AWS Cloud Architecture & Infrastructure 2 — Questions and Answers
Question 1: Which AWS service provides a logically isolated section of the AWS Cloud where you can launch resources in a virtual network you define?
- Amazon VPC (Correct answer)
- AWS Direct Connect
- Amazon Route 53
- AWS Transit Gateway
Correct answer: Amazon VPC
Amazon VPC lets you provision a logically isolated virtual network with full control over IP ranges, subnets, and routing.
Question 2: An architect needs to connect thousands of VPCs and on-premises networks through a single hub. Which service is designed for this?
- VPC Peering
- AWS Transit Gateway (Correct answer)
- Internet Gateway
- NAT Gateway
Correct answer: AWS Transit Gateway
AWS Transit Gateway acts as a central hub connecting VPCs and on-premises networks at scale.
Question 3: Which storage class is most cost-effective for data accessed once or twice per year with retrieval times of hours acceptable?
- S3 Standard
- S3 Standard-IA
- S3 Glacier Deep Archive (Correct answer)
- S3 Intelligent-Tiering
Correct answer: S3 Glacier Deep Archive
S3 Glacier Deep Archive offers the lowest cost for long-term archival with retrieval in hours.
Question 4: What is the primary purpose of an AWS Availability Zone?
- A global edge location for caching
- An isolated data center grouping within a Region for fault tolerance (Correct answer)
- A billing boundary for accounts
- A DNS routing policy
Correct answer: An isolated data center grouping within a Region for fault tolerance
Availability Zones are isolated locations within a Region that let you build highly available, fault-tolerant applications.
Question 5: Which service allows you to run containerized applications without managing the underlying EC2 servers?
- Amazon ECS on EC2
- AWS Fargate (Correct answer)
- Amazon EC2 Auto Scaling
- AWS Batch
Correct answer: AWS Fargate
AWS Fargate is a serverless compute engine that runs containers without you provisioning or managing servers.
Question 6: To distribute incoming HTTP/HTTPS traffic across multiple targets with content-based routing, which load balancer should you use?
- Network Load Balancer
- Application Load Balancer (Correct answer)
- Gateway Load Balancer
- Classic Load Balancer
Correct answer: Application Load Balancer
The Application Load Balancer operates at Layer 7 and supports content-based routing for HTTP/HTTPS traffic.
Question 7: Which service provides a managed, scalable DNS web service for routing end users to internet applications?
- Amazon CloudFront
- AWS Global Accelerator
- Amazon Route 53 (Correct answer)
- Elastic Load Balancing
Correct answer: Amazon Route 53
Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.
AWS Cloud Architecture & Infrastructure 2
Which AWS service provides a logically isolated section of the AWS Cloud where you can launch resources in a virtual network you define?