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Explore AWS Certificates

Unlock your cloud potential with AWS certifications. Click on a certificate to explore detailed exam resources and preparation tools designed for your success.

AWS Certified Cloud Practitioner

The AWS Certified Cloud Practitioner (CLF-C02) certification provides a foundational understanding of AWS Cloud concepts, services, and billing models. It is designed for individuals new to cloud computing, offering essential knowledge for various AWS roles and cloud-based projects.

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AWS Certified Solutions Architect - Associate

The AWS Certified Solutions Architect – Associate (SAA-C03) certification validates your ability to design secure, cost-effective, and scalable solutions using AWS services. It covers architectural best practices, cloud deployment, and AWS core services, making it ideal for individuals pursuing cloud architecture roles.

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AWS Certified Solutions Architect - Professional

The AWS Certified Solutions Architect – Professional (SAP-C02) certification demonstrates advanced expertise in designing complex, scalable, and secure solutions on AWS. It covers in-depth architectural strategies, cost optimization, and best practices for large-scale cloud deployments, ideal for experienced cloud architects.

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AWS Certified Developer – Associate

The AWS Certified Developer – Associate (DVA-C02) certification validates expertise in developing, testing, and deploying AWS-based applications. It is designed for developers with hands-on experience in AWS, focusing on essential services, application lifecycle management, and best practices for building secure, scalable, and cloud-native applications. This certification is ideal for individuals seeking to deepen their understanding of AWS development tools and services to support innovative cloud solutions.

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AWS Certified Cloud Practitioner

Sample Questions

Question #707 / 719

A company is using Amazon CloudFront to deliver static content but experiences high latency for dynamic content served through Application Load Balancers. They want to reduce latency without modifying their existing infrastructure. Which AWS service should they use?

A

AWS Global Accelerator

B

Amazon ElastiCache

C

Amazon Route 53

D

AWS Direct Connect

Question #105 / 719

Which tasks are the customer’s responsibility under the AWS shared responsibility model? (Choose two.)

A

Manage physical security of data centers.

B

Encrypt data stored in Amazon S3.

C

Install updates on EC2 instances.

D

Maintain hypervisor security.

E

Ensure availability of AWS regions.

AWS Certified Solutions Architect - Associate

Sample Questions

Question #982 / 1019

A company has an Amazon DynamoDB table that contains sensitive data. The company has an application that runs on virtual machines in an on-premises data center. The company currently uses AWS IAM Identity Center.

The application requires temporary access to the DynamoDB table. The company wants to grant the application secure access to the data in the DynamoDB table.

Which solution will meet these requirements?

A

Create a DynamoDB resource policy that permits access to the table from the public IP address range of the company\u2019s on-premises data center.

B

Use IAM Roles Anywhere to obtain security credentials in IAM Identity Center that grant access to the DynamoDB table. Configure the virtual machines to assume the role by using the AWS CLI.

C

Install the AWS CLI on the virtual machine. Configure the AWS CLI with access keys from an IAM user that has access to the DynamoDB table.

D

Create an IAM user and policy that grants access to the DynamoDB table. Store the access key and secret key for the IAM user in AWS Secrets Manager. Configure the application to retrieve the access key and secret key at startup.

Question #228 / 1019

A company's application receives real-time telemetry data from a network of sensors, which is stored in an Amazon RDS PostgreSQL database. The data ingestion rate varies, causing the database to struggle with write operations during peak periods, leading to application errors. A solutions architect needs to reduce the number of database connections and ensure no data loss during traffic spikes.

Which solution meets these requirements?

A

Upgrade the RDS instance to a larger instance class with higher memory and CPU.

B

Convert the RDS database to a Multi-AZ deployment and configure the application to write to both primary and standby instances.

C

Modify the application to send data to an Amazon SQS queue. Use an AWS Lambda function triggered by the queue to write data to the database.

