A Company's Website Is Using an Amazon RDS MySQL Multi-AZ

question 206

Multiple Choice

A company's website is using an Amazon RDS MySQL Multi-AZ DB instance for its transactional data storage. There are other internal systems that query this DB instance to fetch data for internal batch processing. The RDS DB instance slows down significantly when the internal systems fetch data. This impacts the website's read and write performance, and the users experience slow response times. Which solution will improve the website's performance?

• A) Use an RDS PostgreSQL DB instance instead of a MySQL database.
• B) Use Amazon ElastiCache to cache the query responses for the website.
• C) Add an additional Availability Zone to the current RDS MySQL Multi-AZ DB instance.
• D) Add a read replica to the RDS DB instance and configure the internal systems to query the read replica.

---

Definitions:

Relationship Development

The process through which interpersonal connections evolve, characterized by increasing intimacy and commitment.

Social Barriers

Obstacles within a society that prevent individuals from achieving their goals, often based on status, class, privilege, or norms.

Proximity Effect

The tendency for individuals to form relationships or have positive feelings towards those who are physically or psychologically close to them.

Best Friends

Individuals who share a very close and trusted friendship, often characterized by high levels of support, understanding, and mutual respect.