Module 3: Global Infrastructure and Reliability

Question 1

What is a region?

Answer 1

A geographical area that has multiple availability zones

Question 2

What is an availability zone?

Answer 2

A datacenter of servers

Question 3

What are 4 considerations to take into account when selecting a region?

Answer 3

• Compliance with data governance and legal requirements
• Proximity to customers (affects latency)
• Available services within the region e.g. if you have a satellite service, you need to go to southern Ireland, not London.
• Pricing - can vary by region.

Question 4

How many availability zones must you deploy to and why

Answer 4

Availability zones are only build in 3s and you have to deploy to at least 2 for the purpose of redundancy

Question 5

What is AWS Cloudfront?

Answer 5

AWS’s content-delivery service that speeds up distribution of you static or dynamic web content to edge locations. This can significantly increase speed and lower latency.

Question 6

What are AWS Outposts?

Answer 6

When AWS infrastructure and services are extended to your on-premises data center

Question 7

What are the 3 ways to interact with AWS services?

Answer 7

AWS Management Console

AWS Command Line Interface

Software development kits (SDKs)