D

Modify the application to publish data to an Amazon SNS topic. Use an AWS Lambda function subscribed to the topic to write data to the database.

AWS Certified Solutions Architect - Professional

Sample Questions

Question #48 / 529

A solutions architect has developed a web application that uses an Amazon API Gateway Regional endpoint and an AWS Lambda function. The consumers of the web application are all located near the AWS Region where the application is deployed. The Lambda function exclusively reads from an Amazon Aurora PostgreSQL database configured with three read replicas. During performance testing, the application experiences degraded performance due to a surge in database connections under high load. The solutions architect must optimize the application's efficiency.

Which two actions should the solutions architect take to address this issue? (Choose two.)

A

Use the writer endpoint of the Aurora database.

B

Use RDS Proxy to manage a connection pool for the reader endpoint.

C

Change the API Gateway endpoint to an edge-optimized endpoint.

D

Move the database connection initialization code outside the Lambda event handler.

E

Enable Lambda Provisioned Concurrency.

Question #342 / 529

A company hosts a web application on AWS using two Amazon EC2 instances behind an Application Load Balancer (ALB). The application relies on a MySQL database running on a separate EC2 instance, which experiences a read-heavy workload. Static content is stored on instance store volumes attached to each EC2 instance and is updated frequently, requiring manual synchronization across instances. During peak traffic hours, the database becomes a bottleneck, leading to application timeouts. Which solution will enhance the application's reliability?

A

Migrate the application to AWS Lambda functions configured as ALB targets. Use a single Amazon EBS volume for static content accessed by the Lambda functions. Migrate the database to an Amazon RDS for MySQL Multi-AZ DB cluster.

B

Containerize the application and deploy it using Amazon ECS with AWS Fargate. Use a single EBS volume mounted on the ECS cluster for static content. Enable AWS Application Auto Scaling for the ECS service. Migrate the database to Amazon RDS for MySQL Multi-AZ.

C

Re-architect the application using AWS Step Functions as ALB targets. Create an Amazon EFS file system for static content accessed by the Step Functions. Migrate the database to Amazon Aurora MySQL Serverless v2 with a reader instance.

D

Containerize the application and deploy it using Amazon ECS with AWS Fargate. Mount an Amazon EFS file system to containers for shared static content. Configure AWS Application Auto Scaling for the ECS service. Migrate the database to Amazon Aurora MySQL Serverless v2 with a reader instance.

AWS Certified Developer – Associate

Sample Questions

Question #179 / 557

A developer is working on a Java application that runs on Amazon EC2 instances. The developer needs to trace distributed requests to identify latency issues in the application.

Which combination of actions should the developer take to achieve this goal? (Choose two.)

A

Install the Amazon CloudWatch agent on the EC2 instances.

B

Install the AWS X-Ray daemon on the EC2 instances.

C

Configure the application to write JSON-formatted logs to /var/log/CloudWatch.

D

Configure the application to write trace data to /var/log/X-Ray.

E

Install and configure the AWS X-Ray SDK for Java in the application.

Question #337 / 557

A developer's application uses AWS Lambda to process messages asynchronously. The developer needs to ensure that any messages which fail processing after all retry attempts are stored securely, allowing the application to reprocess them later with minimal operational effort.

Which solution achieves this goal most effectively?

A

Configure Amazon CloudWatch alarms to detect failures and trigger a Lambda function to archive messages in an Amazon S3 bucket. Use S3 events to reprocess the messages.

B

Set up an Amazon EventBridge rule to route failed invocations to an Amazon Kinesis Data Stream. Use a Lambda function to consume and reprocess the messages from the stream.

C

Enable a dead-letter queue on the Lambda function to capture failed messages. Configure the application to poll the queue and resubmit messages for processing.

D

Use Amazon Simple Notification Service (Amazon SNS) to publish all messages. Subscribe the Lambda function and an Amazon SQS queue to the topic. Configure the application to monitor the queue for failures.