List and explained TCP/IP model.

2. List at least three common protocols used for each of the layers of the TCP/IP model.
4. List a security feature for each these protocols.

c) List a set of commands that can be used to fault find a network for each of the layers of the

TCP/IP model.

2. explain what happens to data packets at each layer of the OSI model. You must explain how data is encapsulated at each layer.

3.need to identify and briefly explain 2 items for each of the following in how they can help protect SMTAFE from common security threats:

1. Security Protocols (e.g. Wireless/Encryption/Authentication)

4.

a) Briefly explain at least three penetration testing techniques.

b) How can it help in IT security audits?

5. Briefly explain the following network traffic QoS characteristics relevant to a wireless network:

a)Bandwidth

6.Explain briefly, at least four environmental factors affecting wireless signals.

7.briefly explain the difference between wireless topologies that are suitable for a SOHO and for an enterprise LAN?

8.Wireless protocols operate at Layer 2 and 3 of the OSI model. They can be difficult to implement to provide full coverage and security.

Explain briefly at least three factors for each layer (2 and 3) that you must consider during the design process.