Networking - Route53

Question 1

What does an A Record do?

Answer 1

Maps a URL to an IPv4 address

Question 2

What does an AAAA Record do?

Answer 2

Maps a URL to an IPv6 address

Question 3

What does a CNAME Record do?

Answer 3

Maps a URL to another URL

Question 4

What does an Alias Record do?

Answer 4

Maps a URL to an AWS resource

Question 5

How do you check if a DNS Record is working?

Answer 5

Use nslookup or dig

Question 6

What domain can you not use a CNAME for?

Answer 6

A Root Domain. It has to be non-root (app.mydomain.com, not mydomain.com to another url)