Digital Learning

Sunday, February 13, 2022

CBSE Class-X Information Technology-Solution Unit-IX (Chapter-19): Part-I

Unit-9 Web Applications and Security
Chapter- 19 Networking Fundamentals

I. Multiple choice questions. Tick the correct answer.
1. Which of these terms describes a computer that is connected to a network?
a. node        b. unit        c. device            d. terminal unit
Answer: Node

2. Several computers connected together are called:
a. client-server    b. client        c. computer network    d. hub
Answer: Computer network

3. The computer that controls other computers in a network is called:
a. remote computer     b. local computer     c. stand alone computer
d. host computer
Answer: Remote computer

4. The network type in which all computers have equal status is known as
a. client /server    b. communications link    c. peer to peer d. LAN
Answer: Peer to Peer

5. A network that spans a large city is known as a/an___
a. WAN    b. LAN        c. PAN            d. MAN
Answer: MAN

6. Wi-Fi, infrared and Bluetooth are examples:
a. topologies    b. communication mediums   c. network devices
d. computer networks
Answer: Communication mediums

7. Which type of functionality is suitable for large networks?
a. peer to peer    b. file/server        c. client/server    d. local host
Answer: Client/server

8. A Wi-Fi is a:
a. Type of computer    b. Type of network cable
c. Set of popular technologies and standards for wireless computer networking.
d. Set of computer programs that help people make money on the internet.
Answer: Set of popular technologies and standards for wireless computer networking.

9. Bluetooth technology supports networking over
a. Wi-Fi standard wireless radio connections    
b. Its own standard wireless radio connections
c. USB cable connections        d. Ethernet cable connections
Answer: Its own standard wireless radio connections

10. Which of the following communication mediums can send signals only in the line of sight?
a. Bluetooth        b. infrared rays        c. Wi-Fi        d. Microwaves
Answer: Infrared rays

II. Fill in the blanks:
1. The interconnection of computers is called a____.
Answer: Network

2. The network that is built in a room or in an office building is known as _____.
Answer: LAN

3. A network that does not extend beyond the boundaries of the immediate town/city is called_____.
Answer: MAN

4. In a _____ network, all computers can act both as clients and servers.
Answer: Peer to Peer

5. A ______ is a circuit in a computer that connects it to a network.
Answer: Network Interface Card (NIC)

6. A wireless local area network consists of two key components, ___ and ______.
Answer: Access Point, Wireless card

7._______is a wireless protocol for short range network communication.
Answer: WAP

III. Write True or False against the statement.
1. LAN are designed to share data and resources among several computers in the same geographical location.
Answer: T

2. A WAN is usually limited to one office building.
Answer: F

3. The term node may refer to any device connected to a network.
Answer: T

4. Digital signal is required by most phone lines.
Answer: T

5. Servers are all of the computers that request services over the network.
Answer: T

6. WAN requires the same technology as LAN.
Answer: F

7. An access point in a WLAN behaves in a similar manner as a server in a client server network does.
Answer: T

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