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Data Communication Final Exam

Total questions: 70

Worksheet time: 35mins

Name
Class
Date
1.

_____ are rules that govern a communication exchange

a)

media

b)

criteria

c)

protocols

d)

OSI

2.

The ______ is the physical path over which a message travels

a)

protocol

b)

medium

c)

signal

d)

wire

3.

The performance of a data communications network depends on ____

a)

the number of users

b)

the transmission media

c)

the hardware and software

d)

all of the above

4.

Viruses are a network ____ issue

a)

performance

b)

reliability

c)

security

d)

economic viability

5.

The information to be communicated in a data communication system is the ____

a)

medium

b)

protocol

c)

message

d)

transmission

6.

  Particles with a negative charge that orbit the nucleus

a)

Electrons

b)

Protons

c)

Neutron

d)

none of the above

7.

Duwi Publishing, with headquarters in Manila and branch offices in Lipa City and throughout South-East Asia, China and the USA, is probably connected by a _______.

a)

LAN

b)

MAN

c)

PAN

d)

WAN

8.

Keeler Plumbing has a network consisting of two workstations and one printer. This is most probably a ______

a)

PAN

b)

WAN

c)

LAN

d)

MAN

9.

What is data communication?

a)

Transfer of data from one point to the next.

b)

Transfer of electronic data from one point to the next over a communication medium.

c)

sending information

d)

none of the above

10.

It is sometimes referred to as electromotive force (EMF). EMF is related to an electrical force, or pressure, that occurs when electrons and protons are separated.

a)

Cable Media

b)

Voltage

c)

Hyper Media

d)

none of the above

11.

The best-known computer network

a)

Cable Media

b)

Wireless Media

c)

Internet

d)

none of the above

12.

It s made by connecting an adapter card, such as a modem or a NIC, from a PC to a network.

a)

Physical Connection

b)

Logical Connectioj

c)

Applications

d)

PC Basics

13.

The part of an optical fiber through which light rays travel is called the ____ of the fiber.

a)

Physical

b)

Logical

c)

core

d)

Rules

14.

It is energy that travels from one place to another

a)

TCP

b)

wave

c)

IP

d)

Scheme

15.

What does MAC stands for?

a)

Model Access Controller

b)

Media Access Circuity

c)

Media Access Control

d)

Model Account Control

16.

It allows the router to forward data between nodes on different networks.

a)

routed protocol

b)

ISO

c)

routable protocol

d)

none of the above

17.

What is the correct order of OSI Layer?

a)

application, presentation, session, transport, network, data link, physical

b)

application, presentation, transport, session, network, data link, physical

c)

application, presentation, session, transport, network, physical, data link

d)

application, session, presentation, transport, network, data link, physical

18.

True or False: 127.0.0.1 is the default IP address of computers

a)

True

b)

False

19.

True or False: Web browser is a software used to request information from the web server

a)

True

b)

False

20.
Devices using bluetooth to transfer data must be placed no more than ________meters apart.
a)
100
b)
50
c)
10
d)
30
21.
A modem contained within a computer system unit is called a/an_____________modem.
a)
External
b)
Internal
c)
Wireless
d)
Wired
22.
Data is transmitted using light through a(n) _____________cable.
a)
Fibre Optic
b)
Coaxial
c)
Twisted Pair
d)
Infra-red
23.
A network than spans a nation or the world is called a____________________.
a)
LAN
b)
MAN
c)
TAN
d)
WAN
24.
Computers send and receive data in the form of ___________________signals.
a)
Analog
b)
Modulated
c)
Demodulated
d)
Digital
25.

The conversion from digital signals to analog signals and vice versa is called______________.

a)

Modem/Demodem

b)

Modulation/Demodulation

c)

Analoging

d)

De-Digitizing

26.
Rules used to allow successful data transmission are called_____________________.
a)
Interconnections
b)
Medium
c)
Protocols
d)
Networks
27.
The acronym WLAN stands for______________.
a)
Wi-Fi Local Area Network
b)
Wireless Local Area Network
c)
Wide Local Area Network
d)
Wireless Local Analog Network
28.
Satellite, Microwave and Infrared are types of __________________________.
a)
Transmission protocols
b)
Transmission media
c)
communication modes
d)
networks
29.
Which technology is utilized by internet hotspots?
a)
Bluetooth
b)
Satellite
c)
Point to Point
d)
WI-FI
30.
_______________________is the transmission and reception of data between locations.
a)
Broadcast
b)
Data Communication
c)
Transmission Media
d)
Uploading
31.
The extranet is not available to persons outside an organizations network.
a)
True
b)
False
32.
This is a standard network protocol for transferring files between a server and client.
a)
Telenet
b)
Intranet
c)
FTP
d)
Newsgroup
33.
What type of cable media is this?
a)
Twisted Pairs Cable
b)
Fibre Optic Cable
c)
Coaxial Cable
34.
Scotia Bank operates an electronic banking platform called ScotiaOnline.  ScotiaOnline is an example of:
a)
an intranet
b)
an extranet
c)
a web server
d)
a bull
35.
Documents and Web Resources on the web are identified by this.
a)
URLs
b)
FTPs
c)
IRCs
36.

