A Company Is Running a Popular Social Media Site on EC2

question 684

Multiple Choice

A company is running a popular social media site on EC2 instances. The application stores data in an Amazon RDS for MySQL DB instance and has implemented read caching by using an ElastiCache for Redis (cluster mode enabled) cluster to improve read times. A social event is happening over the weekend, and the SysOps Administrator expects website traffic to triple. What can a SysOps Administrator do to ensure improved read times for users during the social event?

• A) Use Amazon RDS Multi-AZ.
• B) Add shards to the existing Redis cluster.
• C) Offload static data to Amazon S3.
• D) Launch a second Multi-AZ Redis cluster.

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Definitions:

Cash Dividends

Payments made by a company to its shareholders out of its profits or reserves.

Originally Issued

Refers to securities that have been sold for the first time to investors directly by the issuing company.

Paid-In Capital in Excess of Par

The amount of capital contributed by shareholders over and above the par value of the shares issued.

Common Stock

A form of corporate equity ownership, a type of security representing an ownership share in a corporation, giving holders voting rights and a share in the company's profits via dividends.