An Application Is Using a Single-Node Amazon ElastiCache for Redis

question 258

Multiple Choice

An application is using a single-node Amazon ElastiCache for Redis instance to improve read performance. Over time, demand for the application has increased exponentially, which has increased the load on the ElastiCache instance. It is critical that this cache layer handles the load and is resilient in case of node failures. What can the Developer do to address the load and resiliency requirements?

• A) Add a read replica instance.
• B) Migrate to a Memcached cluster.
• C) Migrate to an Amazon Elasticsearch Service cluster.
• D) Vertically scale the ElastiCache instance.

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Definitions:

Camp Followers

Historically, civilians who followed armies to provide services such as cooking, nursing, and laundering, often consisting of soldiers' family members.

American Forces

American Forces refers to the combined military branches of the United States, including the Army, Navy, Air Force, Marine Corps, and Coast Guard, engaged in defense and international missions.

Launderers

Individuals or entities involved in the process of laundering money, disguising illegally obtained funds as legitimate income.

Charleston

A historic city in South Carolina, known for its well-preserved architecture, rich history, and as a major site during the Civil War.