Route53

Question 1

What is a failover policy?

Answer 1

A policy that allows you to redirect traffic to a disaster recovery region if a health check fails

Question 2

What is a Latency based policy?

Answer 2

A policy that allows you to route traffic to the region with the lowest latency

Question 3

What is a Weighted routing policy?

Answer 3

A policy that allows you to split traffic between regions based on weight, 25%, 25%, 25%, 25%

Question 4

What is a Multi-Value routing policy?

Answer 4

A policy that allows you to randomly distribute traffic to multiple resources using multiple record sets

Question 5

What is a GeoLocation routing policy?

Answer 5

A policy that allows you to choose where to send traffic based on the geolocation of users

Question 6

What is a Simple routing policy?

Answer 6

A policy that allows for only one record, and optionally multiple IP addresses. If multiple, traffic will be sent in round robin style.

Question 7

What is a CNAME?

Answer 7

A canonical name that resolves one domain to another: m.website.com –> website.com

Question 8

What is the difference between Simple routing and Multi-Value?

Answer 8

Simple routing allows for multiple IPs but only one record set. Multi-Value allows for multiple IPs and multiple record sets. Also allows for health checks to remove failed servers

Question 9

What is an Alias Record?

Answer 9

Used to map resource record sets in your hosted zone to ELB, Cloudfront or S3 websites

Question 10

Given a choice, should you choose an Alias or a CNAME?

Answer 10

Alias