AWS Certified Solutions Architect Associate (SAA-C03) - Scalability Solutions

The video tutorial discusses scalability in AWS, focusing on increasing capacity for storage, processing, and network operations. It explains how to scale instances, particularly in AWS EC2 and RDS, and the limitations of auto scaling in RDS. The tutorial also covers scripting for automated scaling and the use of read replicas to offload read-only traffic, enhancing database performance. Key methods for scaling AWS databases are highlighted, including instance scaling and read replicas.

What is the primary focus of scalability in the context of AWS?

• Increasing availability

• Enhancing security

• Improving user interface

• Boosting capacity

Which AWS service does not support auto-scaling?

• EC2

• RDS

• Lambda

• S3

How can you automate scaling in AWS RDS?

• With AWS CloudFormation

• Through CLI scripting

• Using AWS Management Console

• By enabling auto-scaling

What is a read replica in AWS?

• A write-only database

• A temporary database

• A read-only copy of the database

• A backup of the database

Why would you use read replicas in different regions?

• To reduce storage costs

• To improve read performance for users in different locations

• To enhance database security

• To simplify database management