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aws Practice Questions

Page 3 of 12 (1149 total questions)

By default, what is the outbound traffic rule for a newly created Security Group?
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How many Amazon EC2 instances can you associate with a single Security Group?
View Question & Answer ➔
Can a Security Group rule reference another Security Group instead of an IP address range?
View Question & Answer ➔
When you modify a rule in a Security Group, how long does it take for the change to take effect?
View Question & Answer ➔
Which AWS tool can you use to automatically check if your Security Groups are allowing overly permissive access (e.g., 0.0.0.0/0 on port 22)?
View Question & Answer ➔
Can a single EC2 instance be associated with multiple Security Groups?
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 ➔
What is a Network Access Control List (Network ACL)?
View Question & Answer ➔
Are Network ACLs 'Stateful' or 'Stateless'?
View Question & Answer ➔
What is the primary difference between a Security Group and a Network ACL?
View Question & Answer ➔
What is the 'Rule Number' used for in a Network ACL?
View Question & Answer ➔
By default, what are the rules for the 'Default Network ACL' that comes with your VPC?
View Question & Answer ➔
Which feature of Network ACLs allows you to explicitly block a specific IP address (e.g., from a known malicious bot)?
View Question & Answer ➔
How many subnets can be associated with a single Network ACL?
View Question & Answer ➔
What happens if a subnet is not explicitly associated with a custom Network ACL?
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?
View Question & Answer ➔
Your application running on Amazon EC2 needs a central location for log aggregation and real-time analysis. Which Amazon CloudWatch capability should you use?
View Question & Answer ➔
What is Amazon CloudWatch?
View Question & Answer ➔
What is the difference between Amazon CloudWatch and AWS CloudTrail?
View Question & Answer ➔
In Amazon CloudWatch, what is a 'Metric'?
View Question & Answer ➔
Which CloudWatch feature allows you to automatically trigger an action (such as sending an email or scaling an EC2 fleet) when a metric passes a certain threshold?
View Question & Answer ➔
What is 'CloudWatch Logs' used for?
View Question & Answer ➔
Which CloudWatch feature provides a near real-time stream of system events that describe changes in AWS resources?
View Question & Answer ➔
What is 'CloudWatch Container Insights' used for?
View Question & Answer ➔
What is the standard resolution (frequency) for CloudWatch metrics from most AWS services by default?
View Question & Answer ➔
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?
View Question & Answer ➔
Which AWS service automatically distributes incoming application traffic across multiple targets, such as EC2 instances and containers, in multiple Availability Zones?
View Question & Answer ➔
Which type of Elastic Load Balancer functions at the Application Layer (Layer 7) and is ideal for HTTP/HTTPS traffic?
View Question & Answer ➔
In an ALB, what is a 'Listener'?
View Question & Answer ➔
What is 'Path-Based Routing' in an Application Load Balancer?
View Question & Answer ➔
What is a 'Target Group' in AWS Elastic Load Balancing?
View Question & Answer ➔
What is the purpose of a 'Health Check' in ELB?
View Question & Answer ➔
Which ALB feature allows you to ensure that a user is consistently routed to the same backend instance during a session?
View Question & Answer ➔
Can an Application Load Balancer handle multiple SSL/TLS certificates for different domains using a single listener?
View Question & Answer ➔
Does an Application Load Balancer have a static IP address?
View Question & Answer ➔
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 ➔
Which type of ELB is optimized for handling volatile traffic patterns and millions of requests per second with ultra-low latency?
View Question & Answer ➔
Which protocol(s) can a Network Load Balancer handle?
View Question & Answer ➔
Does a Network Load Balancer support assigning an Elastic IP address per Availability Zone?
View Question & Answer ➔
Is 'Cross-Zone Load Balancing' enabled by default for a Network Load Balancer?
View Question & Answer ➔
Can a Network Load Balancer preserve the source IP address of the client when sending traffic to targets?
View Question & Answer ➔
Which load balancer should you use for a high-performance gaming server that requires minimum latency for UDP traffic?
View Question & Answer ➔
How does an NLB handle health checks differently than an ALB?
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Can you use AWS PrivateLink to securely share your application (behind an NLB) with other VPCs or AWS customers?
View Question & Answer ➔
What is the maximum number of targets you can register with a single Network Load Balancer target group?
View Question & Answer ➔
You are building a photo-sharing application. You need a place to store millions of small JPEG files cheaply, and a way to automatically create a thumbnail when a new photo is uploaded. Which combination is best?
View Question & Answer ➔
An organization wants to move their on-premises Microsoft SQL Server database to AWS but wants to minimize the operational burden of patching and backups. What should they use?
View Question & Answer ➔
A global company needs to ensure that their web application's users in Tokyo and New York experience the lowest possible latency for static assets (CSS/JS). What should they implement?
View Question & Answer ➔
An enterprise requires their AWS environment to be accessible only from their corporate office's IP address. Which VPC component is used to enforce this rule at the network level?
View Question & Answer ➔
You need to run a high-performance computing (HPC) workload that requires high-speed, low-latency communication between EC2 instances. Which placement strategy should you choose?
View Question & Answer ➔
A healthcare startup needs to store patient records for 10 years to comply with regulations. The records are rarely accessed but must be available within a few hours if requested. What is the most cost-effective storage class?
View Question & Answer ➔
A university wants to provide virtual Linux desktops to its students so they can access educational software from their own laptops. Which AWS service is designed for this?
View Question & Answer ➔
To improve security, your team wants to rotate database passwords every 30 days automatically without manual intervention. Which service should you use?
View Question & Answer ➔
You are running a popular news website. During a major event, traffic spikes by 1,000%. How can you ensure the website remains available without paying for peak capacity 24/7?
View Question & Answer ➔
A developer wants to quickly deploy a simple Node.js web application and have AWS manage the underlying capacity, load balancing, and health monitoring. Which service provides this 'Platform as a Service' experience?
View Question & Answer ➔
Your company uses a mix of on-premises servers and AWS resources. You need a way to manage and patch all your servers from a single dashboard. Which service should you use?
