Section 10 Chapter 56 - Structure of the Internet

Question 1

Structure of the internet

Answer 1

It is a massive network of computers. Links between countries are are done by trans-continental internet connections

Question 2

Uniform resource locator and its components (4)

Answer 2

It is the full address for a resource in a network

• Method
• Host
• Location
• Resource

Question 3

What internet registries do

Answer 3

Hold records and issue registered domain names. Also keep track of which DNS’s map to which IP addresses

Question 4

How the DNS system works

Answer 4

When a website is requested using a URL, a request is sent for the IP address to the local DNS. If the local DNS does not contain the address then the search is extended up the hierarchy until it is found

Question 5

Example of website domain name

Answer 5

website.com

Question 6

Example of a fully qualified domain name

Answer 6

www.website.com

Question 7

What is a fully qualified domain name

Answer 7

The host server name + the website domain name

Question 8

IP address

Answer 8

A unique address that is assigned to a network device