Web Science/Part1: Foundations of the web/Domain Name System/Terminology/quiz

1 map the following

top level domaindomainsubdomain
google.com
en.wikiversity.org
www.studywebscience.org
org
studywebscience
http://en.wikiversity.org
http://en.wikiversity.org/wiki/Topic:Web_Science

2 True or false?

truefalse
Every domain is a subdomain of its parent
Every subdomain can also act as a domain
Every host has a domain
Every domain resolves to a host
Domains can have multiple subdomains
Domains can have multiple top level domains

3 Given the tree which represents the domain name system. Which of the following best describes what a domain is?

A domain is a node
A domain is a subtree
A path from the root to a certain node
A path from a certain node to the root
A domain is a leaf
A domain is an edge

4 Given the tree which represents the domain name system. Which of the following best describes what a fully qualified domain name is?

A domain is a node
A domain is a subtree
A path from the root to a certain node
A path from a certain node to the root
A domain is a leaf
A domain is an edge