CLASS 10 SESSION 2 : NETWORKING FUNDAMENTALS IMPORTANT NOTES

ASSESSMENT:

Fill in the blanks:

1. The acronym for LAN is ________.

Answer: Local Area Network.

2. Three types of Wired Internet Connectivity are _________,______ & _______.

Answer: Dial Up, DSL & Cable Internet Access

3.Three types of Wireless Internet Connectivity are , ______ &______.

Answer: 3G, WiMAX & WI-FI

II. Answer the following:

1.Define networking?

Answer: A computer network is a collection of computers that allow sharing of resources and information.

2. Give any three advantages of networking.

Answer:

•Data Sharing

•Files Transfer

•Internet Access Sharing

3. Explain the term packet with reference to data transfer.

Answer: Data transfer over the network is divided into small segments called packet. Each packet is sent from one computer to another computer to finds its destination.

4. Explain Wi-Fi and its significance.

Answer: Wi-Fi stands for wireless fidelity. Wi-Fi is a popular technology that allows an electronic device such as computers or mobile phones to exchange data wirelessly over a network, including high-speed Internet connections.

5. Compare LAN with WAN

Answer:

LAN: A local area network (LAN) is one which connects computers and devices in a limited geographical area such as home, school or closely positioned group of buildings.

WAN: A wide area network (WAN) is one which covers a broad area . It is used by businesses, governments and many others.

6. Expand the following terms :

a. DSL : Digital Subscriber Line
b. ISP : Internet Service Provider
c. Modem: modulator-demodulator
d. www: World Wide Web
e. LAN: Local area network
f. MAN: Metropolitan area network
g. WAN: Wide area network
h. P2P: Peer-to-peer 

7. Explain P2P Architecture and how it is different from Client Server Architecture?.

Answer: P2P Architecture: Networks in which all computers have an equal status are called peer to peer networks.
Generally in such a network each terminal has an equally competent CPU.

It is different from Client Server Architecture as Networks in which certain computers have special dedicated tasks, providing services to other computers (in the network) are called client server networks. The computer(s) which provide services are called servers and the ones that use these services are called clients.