A media company is hosting their video library on Amazon S3. They want to provide a way for their mobile app users to securely download videos while ensuring that the links expire after 1 hour. What should they use?

Your organization wants to ensure that all their critical S3 buckets have 'Object Lock' enabled to prevent any data from being deleted for 7 years due to compliance. Which mode of Object Lock provides the strongest protection, where even the ROOT user cannot delete the objects?

A media company is using Amazon S3 to store high-value videos. They want to ensure that if a region fails, their customers can still stream the videos from a secondary region with an RTO of zero. Which feature should they enable?

You need to perform a one-time update to the 'Storage Class' of 500 million objects in an S3 bucket to transition them from Standard to Glacier Deep Archive. Which S3 feature is specifically designed to perform actions on a massive number of objects at scale?

Your organization has multiple cloud accounts. Users in Account A need temporary access to resources in Account B. What AWS IAM feature should you use?

An organization wants to analyze why their Amazon Athena queries are running slowly. They want to see exactly how much data was scanned for each query and identifying any 'full table scans' on large datasets. Where can they find this granular query performance data?

To protect against a large-scale Ransomware attack that modifies or deletes objects in your S3 buckets, which S3 feature should you use to ensure you can recover to a specific point in time before the attack occurred?

An organization wants to analyze their organization-wide S3 usage to identify 'Shadow IT' buckets and ensure that all buckets comply with their encryption and tagging policies. Which tool provides this centralized visibility?

To protect against a ransomware attack that deletes all objects in an S3 bucket, which feature should you enable that ensures even the root user cannot delete objects until a specified retention period ends?

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?

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?

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?

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?

Your application requires high CPU performance for compute-intensive workloads like video encoding. Which Amazon EC2 instance type is optimized for this?

You are migrating a specialized legacy application to AWS that requires a static MAC address for its licensing server. Standard EC2 instances do not guarantee MAC persistence. Which AWS solution provides this capability?

To reduce the cost of a high-throughput, fault-tolerant analytics workload that uses many EC2 instances, you decide to use Spot Instances. How can you ensure the application handles interruptions gracefully?

You are building a real-time collaborative editing tool. You need a database that can handle sub-millisecond updates to document state with many concurrent writers. Which database should you choose?

What is the primary benefit of 'ARM-based' AWS Graviton3 instances over Intel or AMD based instances for modern workloads like microservices?

Your company is running a high-performance computing (HPC) workload that requires extremely low-latency network communication between EC2 instances. Which EC2 feature should you use to ensure instances are physically close to each other in the same availability zone?

To improve the security and reduce the operational overhead of managing SSH keys for thousands of EC2 instances, which AWS service should you implement for server access?

What is the primary benefit of 'AWS Compute Optimizer' for an AWS administrator?

You are migrating a 500-instance VMware environment to AWS. You want to automate the discovery of the on-premises servers, their dependencies, and their resource utilization to plan your migration. Which service is designed for this?

An organization wants to run their self-managed Kubernetes cluster on EC2 instances. They want to ensure that if a specific instance type becomes unavailable in a region, they can automatically shift their workloads to a different type. Which Auto Scaling feature helps with this?

Your application requires persistent block storage that survives Amazon EC2 instance termination. Which service should you use?

You need to create a backup of your Amazon EBS volume for disaster recovery. What feature should you use?

You are migrating a legacy application that relies on the NFS protocol to share files between several on-premises servers. You want to move this application to AWS while maintaining the shared filesystem. Which service should you use?

Your application requires a high-performance, low-latency filesystem that is compatible with Windows-based environments and supports Active Directory integration. Which service should you choose?

An organization is migrating a 5 PB file archive from an on-premises NetApp storage system to AWS. They require a managed file service that fully supports the SMB protocol and integrates with their existing Active Directory. Which FSx variant should they use?

Your organization is running a mission-critical database that requires sustained throughput of 4,000 MB/s and 100,000 IOPS. Which Amazon EBS volume type provides the best performance and highest reliability for this sub-millisecond latency requirement?

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?

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?

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?

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?

You need to create a logically isolated section of your cloud environment where you can launch resources in a virtual network that you define. Which service provides this?

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?

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?

Your organization is running a massive data processing job on EMR and wants to minimize costs by using Spot instances for the 'Task' nodes. However, they need to ensure that the job doesn't fail if too many Spot instances are reclaimed. What is the best strategy?

Which AWS machine learning service allows you to automatically extract text, forms, and data from millions of scanned documents (like invoices or medical records) with high accuracy?

An organization wants to run their massive Big Data workloads using Amazon EMR. They want to ensure that they are not over-paying for capacity during periods of low activity. Which EMR feature automatically adjusts the number of instances in the cluster based on workload volume?

Which AWS machine learning service allows developers to build search applications for their internal corporate documents (PDFs, Wikis, Sharepoint) using natural language queries?

You are building a real-time collaborative workspace. You need a way to push updates to millions of web and mobile clients instantly whenever a change occurs in your database. Which AWS service provides managed WebSocket support at global scale for this purpose?

