Your Company Is Getting Ready to Do a Major Public

question 97

Multiple Choice

Your company is getting ready to do a major public announcement of a social media site on AWS. The website is running on EC2 instances deployed across multiple Availability Zones with a Multi-AZ RDS MySQL Extra Large DB Instance. The site performs a high number of small reads and writes per second and relies on an eventual consistency model. After comprehensive tests you discover that there is read contention on RDS MySQL. Which are the best approaches to meet these requirements? (Choose two.)

• A) Deploy ElastiCache in-memory cache running in each availability zone
• B) Implement sharding to distribute load to multiple RDS MySQL instances
• C) Increase the RDS MySQL Instance size and Implement provisioned IOPS
• D) Add an RDS MySQL read replica in each availability zone

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Definitions:

Frustration Theory

A psychological concept suggesting that frustration, or the blocking of goal achievement, leads to aggression or other antisocial behaviors.

Contingency Management

A type of behavioral therapy based on the principle of reinforcing desired behaviors with rewards while not reinforcing or punishing undesirable behaviors.

Drug Abstinence

Refers to the deliberate avoidance of drug use or the cessation of consuming substances after a period of regular intake.

Operant Chamber

A laboratory apparatus used to study animal behavior in a controlled environment, particularly for experiments in operant conditioning.