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AWS Certified Associate SAA-C03 Updated Exam

Page: 17 / 87
Total 1168 questions

AWS Certified Solutions Architect - Associate (SAA-C03) Questions and Answers

Question 65

A solutions architect needs to help a company optimize the cost of running an application on AWS. The application will use Amazon EC2 instances, AWS Fargate, and AWS Lambda for compute within the architecture.

The EC2 instances will run the data ingestion layer of the application. EC2 usage will be sporadic and unpredictable. Workloads that run on EC2 instances can be interrupted at any time. The application front end will run on Fargate, and Lambda will serve the API layer. The front-end utilization and API layer utilization will be predictable over the course of the next year.

Which combination of purchasing options will provide the MOST cost-effective solution for hosting this application? (Choose two.)

Options:

A.

Use Spot Instances for the data ingestion layer

B.

Use On-Demand Instances for the data ingestion layer

C.

Purchase a 1-year Compute Savings Plan for the front end and API layer.

D.

Purchase 1-year All Upfront Reserved instances for the data ingestion layer.

E.

Purchase a 1-year EC2 instance Savings Plan for the front end and API layer.

Question 66

A company's application Is having performance issues The application staleful and needs to complete m-memory tasks on Amazon EC2 instances. The company used AWS CloudFormation to deploy infrastructure and used the M5 EC2 Instance family As traffic increased, the application performance degraded Users are reporting delays when the users attempt to access the application.

Which solution will resolve these issues in the MOST operationally efficient way?

Options:

A.

Replace the EC2 Instances with T3 EC2 instances that run in an Auto Scaling group. Made the changes by using the AWS Management Console.

B.

Modify the CloudFormation templates to run the EC2 instances in an Auto Scaling group. Increase the desired capacity and the maximum capacity of the Auto Scaling group manually when an increase is necessary

C.

Modify the CloudFormation templates. Replace the EC2 instances with R5 EC2 instances. Use Amazon CloudWatch built-in EC2 memory metrics to track the application performance for future capacity planning.

D.

Modify the CloudFormation templates. Replace the EC2 instances with R5 EC2 instances. Deploy the Amazon CloudWatch agent on the EC2 instances to generate custom application latency metrics for future capacity planning.

Question 67

A company runs a stateless web application in production on a group of Amazon EC2 On-Demand Instances behind an Application Load Balancer. The application experiences heavy usage during an 8-hour period each business day. Application usage is moderate and steady overnight Application usage is low during weekends.

The company wants to minimize its EC2 costs without affecting the availability of the application.

Which solution will meet these requirements?

Options:

A.

Use Spot Instances for the entire workload.

B.

Use Reserved instances for the baseline level of usage Use Spot Instances for any additional capacity that the application needs.

C.

Use On-Demand Instances for the baseline level of usage. Use Spot Instances for any additional capacity that the application needs

D.

Use Dedicated Instances for the baseline level of usage. Use On-Demand Instances for any additional capacity that the application needs

Question 68

A company is running an online transaction processing (OLTP) workload on AWS. This workload uses an unencrypted Amazon RDS DB instance in a Multi-AZ deployment. Daily database snapshots are taken from this instance.

What should a solutions architect do to ensure the database and snapshots are always encrypted moving forward?

Options:

A.

Encrypt a copy of the latest DB snapshot. Replace existing DB instance by restoring the encrypted snapshot

B.

Create a new encrypted Amazon Elastic Block Store (Amazon EBS) volume and copy the snapshots to it Enable encryption on the DB instance

C.

Copy the snapshots and enable encryption using AWS Key Management Service (AWS KMS) Restore encrypted snapshot to an existing DB instance

D.

Copy the snapshots to an Amazon S3 bucket that is encrypted using server-side encryption with AWS Key Management Service (AWS KMS) managed keys (SSE-KMS)

Page: 17 / 87
Total 1168 questions