Which AWS machine learning service allows you to automatically optimize your manufacturing production line by detecting anomalies in data from vision-based sensors (cameras)?

Which AWS machine learning service allows developers to add real-time speech-to-text capabilities to their applications, including support for custom vocabularies and speaker identification?

You need stateful firewall rules at the Amazon EC2 instance level. What should you configure?

A global conglomerate wants to consolidate its logs from several AWS accounts into a single security account for long-term auditing and threat detection. How can they achieve this most efficiently?

A media company wants to analyze user behavior on their website in real-time. Millions of events per second are being sent from user browsers. Which service is most architectural for ingesting and processing these high-velocity streams?

You want to monitor the client-side performance of your web application from the perspective of real users, including page load times and errors across different browsers and locations. Which CloudWatch feature should you enable?

Your organization is running a fleet of microservices on Amazon EKS. You want a way to visualize the dependencies between your services and pinpoint which service is causing latency in a complex distributed request. Which tool should you use?

Which AWS service provides a managed Apache Kafka-compatible environment for building real-time data ingestion and processing applications?

You are building a high-scale data analytics platform. You need a way to ingest millions of events per second with high durability and the ability to replay data for up to 365 days. Which service should you choose?

An enterprise wants to monitor the logs of their millions of IoT devices in real-time. They want a solution that can automatically detect anomalies (e.g., a sudden spike in 'Error' messages) and trigger a Lambda function to investigate. Which combination is most architectural?

Which AWS service allows you to capture and analyze the HTTP(S) requests made to your Lambda functions and other services to debug performance bottlenecks and visualize the service graph?

An enterprise wants a centralized way to monitor the health and performance of their applications across 100+ AWS accounts in different regions. They want a single dashboard that can display metrics and logs from all accounts. Which CloudWatch feature enables this?

You need to explicitly deny traffic from a specific IP address to your Amazon EC2 instances. Can Security Groups natively handle explicit deny rules?

You need stateless firewall rules at the subnet level in your Amazon VPC. What should you configure?

An organization needs to ensure that all data deletion actions across their AWS environment are performed by authorized administrators and that every deletion is audited. Which AWS tool can provide near-real-time alerts specifically for 'Delete' API calls in CloudTrail?

An organization following a microservices architecture on Amazon EKS wants to implement a 'Service Mesh' to handle service discovery, mutual TLS, and traffic management between their services. Which AWS-managed service should they use?

Your organization wants to transition their monolithic application from On-premises to AWS. They want to first move the application 'as-is' to EC2 to get it out of the data center quickly, and then modernize it later. Which AWS migration service is best for this 'Lift and Shift' strategy?

An organization wants to run their Docker-based microservices on AWS in a 'Serverless' way where they don't have to manage the underlying EC2 instances or patching. Which EKS or ECS compute option should they choose?

To reduce the cost of a developer sandbox environment that is only used during business hours, which AWS service can you use to automatically start and stop your instances on a schedule?

An organization is migrating their monolith to AWS and wants to use a managed tool that can analyze their Java application code and automatically generate a Dockerfile and EKS deployment manifests for them. Which tool should they use?

You are building a real-time multiplayer game and need an in-memory data store that can handle millions of concurrent connections with sub-millisecond latency for game state. You also need to ensure that the data is replicated for high availability. Which service is best?

An organization wants to move their legacy .NET applications to AWS. They want a solution that supports Windows containers and allows them to scale based on CPU usage. Which platform should they choose?

You need to monitor CPU utilization of your Amazon EC2 instances and set up alarms for automated actions. Which service should you use?

Your application running on Amazon EC2 needs a central location for log aggregation and real-time analysis. Which Amazon CloudWatch capability should you use?

To improve the performance and cost-efficiency of a large fleet of web servers which spend most of their time processing PHP/Python requests, you decide to switch from X86 instances to ARM-based instances. Which instance family should you choose?

Your organization wants to move their legacy .NET applications from on-premises to AWS. They want amanaged solution that supports Windows containers and allows them to scale based on CPU usage. Which platform should they choose?

Scenario: A global social media company wants to ensure that user-uploaded photos are available immediately even if an entire AWS Region goes offline. Solution ?

Scenario: You are migrating a legacy Java application to AWS. You want to modernize it into microservices but have limited time. Which platform allows you to quickly containerize and deploy with minimal infrastructure management?

Scenario: You are migrating a mission-critical web application to AWS. You need to ensure that the application can handle a complete regional outage with an RTO of 15 minutes. Solution ?

Scenario: You are designing a high-scale data analytics platform. You need a way to orchestrate multiple AWS Glue jobs and Lambda functions into a single workflow with error handling and retries. Solution ?

Scenario: To reduce the cost of an idle development environment, you want to automatically shut down all EC2 instances at 6 PM and restart them at 8 AM. Solution ?

You are building a serverless application that needs to coordinate several Lambda functions in a specific order, with conditional logic and error retries. Which service is best for this orchestration?

You need to route traffic to Amazon EC2 instances based on URL paths (e.g., '/api' vs '/static'). Which load balancer type should you use?