DNS: Amazon Route 53

Question 1

Use Route 53 to direct based on health checks with
(2xx) traffic to primary and other responses to
secondary

Answer 1

Need to create an A record for each server and a HTTP (not TCP) health check

Question 2

Route 53 health check uses string matching for “/html”. Alert shows health check fails

Answer 2

The search string must appear entirely within the first 5,120 bytes of the response body

Question 3

Need to make a website promotion visible to users from a specific country only

Answer 3

Use Route 53 geolocation routing policy

Question 4

New website runs on EC2 behind ALB. Need to create

record in Route 53 to point to the domain apex (e.g. example.com)

Answer 4

Use an alias record

Question 5

Hosted zone in Account A and ALB in Account B. Need the most cost-effective and efficient solution for pointing to the ALB

Answer 5

Create an Alias record in Account A that points to ALB in Account B