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AWS Certified SysOps Administrator - Associate Questions and Answers

Question 1

A SysOps Administrator created an AWS CloudFormation template for the first time. The stack failed with a status of ROLLBACK_COMPLETE. The Administrator identified and resolved the template issue causing the failure.

How should the Administrator continue with the stack deployment?

Options:

A.

Delete the failed stack and create a new stack.

B.

Execute a change set on the failed stack.

C.

Perform an update-stack action on the failed stack.

D.

Run a validate-template command.

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Question 2

A SysOps Administrator noticed that the cache hit ratio for an Amazon CloudFront distribution is less than 10%. Which collection of configuration changes will increase the cache hit ratio for the distribution? (Select two.)

Options:

A.

Ensure that only required cookies, query strings, and headers are forwarded in the Cache Behavior Settings

B.

Change the Viewer Protocol Policy to use HTTPS only

C.

Configure the distribution to use presigned cookies and URLs to restrict access to the distribution

D.

Enable automatic compression of objects in the Cache Behavior Settings

E.

Increase the CloudFront time to live (TTL) settings in the Cache Behavior Settings.

Question 3

A company wants to icrease the availability and vulnerability of a critical business application. The appliation currently ueses a MySQL database running on an Amazon EC2 instance. The company wants to minimize application changes.

How should the company these requirements?

Options:

A.

Shut down the EC2 instance. Enable multi-AZ replication within the EC2 instance, then restart the instance.

B.

Launch a secondary EC2 instance running MySQL Configure a cron job that backs up the database on the primary EC2 instance and copies it to the secondary instance every 30 minutes.

C.

Migrate the database to an RDS Aurora DB instance and create a Read Replication in another Availability Zone.

D.

Create an Amazon RDS Microsoft SQL DB instance and enable multi-Az replication. Back up the existing data and import in to the new database.