Which of the following cannot be used to manage Amazon …

Which of the following cannot be used to manage Amazon ElastiCache and perform
administrative tasks?

A.
AWS software development kits (SDKs)

B.
Amazon S3

C.
ElastiCache command line interface (CLI)

D.
AWS CloudWatch

Explanation:
CloudWatch is a monitoring tool and doesn’t give users access to manage Amazon ElastiCache.
http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/WhatIs.Managing.html