Online Examination

Question# 1. What is/are the function(s) of Firewall?

It can help prevent malicious software to gain access to your computer through a network or internet.

It can help to stop your computer from sending malicious software to other computers.

It can filter receiving and sending packets from a device.

All of the above

Question# 2. Mobile Wi-Fi Hotspot is:

A physical location that offers Internet access over a Wireless Local Area Network (WLAN) through the use of a router connected to a link provided by internet service provider.

An online mobile app store.

A topology of a computer network.

An example of Virtual reality based device .

Question# 3. ______ is a network topology in which each network host is connected to a central hub with point–to–point connection.

Bus Topology

Star Topology

Mesh Topology

None of the above

Question# 4. Which of the following has the least network transmission range?

Bluetooth

Wi-Fi

Infra-red

WiMAX

Question# 5. Which of the following is responsible for locating domain name and translating it into internet protocol addresses

HTTP

HTTPS

DNS

URL

Question# 6. Network congestion occurs:

in case of traffic overloading

when a system terminates.

when connection between two nodes terminates.

None of the above.

Question# 7. 4. select the arrangement of the network type in ascending order based on size and span.

pan

pan< lan< wan< man

lan< pan< man< wan

pan< man< lan< wan

Question# 8. which of the following is not network topology ?

bus

spider

tree

ring

Question# 9. to set the different network connections on your computer, you will use the option in a computer:

my network

network and sharing centre

wireless network

network set-up

Question# 10. in satellite based communication, vsat stands for ?

very small analog terminal

very small aperture terminal

varying size aperture terminal

none of the above

Question# 11. which of the following cables is used for communication in lan?

twisted pair

co-axial

fibre optic

all of the above

Question# 12. What is the commonly used unit for measuring the speed of data transmission?

Bits per second

Nano second

Characters per second

Mega Hertz

Question# 13. which of the following is required to communicate between two computers?

communication software

protocols

communication hardware

all of the above

Question# 14. ______ is a valid example of IP address.

192.168.0.8

rscit@vmou.ac.in

www.vmou.ain

c:/vmou/rscit/file.doc

Question# 15. —— is a combination of bus topology and star topology.

Ring topology

Mesh topology

Hexagonal topology

Tree topology

Question# 16. which is not the network topology?

mesh topology

tree topology

moon topology

star topology

Question# 17. which of the following is fastest media of data transfer-

fibre optic cable

co-axil cable

un twisted wire

telephone lines

Question# 18. suppose there are 100 nodes connected in full mesh topology then the number of links needed are --

100

4650

4850

4950

Question# 19. technology used to provide internet by transmitting data over wires of telephone network is?

transmitter

diodes

hhl

dsl

Question# 20. which of the following is the shortest range wireless communication technique?

bluetooth communication

microwave communication

satellite communication

wi-fi communication

Question# 21. ..........is used to protect network from outside attacks.

fortress

DNS

extranet

firwall

Question# 22. which cable uses glass threads to transmit data?

twisted pair wire

coaxial cable

optical cable

none of the above

Question# 23. Which among the following is correct feature(s) about LAN (local area network):

LANs are small size networks which only covers a few buildings or a campus up to few kilometers.

LANs are widely used to connect personal computers and workstations in company offices, factories and universities to share resources and exchange information.

Example of LAN is to share printers in a Lab or in a department.

All of the above.

Question# 24. what is the valid example of ip address?

xyz@abc.in

120.0.1

7e:2d:11:34

www.google.com

Question# 25. modem is related to:

modulation and demodulation

conversion of analog signal to digital signal and vice versa

both (a) and (b) are correct

none of the above.

Question# 26. A _____ acts as a security buffer between a company‘s private network and all external networks–

Disaster recovery device

Virus checker

Password

Firewall

Question# 27. What is the central device in star topology?

Hub

PDC

Proxy Server

Topology

Question# 28. in internet terminology “IP” means

internet provider

internet protocol

internet process

internet program

Question# 29. A technique used in windows 10, to wirelessly push or mirror your screen to the remote screen or monitar:

Screen Cast

Mirroring

Wireless

Push Button

Question# 30. usb stands for-

universal serial band

universal serial bus

unique serial bus

none of the above

Question# 31. How the links and nodes connected in ‘star topology’ ?

Each node is connected to a single cable with other nodes

Each network host is connected to a central hub with a point to point connection

A and B

None of the above

Question# 32. _______ provides data pathway which connects system components–

System Lines

Bus lines

Disk lines

Main lines

Question# 33. which device among following is used for sending digital data over a phone line?

usb

scanner

printer

modem

Question# 34. ____________ is used to send digital data over telephone line.

Scanner

LAN

Modem

Pen drive

Question# 35. —— is the network of physical objects embedded with electronics, software, sensors and network connectivity which enable these object to collect and exchange data over the cloud.

IoT

Big data

LiFi

Google Glass

MULTITECH

O Level

Question Paper

O Level