Route 53 and Cloud Front

Question 1

Is there a trailing dot after a Fully Qualified Domain Name?

Answer 1

Yes. Addresses in DNS zone files will fail without a trailing dot.

For example, administration.school.edu.

Question 2

What is a hosted zone?

Answer 2

A hosted zone defines a DNS domain.

Question 3

What are the commonly used record types in DNS?

Answer 3

• A
• CNAME
• MX
• AAAA
• TXT
• NS
• SOA

Question 4

What is an Alias Record in Route53?

Answer 4

Alias record route domain name to an AWS resource, e.g. ELB.

Question 5

What are four functions that Route53 provide?

Answer 5

• Domain registration
• DNS management
• Availability monitoring (health check)
• Traffic management (routing policies)

Question 6

What does 53 mean in Route53?

Answer 6

It reflects the fact that DNS traffic uses TCP or UDP port 53.

Question 7

What are the routing policies of Route53?

Answer 7

• Simple
• Weighted
• Latency
• Failover
• Geolocation
• Geoproximity
• Multivalue answer