AWS AWS Networking and Content Delivery

Question 1

What is Amazon VPC?

Accepted Answer

A logically isolated section of the AWS Cloud where you can launch AWS resources in a virtual network you define

Answer

Amazon VPC (Virtual Private Cloud) lets you provision a logically isolated virtual network in AWS where you control IP addressing, subnets, routing, and security.

Question 2

What is the difference between a public subnet and a private subnet in a VPC?

Accepted Answer

A public subnet has a route to an Internet Gateway; a private subnet does not

Answer

A public subnet has a route table entry pointing to an Internet Gateway, allowing resources to communicate directly with the internet, while private subnets lack this route.

Question 3

Which AWS service acts as a DNS web service for routing end users to internet applications?

Accepted Answer

Amazon Route 53

Answer

Amazon Route 53 is AWS's scalable and highly available Domain Name System (DNS) web service that routes users to applications.

Question 4

What is Amazon CloudFront?

Accepted Answer

A content delivery network (CDN) that distributes content globally with low latency

Answer

Amazon CloudFront is a fast CDN service that securely delivers data, videos, and applications to customers globally via edge locations.

Question 5

What is an Internet Gateway in AWS VPC?

Accepted Answer

A VPC component that enables communication between a VPC and the internet

Answer

An Internet Gateway is a horizontally scaled, redundant VPC component that allows communication between instances in your VPC and the internet.

AWS Practice Test

AWS Practice Test

AWS AWS Networking and Content Delivery