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SOA-C02 Practice Test


Page 3 out of 30 Pages

A company has an Amazon RDS DB instance. The company wants to implement a caching service while maintaining high availability.
Which combination of actions will meet these requirements? (Choose two.)


A.

Add Auto Discovery to the data store.


B.

Create an Amazon ElastiCache for Memcached data store.


C.

Create an Amazon ElastiCache for Redis data store.


D.

Enable Multi-AZ for the data store.


E.

Enable Multi-threading for the data store.





C.
  

Create an Amazon ElastiCache for Redis data store.



D.
  

Enable Multi-AZ for the data store.



Explanation: https://aws.amazon.com/elasticache/memcached/

A SysOps administrator is responsible for a legacy. CPU-heavy application The application can only be scaled vertically Currently, the application is deployed on a single t2 large Amazon EC2 instance The system is showing 90% CPU usage and significant performance latency after a few minutes What change should be made to alleviate the performance problem?



A.

Change the Amazon EBS volume to Provisioned lOPs


B.

Upgrade to a compute-optimized instance


C.

Add additional 12 large instances to the application


D.

Purchase Reserved Instances





B.
  

Upgrade to a compute-optimized instance



A SysOps Administrator runs a web application that is using a microservices approach
whereby different responsibilities of the application have been divided in a separate
microservice running on a different Amazon EC2 instance. The administrator has been
tasked with reconfiguring the infrastructure to support this approach.
How can the administrator accomplish this with the LEAST administrative overhead?


A.

Use Amazon CloudFront to log the URL and forward the request.


B.

Use Amazon CloudFront to rewrite the header based on the microservice and forward the request.


C.

Use an Application Load Balancer (ALB) and do path-based routing.


D.

Use a Network Load Balancer (NLB) and do path-based routing.





C.
  

Use an Application Load Balancer (ALB) and do path-based routing.



Explanation: https://aws.amazon.com/premiumsupport/knowledge-center/elb-achievepath-
based-routing-alb/

A development team recently deployed a new version of a web application to production.
After the release, penetration testing revealed a cross-site scripting vulnerability that could
expose user data.
Which AWS service will mitigate this issue?


A.

AWS Shield Standard


B.

AWS WAF


C.

Elastic Load Balancing


D.

Amazon Cognito





A.
  

AWS Shield Standard



A company uses AWS Cloud Formation templates to deploy cloud infrastructure. An analysis of all the company's templates shows that the company has declared the same components in multiple templates. A SysOps administrator needs to create dedicated templates that have their own parameters and conditions for these common components. Which solution will meet this requirement?


A.

Develop a CloudFormaiion change set.


B.

Develop CloudFormation macros.


C.

Develop CloudFormation nested stacks.


D.

Develop CloudFormation stack sets.





C.
  

Develop CloudFormation nested stacks.




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