AWS AWS Compute Services 1 — Questions and Answers
Question 1: Which EC2 purchasing option offers the greatest discount in exchange for a 1- or 3-year commitment to a specific instance type in a specific region?
- Reserved Instances (Correct answer)
- Spot Instances
- On-Demand Instances
- Dedicated Hosts
Correct answer: Reserved Instances
Reserved Instances provide up to 72% discount over On-Demand pricing in exchange for a 1- or 3-year usage commitment.
Question 2: What is the maximum execution timeout for an AWS Lambda function?
- 5 minutes
- 10 minutes
- 15 minutes (Correct answer)
- 30 minutes
Correct answer: 15 minutes
AWS Lambda functions can run for a maximum of 15 minutes (900 seconds) per invocation.
Question 3: Which EC2 feature runs your instance on single-tenant hardware dedicated solely to your account?
- Placement Groups
- Dedicated Instances (Correct answer)
- Reserved Instances
- Capacity Reservations
Correct answer: Dedicated Instances
Dedicated Instances run on hardware dedicated to a single customer, ensuring physical isolation from other AWS accounts.
Question 4: Which AWS service provides fully managed Kubernetes container orchestration?
- Amazon ECS
- Amazon EKS (Correct answer)
- AWS Fargate
- AWS Batch
Correct answer: Amazon EKS
Amazon EKS (Elastic Kubernetes Service) is the managed Kubernetes service that runs upstream Kubernetes without needing to install or operate a control plane.
Question 5: Which EC2 Auto Scaling policy type maintains a specified metric at a desired target value, such as keeping average CPU at 50%?
- Simple scaling
- Step scaling
- Target tracking scaling (Correct answer)
- Scheduled scaling
Correct answer: Target tracking scaling
Target tracking scaling automatically adjusts capacity to keep a chosen CloudWatch metric at a user-defined target value.
Question 6: What EC2 feature saves the in-memory state of a running instance so it can be stopped and later resumed exactly where it left off?
- Instance Store Snapshot
- Hibernate (Correct answer)
- Suspend
- AMI Capture
Correct answer: Hibernate
EC2 Hibernate saves the RAM contents to the EBS root volume so the instance can resume its previous state after stopping.
AWS AWS Compute Services 1
Which EC2 purchasing option offers the greatest discount in exchange for a 1- or 3-year commitment to a specific instance type in a specific region?