1.3 – Computer Networks Archives - Page 2 of 2

Web Hosting. (2 marks)

Define web hosting in the context of the Internet.

What roles do routers and switches play in a network? Provide one role for each device.

Describe how a Network Interface Card (NIC) is used in a network.

Explain what is meant by the term “Internet.”

Describe how the Domain Name Service (DNS) facilitates the conversion of a URL to an IP address.

Discuss how the ‘number of devices connected to a network’ can impact the performance of the network.

Compare and contrast a Local Area Network (LAN) with a Wide Area Network (WAN). Include one example for each.

Explain how ‘bandwidth’ affects network performance.

Describe the main characteristics of a Local Area Network (LAN).