Route 53

Question 1

What does DNS mean?

Answer 1

Domain name system

Question 2

There are two types of hosted zone. They are…

Answer 2

Public and Private

Question 3

The five routing policies in route 53 are

Answer 3

Simple
Weighted
Latency
Failover
Geolocation

Question 4

Geolocation routing allows for routing by…

Answer 4

Continent
Country
State (us only)

Question 5

When using geo routing. If you have location overlap. What does AWS do?

Answer 5

Route to the smallest common denominator. Eg default to the country not the continent

Question 6

How is route 53 priced?

Answer 6

By hosted zone
By queries
By type of queries
By health check
By domain names purchased

Question 7

What percentage uptime is guaranteed for route 53?

Answer 7

100%

Question 8

Can you purchase route 53 domains by API and SDK?

Answer 8

Yes

Question 9

What does latency based routing do?

Answer 9

Forward to the resource with the lowest latency

Question 10

When you have a public subnet and a private subnet associated with the same domain. This is known as…

Answer 10

Split horizon DNS

Question 11

When you have a private and a public hosted zone attatched to one domain. Which takes precedent for queries from within the VPC?

Answer 11

Private

Question 12

When you have a private and a public hosted zone attatched to one domain. Which takes precedent for queries from the web?

Answer 12

Public

Question 13

Two use private hosted zones. Which settings must be enabled on your VPC?

Answer 13

Enable DNS support

Enable DNS host names

Question 14

If all health checks fail in route 53. What is expected behaviour?

Answer 14

Route 53 will fall back to using all resources.

Question 15

If you don’t specify a health check in route 53. All instances are considered…

Answer 15

Healthy