Cloud Architecture & Infrastructure Flashcards

Which AWS service provides a logically isolated section of the AWS Cloud where you can launch resources in a virtual network you define?

Answer: Amazon VPC

Amazon VPC lets you provision a logically isolated virtual network with full control over IP ranges, subnets, and routing.

An architect needs to connect thousands of VPCs and on-premises networks through a single hub. Which service is designed for this?

Answer: AWS Transit Gateway

AWS Transit Gateway acts as a central hub connecting VPCs and on-premises networks at scale.

Which storage class is most cost-effective for data accessed once or twice per year with retrieval times of hours acceptable?

Answer: S3 Glacier Deep Archive

S3 Glacier Deep Archive offers the lowest cost for long-term archival with retrieval in hours.

What is the primary purpose of an AWS Availability Zone?

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.

Which service allows you to run containerized applications without managing the underlying EC2 servers?

Answer: AWS Fargate

AWS Fargate is a serverless compute engine that runs containers without you provisioning or managing servers.

To distribute incoming HTTP/HTTPS traffic across multiple targets with content-based routing, which load balancer should you use?

Answer: Application Load Balancer

The Application Load Balancer operates at Layer 7 and supports content-based routing for HTTP/HTTPS traffic.

Which service provides a managed, scalable DNS web service for routing end users to internet applications?

Answer: Amazon Route 53

Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.