Which of the following AWS services is suitable to be used as a fully managed data warehouse?

Answer options:

A.Amazon Athena
B.Amazon RedShift
C.Amazon CloudWatch
D.Amazon Warehouse

Correct Answer – B
Amazon Redshift is a fully managed, petabyte-scale data warehouse service.
https://docs.aws.amazon.com/redshift/latest/gsg/getting-started.html
Option A is INCORRECT because Amazon Athena is used to query data and analyze big data in S3.
Option C is INCORRECT because Amazon CloudWatch is used to monitor AWS resources, collect metrics, configure alarms, etc.
Option D is INCORRECT because there is no such AWS service.