Types of communication media

a)

Twisted and coaxial cables

b)

duplex

c)

Bluetooth

d)

wired and wireless

37.

collection of two or more computers joined together through communication media, to share information is?

a)

Computer network

b)

Wired network

c)

half duplex

d)

full duplex

38.

The term 'bandwidth' refers to .

a)

the amount of data that can be downloaded via radio waves

b)

the maximum amount of data that can be transferred at any time via an Internet connection

c)

the number of minutes you use while online

d)

the method you use to connect to the Internet

39.

Which one of the following is a typical example of a web address?

a)

http:telko@info.uk

b)

alex@intellect.co.za

c)

http://www.eaglewood.co.za

d)

C:/computers.za

40.
What is the language that most web pages are written in?
a)
HTTP
b)
BBS
c)
IBM
d)
HTML
41.
What do we call the device that allows your computer to communicate with the internet?
a)
Modem
b)
Peripheral
c)
Mydacam
d)
Ethernet
42.
a program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web
a)
search engine
b)
web browser
c)
comment
d)
textbox
43.
a hypertext document connected to the World Wide Web
a)
website
b)
webpage
c)
forum
d)
avatar
44.

Data communications refers to the transmission of the digital data between two or more computers and a computer network.

a)

True

b)

False

45.

The (a)   network is a telecommunications network.

46.

Message can be _________,

_____________ &______________ files.

a)

Text

b)

Audio

c)

Video

d)

Alphabets

47.

The computer or device that is used for sending data is called____________-

a)

Sender

b)

Reciever

c)

Manager

d)

Follower

48.

The means through which data is sent from one location to another is

called transmission medium.

a)

True

b)

False

49.

Digital signals consist of binary digits _________.

a)

0&1

b)

2&3

c)

8&16

d)

9&0

50.

What is data communication?

a)

Transfer of data from one point to the next.

b)

Transfer of electronic data from one point to the next over a communication medium.

c)

sending information

d)

none of the above

51.

Types of communication media

a)

Twisted and coaxial cables

b)

duplex

c)

Bluetooth

d)

wired and wireless

52.

This is the process of using communication facilities such as the telephone and microwave relays to send data over a far distance without changing it.

a)

wireless communication

b)

Telecommunication

c)

Data communication

d)

wired communication

53.

collection of two or more computers joined together through communication media, to share information is?

a)

Computer network

b)

Wired network

c)

half duplex

d)

full duplex

54.

Which network connects computers within a large geographical area?

a)

Wide Area Network

b)

Local Area Network

c)

Metropolitan Area Network

d)

None of the above

55.

Name the image shown.

a)

network

b)

bus topology

c)

ring topology

d)

star topology

56.

a. Facilitates the sharing of resources


d. Reduces the cost of communication

a)

data communication media

b)

network topology

c)

data flow

d)

advantages of using a network.

57.

Persons at a KFC restaurant realise that they were able to access the internet on their phones. This would be considered a

a)

MAN

b)

Hot Spot

c)

LAN

d)

Satellite

58.

A LAN is big enough to cover what area?

a)

A university campus

b)

A single house

c)

A single department

d)

All of the above

59.

Which of the following statements best describes data transmission?

a)

The process of removing data from one specific location

b)

Communication on the Internet

c)

The process of transferring data from one point to another

d)

The process of securing data in a network

60.

The speed of transmission is described with what term?

a)

Broadband

b)

Bandwidth

c)

Connection Speed

d)

Ping

61.

A _______ contains large capacity hard disk drives that are available to users on a network.

a)

hub

b)

file server

c)

network card

d)

modem

62.

The picture is showing examples of __________________________

a)

service providers

b)

internet protocols

c)

games

d)

web browsers

63.

The picture is showing examples of ___________

a)

wired transmission

b)

wireless transmission

c)

data

d)

None of the above

64.

Communication is BEST defined as

a)

speaking to someone of a different language

b)

exchange of data/information

c)

bossing someone around

65.

Components of communication includes:

a)

receive, message, send, feedback

b)

feedback, person, message

c)

sender, receiver, message, feedback

66.

Which of the following is Not necessary for Effective Communication to take place.

a)

Delivery

b)

Jitter

c)

Bandwidth

d)

Timeliness

67.

What is meant by Real Time?

a)

Happening simultaneously

b)

Happening Now

c)

Happening Before

d)

Happening Right After

68.

When a user holds face-to-face meetings via Whats App or Skype this is known as _________.

a)

Teleconference

b)

Videoconfrence

c)

Messaging

d)

voice call

69.

Which of the following is not a characteristic of Effective communication?

a)

Timeliness

b)

Delivery

c)

Length

d)

Accuracy

70.

Which of the followinbg is an example of Data or Information?

a)

Pictures

b)

Video

c)

Voice message

d)

All of the Above

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