An Ecommerce Company Is Running a Multi-Tier Application on AWS

question 492

Multiple Choice

An ecommerce company is running a multi-tier application on AWS. The front-end and backend tiers both run on Amazon EC2, and the database runs on Amazon RDS for MySQL. The backend tier communicates with the RDS instance. There are frequent calls to return identical datasets from the database that are causing performance slowdowns. Which action should be taken to improve the performance of the backend?

• A) Implement Amazon SNS to store the database calls.
• B) Implement Amazon ElastiCache to cache the large datasets.
• C) Implement an RDS for MySQL read replica to cache database calls.
• D) Implement Amazon Kinesis Data Firehose to stream the calls to the database.

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Definitions:

Securities

Financial instruments representing ownership (stocks), a debt agreement (bonds), or the rights to ownership (derivatives) that can be bought and sold.

SEC

The U.S. Securities and Exchange Commission, a federal agency responsible for enforcing federal securities laws and regulating securities industry participants.

Operations

The day-to-day activities carried out by a business to generate earnings, involving production, sales, and service provision.

Funded

Funded refers to a financial state where a project, account, or obligation has sufficient reserved resources or capital to cover expenses or liabilities.