An Ecommerce Company Uses an Amazon ElastiCache for Memcached Cluster

question 783

Multiple Choice

An ecommerce company uses an Amazon ElastiCache for Memcached cluster for in-memory caching of popular product queries on the shopping site. When viewing recent Amazon CloudWatch metrics data for the ElastiCache cluster, the sysops administrator notices a large number of evictions. Which of the following actions will reduce these evictions? (Choose two.)

• A) Add an additional node to the ElastiCache cluster
• B) Increase the ElastiCache time to live (TTL)
• C) Increase the individual node size inside the ElastiCache cluster
• D) Put an Elastic Load Balancer in front of the ElastiCache cluster
• E) Use Amazon Simple Queue Service (Amazon SQS) to decouple the ElastiCache cluster

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Definitions:

Square Root

A value that, when multiplied by itself, gives the original number, denoted as √.

Cube Root

The cube root of a number is a value that, when multiplied by itself three times, gives the original number.

Rationalize Denominator

The process of eliminating a radical from the denominator of a fraction by multiplying both the numerator and the denominator by an appropriate quantity.

Rationalize Denominator

The process of eliminating a root from the denominator of a fraction.