Your Company Is Getting Ready to Do a Major Public

question 654

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 2 answers)

• 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:

Expansionary Monetary Policy

A form of monetary policy where the central bank increases the money supply and decreases interest rates to stimulate economic growth.

Net Exports

The value of a country's total exports minus its total imports, representing the net effect of international trade on an economy’s spending balance.

Demarcation

The act of setting boundaries or distinguishing differences between things, often used to establish sectors within fields or professions.

Commercial Banks

Financial institutions that accept deposits, offer checking account services, and provide business, personal, and mortgage loans.