AWS Certified Solutions Architect Associate (SAA-C03) - Autoscaling Groups

The video tutorial explains the concept of auto scaling groups, which are collections of instances with similar characteristics that can be scaled based on specific criteria like CPU utilization and network throughput. It discusses the importance of replacing unhealthy instances and the time required to launch and configure servers. Key metrics such as CPU utilization, network throughput, and free memory are crucial for determining when to scale. The tutorial also covers the significance of spanning availability zones to ensure application resilience and the need to define minimum instance numbers for effective scaling. Finally, it highlights the importance of planning for capacity and redundancy to meet performance and redundancy needs.

What is the primary purpose of an Auto Scaling group?

• To group similar instances for scaling

• To replace hardware components

• To manage user access

• To monitor network security

Which of the following is NOT a criterion for scaling instances?

• Disk space

• Memory usage

• CPU utilization

• Network communications

Why is it important to determine the minimum number of instances in an Auto Scaling group?

• To ensure cost efficiency

• To maintain performance during scaling

• To reduce server launch time

• To increase network speed

What is a key consideration when deciding the availability zones for an Auto Scaling group?

• To minimize server costs

• To ensure application redundancy

• To reduce memory usage

• To increase CPU utilization

What should be clearly specified to avoid scaling below a certain level?

• Average number of instances

• Optimal number of instances

• Minimum number of instances

• Maximum number of instances