Q246. A media storage application uploads user photos to Amazon S3
for processing. End users are reporting tha

Question

Q246. A media storage application uploads user photos to Amazon S3
for processing. End users are reporting that some uploaded photos are
not being processed properly. The Application Developers trace the logs
and find that AWS Lambda is experiencing execution issues when thousands
of users are on the system simultaneously. Issues are caused by:
* Limits around concurrent executions.
* The performance of Amazon DynamoDB when saving data. Which actions
can be taken to increase the performance and reliability of the
application? (Choose two.)

Accepted Answer

B. Evaluate and adjust the write capacity units (WCUs) for the DynamoDB
tables.

Accepted Answer

D. Configure a dead letter queue that will reprocess failed or timed-out
Lambda functions.

Answer

A. Evaluate and adjust the read capacity units (RCUs) for the DynamoDB
tables.

Answer

C. Add an Amazon ElastiCache layer to increase the performance of Lambda
functions

Answer

E. Use S3 Transfer Acceleration to provide lower-latency access to end
users.

Q21 — AWS SAP-C02 Ch.3

Correct Answer: B. Evaluate and adjust the write capacity units (WCUs) for the DynamoDB tables., D. Configure a dead letter queue that will reprocess failed or timed-out Lambda functions.

Explanation