Chapter 9 - Communications and Networks

Read Chapter 9 Communications and Networks and answer the following questions.

What is the difference between an analog signal and a digital signal? explain using both text and a diagram.

What is VOIP?

What are the five reasons businesses use a network?

What is the difference between a LAN, a MAN and a WAN?

What is a client/server network? (define server and client in your answer)

What is a peer-to-peer network?

Is a business that has 200 computers likely to use a client/ server or a peer-to-peer network? (explain your answer)

What is internet peer-to-peer?

Using words and diagrams describe each of the following topologies - bus, ring, and star.

Describe each of the following communication technologies - Ethernet (802.3), Token Ring, TCP/IP, 802.11, Bluetooth, IrDA, RFID, WAP,

Briefly describe each of the types of communication over telephone lines.

Briefly describe the various communication devices.

What is a router?

What is noise?

What is attenuation?

What is bandwidth?

If you have not done so already - create a chart that identifies each transmission media (physical and wireless), a brief description of it, its transfer speed, and advantages/ disadvantages associated with each.