3.5 Fundamentals of Computer Networks Archives

Application Protocols (3 marks)

Describe the function of any two protocols that operate at the Application layer.

Identify the layer at which each of the following protocols operates: a) HTTPS b) TCP c) IP

Explain the main function of each of the following two layers in the TCP/IP model: a) Application layer b) Transport layer

List the four layers of the TCP/IP model.

How can authentication, encryption, firewalls, and MAC address filtering be integrated to provide comprehensive network security?

Explain MAC address filtering and when it might be used as a security method.

What is a firewall, and how has its use evolved to enhance network security?

Describe encryption and give an example of how it contributes to network security.

Explain what authentication is and provide an example of when it would be used in a network.