AWS AWS Compute Services 4

Question 1

Which EC2 purchasing option provides up to 90% discount compared to On-Demand pricing but can be interrupted by AWS with a 2-minute warning?

Accepted Answer

Spot Instances

Answer

Spot Instances use spare EC2 capacity at steep discounts but AWS can reclaim them with a 2-minute interruption notice.

Question 2

What is the maximum execution timeout for an AWS Lambda function?

Accepted Answer

15 minutes

Answer

AWS Lambda functions have a maximum execution timeout of 15 minutes (900 seconds).

Question 3

Which AWS service allows you to run containers without managing the underlying EC2 instances?

Accepted Answer

AWS Fargate

Answer

AWS Fargate is a serverless compute engine for containers that removes the need to provision or manage EC2 instances.

Question 4

An application needs to scale EC2 instances based on a schedule, adding capacity every Monday morning and reducing it Friday evening. Which Auto Scaling policy should be used?

Accepted Answer

Scheduled Scaling

Answer

Scheduled Scaling adjusts capacity at specific, predetermined times, making it ideal for predictable load patterns.

Question 5

Which EC2 instance family is optimized for workloads requiring high memory-to-vCPU ratios, such as in-memory databases like SAP HANA?

Accepted Answer

R-family (Memory Optimized)

Answer

R-family instances are Memory Optimized and provide high RAM-to-vCPU ratios for in-memory databases and real-time big data analytics.

AWS Practice Test

AWS Practice Test

AWS AWS Compute Services 4