Task 1 What is DNS?

What does DNS stand for?

"Domain Name System"

 

Task 2 Domain Hierarchy

What is the maximum length of a subdomain?

"63"

 

Which of the following characters cannot be used in a subdomain ( 3 b _ - )?

"_"

 

What is the maximum length of a domain name?

"253"

 

What type of TLD is .co.uk?

"ccTLD"

 

Task 3 Record Types

What type of record would be used to advise where to send email?

"MX"

 

What type of record handles IPv6 addresses?

"AAAA"

 

Task 4 Making A Request

What field specifies how long a DNS record should be cached for?

"TTL"

 

What type of DNS Server is usually provided by your ISP?

"recursive"

 

What type of server holds all the records for a domain?

"authoritative"

 

Task 5 Practical

Question 1)

Question 2)

Question 3)

Question 4)

 

What is the CNAME of shop.website.thm?

"shops.myshopify.com"

 

What is the value of the TXT record of website.thm?

"THM{7012BBA60997F35A9516C2E16D2944FF}"

 

What is the numerical priority value for the MX record?

"30"

 

What is the IP address for the A record of www.website.thm?

"10.10.10.10"