View Question & Answer ➔
An e-commerce site wants to analyze customer behavior by processing clickstream data in real-time and feeding it into an ML model. Which service should be used for the real-time data ingestion?
View Question & Answer ➔
You want to receive a notification whenever your AWS monthly bill exceeds $1,000. Which tool should you use to set this up?
View Question & Answer ➔
A company is planning a massive data migration of 100 Petabytes from their data center to AWS. Their internet connection is slow and unreliable. What physical device should they order from AWS?
View Question & Answer ➔
You are designing a high-availability architecture for a web app. You want to ensure that if one AWS data center (collection of facilities) fails, your application remains online. What should you use?
View Question & Answer ➔
Which AWS whitepaper or framework provides best practices for designing and operating reliable, secure, efficient, and cost-effective systems in the cloud?
View Question & Answer ➔
Your High Performance Computing (HPC) workload requires low network latency between Amazon EC2 instances. What feature should you use?
View Question & Answer ➔
A developer needs a simple, easy-to-use virtual private server (VPS) with a fixed monthly price for a personal blog. Which AWS service is tailored for this?
View Question & Answer ➔
Your security team wants to be alerted if any user in the AWS account attempts to disable CloudTrail logging. Which service should they use for this monitoring?
View Question & Answer ➔
A company wants to build a recommendation engine for their users. They have no machine learning expertise. Which AWS AI service provides personalized recommendations out-of-the-box?
View Question & Answer ➔
You are designing a serverless microservices architecture for a new startup. The application needs to handle unpredictable traffic spikes without managing any underlying infrastructure. Which compute service should you use?
View Question & Answer ➔
You need to host a static website (HTML, CSS, JS) with the lowest possible cost and high durability. You do not need server-side processing. Which storage solution should you choose?
View Question & Answer ➔
You need to grant developers read-only access to Amazon S3 buckets without giving them access to other services. What's the best approach using AWS IAM?
View Question & Answer ➔
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?
View Question & Answer ➔
Your application generates millions of clickstream events per second. You need a service to ingest and buffer this data in real-time before processing it. Which service fits this need?
View Question & Answer ➔
You are analyzing petabytes of data for business intelligence reports. You need a fully managed, serverless enterprise data warehouse that supports SQL queries. Which service is best suited for this task?
View Question & Answer ➔
Your media company streams video content to users globally. Users in different regions are experiencing high latency. You need to improve performance by caching content closer to the users. Which service should you implement?
View Question & Answer ➔
Your public-facing web application is under a Distributed Denial of Service (DDoS) attack. You need a managed service to detect and mitigate these attacks automatically. What should you enable?
View Question & Answer ➔
Company policy requires that all database encryption keys be managed centrally and rotated annually. You need a secure, durable service to store and manage these cryptographic keys. Which service should you use?
View Question & Answer ➔
A law firm wants to digitize millions of scanned contracts. You need an AI service to extract text, forms, and tables from these PDF documents automatically. Which service is designed for this?
View Question & Answer ➔
You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?
View Question & Answer ➔
Your data science team needs a fully managed environment to build, train, and deploy custom machine learning models using TensorFlow. Which platform provides these end-to-end MLOps capabilities?
View Question & Answer ➔
You are designing a CI/CD pipeline. You need a service to compile source code, run tests, and produce software packages that are ready to deploy. Which service handles the build phase?
View Question & Answer ➔
Your team wants to automate the provisioning of infrastructure to ensure consistency across environments. You need to define your infrastructure as code (IaC) using declarative templates. Which service should you use?
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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?
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Your application requires high CPU performance for compute-intensive workloads like video encoding. Which Amazon EC2 instance type is optimized for this?
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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 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 ➔
You need stateful firewall rules at the Amazon EC2 instance level. What should you configure?
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 ➔
You need to monitor CPU utilization of your Amazon EC2 instances and set up alarms for automated actions. Which service should you use?
View Question & Answer ➔
Your application running on Amazon EC2 needs a central location for log aggregation and real-time analysis. Which Amazon CloudWatch capability should you use?
View Question & Answer ➔
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?
View Question & Answer ➔
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 ➔
Your High Performance Computing (HPC) workload requires low network latency between Amazon EC2 instances. What feature should you use?
View Question & Answer ➔
You are designing a serverless microservices architecture for a new startup. The application needs to handle unpredictable traffic spikes without managing any underlying infrastructure. Which compute service should you use?
View Question & Answer ➔
You need to host a static website (HTML, CSS, JS) with the lowest possible cost and high durability. You do not need server-side processing. Which storage solution should you choose?
View Question & Answer ➔
You need to grant developers read-only access to Amazon S3 buckets without giving them access to other services. What's the best approach using AWS IAM?
View Question & Answer ➔
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?
View Question & Answer ➔
Your application generates millions of clickstream events per second. You need a service to ingest and buffer this data in real-time before processing it. Which service fits this need?
View Question & Answer ➔
You are analyzing petabytes of data for business intelligence reports. You need a fully managed, serverless enterprise data warehouse that supports SQL queries. Which service is best suited for this task?
View Question & Answer ➔
Your media company streams video content to users globally. Users in different regions are experiencing high latency. You need to improve performance by caching content closer to the users. Which service should you implement?
View Question & Answer ➔

