Explain the purpose of the ISO-OSI model and TCP/IP and the significance to real-world networks…

1. Explain the purpose of the ISO-OSI model and TCP/IP and the

significance to real-world networks such as LANS and the Internet

2. Explain in detail the architecture of LANS, the IEEE 802 standards for

station addresses and frame format, and the operation of LAN switches, and

outline shortcomings in LANS such as security and broadcasts

3. Describe in detail the architecture of the Internet, the operation of

routing tables, routers and the operation of dynamic routing protocols and

explain the purpose of layer 3 protocols and IP in particular, and the main fields

in the IP packet header

5. Describe in detail the features and protocol formats for presentation and

Application layers and outline the basic architecture of the World Wide Web

and Internet email systems

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