Route53

Question 1

Does an ELB have an IP address?

Answer 1

No, it has a DNS name

Question 2

Alias Record vs CNAME

Answer 2

Alias Record like a CNAME, but it resolves to individual AWS resources and accepts naked domain names

Question 3

Routing Policies

Answer 3

Simple, Weighted, Latency, Failover, Geolocation

Question 4

Simple use case

Answer 4

single webserver

Question 5

Weighted use case

Answer 5

A/B testing

Question 6

Latency use case

Answer 6

quickest performance

Question 7

Failover use case

Answer 7

Prod and a DR site

Question 8

Geolocation use case

Answer 8

European customers use Euros, US customers use US dollars

Question 9

What routing policy can only have one record with multiple IPs?

Answer 9

Simple

Question 10

What routing policy would you use if you want to set a percentage of all traffic to be directed to another region?

Answer 10

Weighted

Question 11

What routing policy would you use if you you wanted to ensure the user is directed to the region with the least latency?

Answer 11

Latency

Question 12

What routing policy would you use if you if you require an active passive route and a health check rule to direct traffic?

Answer 12

Failover

Question 13

What routing policy would you use if you need to direct traffic to different regions to serve data specific to the user location?

Answer 13

Geolocation

Question 14

What routing policy would you use if you require routing for a dozen web servers. The routing policy can return multiple options and remove a downed server?

Answer 14

Multivalue answer