Amazon SAA-C01 Online Practice Questions and Exam Preparation

Amazon SAA-C01 Online Questions & Answers

• Question 1:

  An organization hosts 10 microservices, each in an Auto Scaling group behind individual Classic Load Balancers. Each EC2 instance is running at optimal load. Which of the following actions would allow the organization to reduce costs without impacting performance?

  A. Reduce the number of EC2 instances behind each Classic Load Balancer.
  B. Change instance types in the Auto Scaling group launch configuration.
  C. Change the maximum size but leave the desired capacity of the Auto Scaling groups.
  D. Replace the Classic Load Balancers with a single Application Load Balancer.
  B. Change instance types in the Auto Scaling group launch configuration.

• Question 2:

  A Solutions Architect is developing a new web application on AWS. The services must scale to support an increasing load. The Architect wants to focus on software development and deploying new features rather than provisioning or managing servers.

  Which AWS service is appropriate?

  A. Auto Scaling
  B. Elastic Beanstalk
  C. EC2 Container Service
  D. CloudFormation
  B. Elastic Beanstalk

• Question 3:

  A company plans to use AWS for all new batch processing workloads. The company's developers use Docker containers for the new batch processing. The system design must accommodate critical and non-critical batch processing workloads 24/7.

  How should a Solutions Architect design this architecture in a cost-efficient manner?

  A. Purchase Reserved Instances to run all containers. Use Auto Scaling groups to schedule jobs.
  B. Host a container management service on Spot Instances. Use Reserved Instances to run Docker containers.
  C. Use Amazon ECS orchestration and Auto Scaling groups: one with Reserve Instances, one with Spot Instances.
  D. Use Amazon ECS to manage container orchestration. Purchase Reserved Instances to run all batch workloads at the same time.
  C. Use Amazon ECS orchestration and Auto Scaling groups: one with Reserve Instances, one with Spot Instances.

• Question 4:

  An application publishes Amazon SNS messages in response to several events. An AWS Lambda function subscribes to these messages. Occasionally the function will fail while processing a message, so the original event message must be preserved for root cause analysis.

  What architecture will meet these requirements without changing the workflow?

  A. Subscribe an Amazon SQS queue to the Amazon SNS topic and trigger the Lambda function from the queue.
  B. Configure Lambda to write failures to an SQS Dead Letter Queue.
  C. Configure a Dead Letter Queue for the Amazon SNS topic.
  D. Configure the Amazon SNS topic to invoke the Lambda function synchronously.
  B. Configure Lambda to write failures to an SQS Dead Letter Queue.

• Question 5:

  A company has a web application running in a Docker container that connects to a MySQL server in an on-premises data center. The deployment and maintenance of this application are becoming time-consuming and slowing down new feature releases. The company wants to migrate the application to AWS and use services that helps facilitate infrastructure management and deployment.

  Which architectures should the company consider on AWS? (Choose two.)

  A. Amazon ECS for the web application, and an Amazon RDS for MySQL for the database.
  B. AWS Elastic Beanstalk Docker Multi-container either for the web application or database.
  C. AWS Elastic Beanstalk Docker Single Container for the web application, and an Amazon RDS for MySQL for the database.
  D. AWS CloudFormation with Lambda Custom Resources without VPC for the web application, and an Amazon RDS for MySQL database.
  E. AWS CloudFormation with Lambda Custom Resources running in a VPC for the web application, and an Amazon RDS for MySQL database.
  C. AWS Elastic Beanstalk Docker Single Container for the web application, and an Amazon RDS for MySQL for the database.
  E. AWS CloudFormation with Lambda Custom Resources running in a VPC for the web application, and an Amazon RDS for MySQL database.

• Question 6:

  A company's new web application running on Amazon EC2 across multiple Availability Zones (AZs) will be heavily accessed during regular business hours. After business hours, usage will be minimal. What fleet-scaling approach should be used to size the EC2 fleet to handle the traffic demands?

  A. Manual scaling across all AZs
  B. Provisioning for peak traffic
  C. Scheduled scaling
  D. Programmatic termination of all instances in one AZ during off-peak hours
  C. Scheduled scaling

• Question 7:

  A company plans to use an Amazon VPC to deploy a web application consisting of an elastic load balancer, a fleet of web and application servers, and an Amazon RDS MySQL database that should not be accessible from the Internet. The proposed design must be highly available and distributed over two Availability Zones.

  What would be the MOST appropriate VPC design for this specific use case?

  A. Two public subnets for the elastic load balancer, two public subnets for the web servers, and two public subnets for Amazon RDS.
  B. One public subnet for the elastic load balancer, two private subnets for the web servers, and two private subnets for Amazon RDS.
  C. One public subnet for the elastic load balancer, one public subnet for the web servers, and one private subnet for the database.
  D. Two public subnets for the elastic load balancer, two private subnets for the web servers, and two private subnets for RDS.
  B. One public subnet for the elastic load balancer, two private subnets for the web servers, and two private subnets for Amazon RDS.

• Question 8:

  A company is migrating an on-premises application to AWS. The application currently uses their corporate message broker, passing messages between layers by using the MQTT protocol. Because of time and budget constraints, the

  company cannot rewrite the application and cannot manage a new message broker on the EC2 instances.

  Which service should a Solutions Architect use to allow the customer to migrate the application to AWS?

  A. Amazon SNS
  B. Amazon SQS
  C. Amazon MQ
  D. Amazon SWF
  C. Amazon MQ

• Question 9:

  A media company has deployed a multi-tier architecture on AWS. Web servers are deployed in two Availability Zones using an Auto Scaling group with a default Auto Scaling termination policy. The web servers' Auto Scaling group currently has 15 instances running.

  Which instance will be terminated first during a scale-in operation?

  A. The instance with the oldest launch configuration.
  B. The instance in the Availability Zone that has most instances.
  C. The instance closest to the next billing hour.
  D. The oldest instance in the group.
  A. The instance with the oldest launch configuration.

• Question 10:

  Which requirements must be met in order for a Solutions Architect to specify that an Amazon EC2 instance should stop rather than terminate when its Spot Instance is interrupted? (Choose two.)

  A. The Spot Instance request type must be one-time.
  B. The Spot Instance request type must be persistent.
  C. The root volume must be an Amazon EBS volume.
  D. The root volume must be an instance store volume.
  E. The launch configuration is changed.
  B. The Spot Instance request type must be persistent.
  C. The root volume must be an Amazon EBS volume.