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aws Practice Questions

By default, what is the outbound traffic rule for a newly created Security Group?

How many Amazon EC2 instances can you associate with a single Security Group?

Can a Security Group rule reference another Security Group instead of an IP address range?

When you modify a rule in a Security Group, how long does it take for the change to take effect?

Which AWS tool can you use to automatically check if your Security Groups are allowing overly permissive access (e.g., 0.0.0.0/0 on port 22)?

Can a single EC2 instance be associated with multiple Security Groups?

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?

What is a Network Access Control List (Network ACL)?

Are Network ACLs 'Stateful' or 'Stateless'?

What is the primary difference between a Security Group and a Network ACL?

What is the 'Rule Number' used for in a Network ACL?

By default, what are the rules for the 'Default Network ACL' that comes with your VPC?

Which feature of Network ACLs allows you to explicitly block a specific IP address (e.g., from a known malicious bot)?

How many subnets can be associated with a single Network ACL?

What happens if a subnet is not explicitly associated with a custom Network ACL?

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?

What is Amazon CloudWatch?

What is the difference between Amazon CloudWatch and AWS CloudTrail?

In Amazon CloudWatch, what is a 'Metric'?

Which CloudWatch feature allows you to automatically trigger an action (such as sending an email or scaling an EC2 fleet) when a metric passes a certain threshold?

What is 'CloudWatch Logs' used for?

Which CloudWatch feature provides a near real-time stream of system events that describe changes in AWS resources?

What is 'CloudWatch Container Insights' used for?

What is the standard resolution (frequency) for CloudWatch metrics from most AWS services by default?

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?

Which AWS service automatically distributes incoming application traffic across multiple targets, such as EC2 instances and containers, in multiple Availability Zones?

Which type of Elastic Load Balancer functions at the Application Layer (Layer 7) and is ideal for HTTP/HTTPS traffic?

In an ALB, what is a 'Listener'?

What is 'Path-Based Routing' in an Application Load Balancer?

What is a 'Target Group' in AWS Elastic Load Balancing?

What is the purpose of a 'Health Check' in ELB?

Which ALB feature allows you to ensure that a user is consistently routed to the same backend instance during a session?

Can an Application Load Balancer handle multiple SSL/TLS certificates for different domains using a single listener?

Does an Application Load Balancer have a static IP address?

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?

Which type of ELB is optimized for handling volatile traffic patterns and millions of requests per second with ultra-low latency?

Which protocol(s) can a Network Load Balancer handle?

Does a Network Load Balancer support assigning an Elastic IP address per Availability Zone?

Is 'Cross-Zone Load Balancing' enabled by default for a Network Load Balancer?

