Please Answer All The Question

Define computer network. Explain the differences among PANS, LAN, WANs, intranets, internets, and the Internet. Describe protocol and explain the purpose of protocols. Explain the key distinction of a LAN. Describe the purpose of each component in Figure 6-16. Define IEEE 802.3 and 802.11 and explain how they differ. List three ways of connecting a LAN or computer to the Internet. Explain the nature of each.

Figure 6-16 Typical Small Office/Home Office (SOHO) LAN Laptop 1 Laptop 2 Phone 1 Phone 2 Wireless connections (dotted lines) use IEEE 802.11 Computer 1 LAN devic acts as a router, switch, and wireless access point (AP) Internet Internet Service Provider Wired connections (solid lines) use IEEE 802.3 00 Computer 2 Computer 3 Printer Fax