AWS Cloud Essentials 2 — Questions and Answers
Question 1: Which AWS pricing model offers the largest discount for committing to a one- or three-year term?
- On-Demand Instances
- Reserved Instances (Correct answer)
- Spot Instances
- Dedicated Hosts
Correct answer: Reserved Instances
Reserved Instances provide significant discounts in exchange for a one- or three-year usage commitment.
Question 2: What does the AWS shared responsibility model say AWS is responsible for?
- Security of the cloud (infrastructure) (Correct answer)
- Security in the cloud (customer data)
- Patching customer operating systems
- Configuring customer IAM policies
Correct answer: Security of the cloud (infrastructure)
AWS is responsible for security of the cloud, meaning the underlying infrastructure that runs the services.
Question 3: Which service provides object storage with high durability for files and backups?
- Amazon EBS
- Amazon S3 (Correct answer)
- Amazon EFS
- Amazon RDS
Correct answer: Amazon S3
Amazon S3 is an object storage service designed for 99.999999999% durability.
Question 4: What is the primary benefit of the AWS pay-as-you-go pricing approach?
- Fixed monthly fees regardless of usage
- Paying only for resources you consume (Correct answer)
- Free unlimited compute
- Mandatory upfront hardware purchases
Correct answer: Paying only for resources you consume
Pay-as-you-go means you are billed only for the resources you actually use.
Question 5: Which AWS resource grouping represents an isolated geographic location containing multiple data centers?
- Edge Location
- Availability Zone
- Region (Correct answer)
- Subnet
Correct answer: Region
An AWS Region is a separate geographic area composed of multiple Availability Zones.
Question 6: What does Amazon CloudWatch primarily provide?
- Code deployment automation
- Monitoring and observability of resources (Correct answer)
- Virtual network isolation
- DNS routing
Correct answer: Monitoring and observability of resources
Amazon CloudWatch collects metrics, logs, and alarms for monitoring AWS resources and applications.
Question 7: Which service lets you run code without provisioning or managing servers?
- Amazon EC2
- AWS Lambda (Correct answer)
- Amazon Lightsail
- AWS Batch
Correct answer: AWS Lambda
AWS Lambda is a serverless compute service that runs code in response to events without server management.
AWS Cloud Essentials 2
Which AWS pricing model offers the largest discount for committing to a one- or three-year term?