Can a Network Load Balancer preserve the source IP address of the client when sending traffic to targets?

Which load balancer should you use for a high-performance gaming server that requires minimum latency for UDP traffic?

How does an NLB handle health checks differently than an ALB?

Can you use AWS PrivateLink to securely share your application (behind an NLB) with other VPCs or AWS customers?

What is the maximum number of targets you can register with a single Network Load Balancer target group?

You are building a photo-sharing application. You need a place to store millions of small JPEG files cheaply, and a way to automatically create a thumbnail when a new photo is uploaded. Which combination is best?

An organization wants to move their on-premises Microsoft SQL Server database to AWS but wants to minimize the operational burden of patching and backups. What should they use?

A global company needs to ensure that their web application's users in Tokyo and New York experience the lowest possible latency for static assets (CSS/JS). What should they implement?

An enterprise requires their AWS environment to be accessible only from their corporate office's IP address. Which VPC component is used to enforce this rule at the network level?

You need to run a high-performance computing (HPC) workload that requires high-speed, low-latency communication between EC2 instances. Which placement strategy should you choose?

A healthcare startup needs to store patient records for 10 years to comply with regulations. The records are rarely accessed but must be available within a few hours if requested. What is the most cost-effective storage class?

A university wants to provide virtual Linux desktops to its students so they can access educational software from their own laptops. Which AWS service is designed for this?

To improve security, your team wants to rotate database passwords every 30 days automatically without manual intervention. Which service should you use?

You are running a popular news website. During a major event, traffic spikes by 1,000%. How can you ensure the website remains available without paying for peak capacity 24/7?

A developer wants to quickly deploy a simple Node.js web application and have AWS manage the underlying capacity, load balancing, and health monitoring. Which service provides this 'Platform as a Service' experience?

Your company uses a mix of on-premises servers and AWS resources. You need a way to manage and patch all your servers from a single dashboard. Which service should you use?

An e-commerce site wants to analyze customer behavior by processing clickstream data in real-time and feeding it into an ML model. Which service should be used for the real-time data ingestion?

You want to receive a notification whenever your AWS monthly bill exceeds $1,000. Which tool should you use to set this up?

A company is planning a massive data migration of 100 Petabytes from their data center to AWS. Their internet connection is slow and unreliable. What physical device should they order from AWS?

You are designing a high-availability architecture for a web app. You want to ensure that if one AWS data center (collection of facilities) fails, your application remains online. What should you use?

Which AWS whitepaper or framework provides best practices for designing and operating reliable, secure, efficient, and cost-effective systems in the cloud?

Your High Performance Computing (HPC) workload requires low network latency between Amazon EC2 instances. What feature should you use?

A developer needs a simple, easy-to-use virtual private server (VPS) with a fixed monthly price for a personal blog. Which AWS service is tailored for this?

Your security team wants to be alerted if any user in the AWS account attempts to disable CloudTrail logging. Which service should they use for this monitoring?

A company wants to build a recommendation engine for their users. They have no machine learning expertise. Which AWS AI service provides personalized recommendations out-of-the-box?

You are designing a serverless microservices architecture for a new startup. The application needs to handle unpredictable traffic spikes without managing any underlying infrastructure. Which compute service should you use?

You need to host a static website (HTML, CSS, JS) with the lowest possible cost and high durability. You do not need server-side processing. Which storage solution should you choose?

You need to grant developers read-only access to Amazon S3 buckets without giving them access to other services. What's the best approach using AWS IAM?

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?

Your application generates millions of clickstream events per second. You need a service to ingest and buffer this data in real-time before processing it. Which service fits this need?

You are analyzing petabytes of data for business intelligence reports. You need a fully managed, serverless enterprise data warehouse that supports SQL queries. Which service is best suited for this task?

Your media company streams video content to users globally. Users in different regions are experiencing high latency. You need to improve performance by caching content closer to the users. Which service should you implement?

Your public-facing web application is under a Distributed Denial of Service (DDoS) attack. You need a managed service to detect and mitigate these attacks automatically. What should you enable?

Company policy requires that all database encryption keys be managed centrally and rotated annually. You need a secure, durable service to store and manage these cryptographic keys. Which service should you use?

A law firm wants to digitize millions of scanned contracts. You need an AI service to extract text, forms, and tables from these PDF documents automatically. Which service is designed for this?

You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?

Your data science team needs a fully managed environment to build, train, and deploy custom machine learning models using TensorFlow. Which platform provides these end-to-end MLOps capabilities?

You are designing a CI/CD pipeline. You need a service to compile source code, run tests, and produce software packages that are ready to deploy. Which service handles the build phase?