BHARTIYAM INTERNATIONAL SCHOOL
Practice Work Sheet
Class: VIII
Subject: Computer
Work Sheet No.:001
Date: 30th May 2016
Choose the correct option for each of the following.
1. Physical or logical arrangement of network is
a) Topology
b) Routing
c) Networking
d) None of the these
2. In this topology there is a central controller or hub
a) Star
b)Mesh
c)Ring
d)Bus
3. This topology requires multipoint connection
a ) Star
b)Mesh
c)Ring
d)Bus
4. Data communication system spanning states, countries, or the whole world is
a) LAN
b) WAN
c) MAN
d) None of the mentioned
5. FTP stands for
a) File transfer protocol
b) File transmission protocol
c) Form transfer protocol
d) Form transmission protocol
6. Ethernet system uses which of the following technology.
a) Bus
b) Ring
c) Star
d) Tree
7. Which of the following are the network services?
a) File service
b) Print service
c) Database service
d) All of the above
8. If all devices are connected to a central hub, then topology is called
a)Bus Topology
b) Ring Topology
c) Star Topology
d)Tree Topology
9. A protocol is a set of rules governing a time sequence of events that must take place?
a) Between peers
b) Between an interface
c) Between modems
d) Across a modem
10.__________________refers to protecting data from any unauthorized access.
a) Network Security
b) Cryptography
c) Encryption
d) Decryption
11. _________is a device that connects wireless communication devices to form a
wireless network.
a) WAP
b) Wi-Fi
c)Encryption
d) Decryption
12. Which
of the following topology is displayed in this diagram:
a) Star
b) Mesh
c) Ring
d) Bus
13. Which of the following topology is displayed in this figure:a) Star
b) Mesh
c) Ring
d) Bus
14. Which of the following topology is displayed in this figure:a) Star
b) Mesh
c) Ring
d) Bus
15. What type of card is necessary to connect just two computers?
a) Category 5 Cable
b) Network Interface
c) Wireless Internet
d) None of These
16.__________refers to a computer network that allows controlled access to an infor
mation source available on internet.
a) Extranet
b) Video Conferencing
c) Intranet
d) None of These
17. _______is a term ,which refers to a computer network restricted to an organization.
a) Extranet
b) Video Conferencing
c) Intranet
d) None of These
18._____________ is a wireless technology used to interconnect mobilephones ,computers or peripherals using short range communication.
a) Bluetooth
b) Hotspot
c) Intranet
d) Wi-Fi
19. Identify the Network Architecture used in the following figure.
a) Peer to Peer
b) Client -Server
c) MAN
d) PAN
20. Which type of Network is displayed by the following network.
a) LAN
b) WAN
c) MAN
d) PAN