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Fundamentals of communication and networking

Total questions: 114

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
Which of the following is not an advantage of networking?
a)
Security from viruses and unauthorised access.
b)
Ability to share files and printers
c)
Ability to move the same user account between different computers
d)
Obtaining site license software at reduced cost compared to buying multiple copies.
2.
The following is needed to get on the Internet:
a)
Networking of computers.
b)
A modem for every computer.
c)
Administrative accounts.
d)
Large storage capacity.
3.
Collaborative working is very popular today and is made possible by networking.
a)
True
b)
False
4.
Upgrading software is easier to do over the network.
a)
True
b)
False
5.
When a computing task would take too long for any one computer to do, the use of networking will allow the use of:
a)
Distributed processing.
b)
To replace computers as they break down under load.
c)
Will speed up Internet access.
6.
The following activity is made possible by networking:
a)
All of these
b)
Remote troubleshooting of computer problems by techsupport.
c)
Cloud storage.
d)
Internet browsing and email.
7.
Networking allows easier sharing of peripherals.
a)
True
b)
False
8.
The cost of networking has been going down over the last few decades.
a)
True
b)
False
9.
Networking standards don't change fast enough to keep up with developments in wireless and CPU technology.
a)
False
b)
True
10.
Wireless network is starting to overtake wired networking as a preferred connection type.
a)
True
b)
False
11.
The following is not needed to connect to LAN:
a)
The latest version of an operating system and all the updates.
b)
Network card
c)
Wireless or wired router
12.
The following device is not very intelligent but allows computers to form a segment of a network:
a)
Hub
b)
Router
c)
Modem
d)
NIC
13.
This device performs a lot of processing to filter and readdress network packets:
a)
Router
b)
Hub
c)
Switch
d)
Modem
14.
A switch is better in preventing data collisions than a hub.
a)
True
b)
False
15.
The following hardware is becoming more and more common in networking:
a)
Wireless hotspot.
b)
Router
c)
Hub
d)
Switch
16.
When a router processes a packet, it will look at its source field to:
a)
Notify the sender if the packet doesn't get through.
b)
Forward the packet to its intended recipient.
c)
To filter packets that are lost.
17.
The following device allows different LANs to connect to each other:
a)
Gateway
b)
Switch
c)
Hub
18.
Wired networks are faster than wireless.
a)
True
b)
False
19.
Firewall makes sure the packets are sent to the right destination and protects them while they are on their way.
a)
False
b)
True
20.
The following device assigns unique IP addresses to computers on a LAN:
a)
Router
b)
Gateway
c)
Firewall
d)
Hub
21.
The internet is a network of networks.
a)
True
b)
False
22.
Which of the following items of hardware connects different networks together?
a)
Router
b)
Server
c)
Dongle
d)
Firewall
23.
There is only one path between different countries connected to the internet.
a)
False
b)
True
24.
Which of the following locates resources on the internet?
a)
IP addresses
b)
Computer names
c)
WPA codes
25.
The internet allways sends traffic along the shortest possible path.
a)
False
b)
True
26.
Which of the following is an example of a generic top level internet domain?
a)
com
b)
ac
c)
co
d)
sch
27.
You always need a URL to access a website.
a)
False
b)
True
28.
Which country controls the internet?
a)
No one country.
b)
USA
c)
Russia
d)
China
29.
You can't block information from other countries on the internet.
a)
False
b)
True
30.
The internet can never break.
a)
False
b)
True
31.
What type of network is this?
a)
Bus
b)
Ring
c)
Mesh
d)
Star
32.
What type of network is this?
a)
Mesh
b)
Star
c)
Ring
d)
Token
33.
What type of network is this?
a)
Star
b)
Bus
c)
Ring
d)
Mesh
34.
What type of network is this?
a)
Ring
b)
Mesh
c)
Star
d)
Bus
35.
In a ring network, if one computer fails, they all fail.
a)
False
b)
True
36.
Which network would suffer a decrease in performance across the whole network if there was a break in one cable?
a)
Ring
b)
Bus
c)
Star
37.
Which network topology uses a backbone to connect all of the computers?
a)
Bus
b)
Ring
c)
Star
38.
"When data is sent, it is sent to all of the computers on the network" - which network topology is this describing?
a)
Bus
b)
Ring
c)
Star
39.
Which network topology is the most common way of setting up a network?
a)
Star
b)
Ring
c)
Bus
40.
Which network topology is the hardest to add a new computer to?
a)
Ring
b)
Star
c)
Bus
41.
Which network topology has a central point of failure?
a)
Star
b)
Ring
c)
Bus
42.

Data is transmitted one bit at a time down a single wire.

a)

Serial Transmission

b)

Parallel Transmission

c)

WIFI Transmission

d)

Optical Transmission

43.

Data is transmitted several bits at a time using multiple wires.

a)

Serial Transmission

b)

Parallel Transmission

c)

WIFI Transmission

d)

Optical Transmission

44.

Keyboard and Mouse are examples of...

a)

Serial Transmission

b)

Parallel Transmission

c)

WIFI Transmission

d)

Optical Transmission

45.

Bandwidth is the term used to describe the amount of data that can be transmitted along a communication channel.

a)

True

b)

False

46.

Bandwidth is measured in BPS

a)

True

b)

False

47.

Bandwidth is measured in Hz

a)

True

b)

False

48.

Bit rate and bandwidth are always closely linked. Because the bit rate will be limited by how much bandwidth is available.

a)

True

b)

False

49.

Bit rate and Latency are always closely linked. Because the bit rate will be limited by how much latency is present in the network cable.

a)

True

b)

False

50.

Bit Rate is measured in Bits per second

a)

True

b)

False

51.

Bit Rate is measured in Bytes per second

a)

True

b)

False

52.

Latency is the time delay that occurs when transmitting data between devices.

a)

True

b)

False

53.

Latency represents one electronic state change per second.

a)

True

b)

False

54.

Data is transmitted where the pulse of the clock of the sending and receiving device are in time with each other.

a)

Synchronous Data Transmission

b)

Asynchronous Data Transmission

c)

Latency

d)

Clock CPU Pulsar

55.

Data is transmitted between 2 devices that do not share a common clock signal.

a)

Synchronous Data Transmission

b)

Asynchronous Data Transmission

c)

Latency

d)

Clock CPU Pulsar

56.

Contains a start bit, stop bit and parity bit.

a)

Synchronous Data Transmission

b)

Asynchronous Data Transmission

c)

Latency

d)

Clock CPU Pulsar

57.

In Asynchronous Data Transmission - A Bit used to indicate the start of a unit of data .

a)

Start bit

b)

Start bytes

c)

Stop bit

d)

Parity bit

58.

In Asynchronous Data Transmission - a bit used to indicate the end of a unit of data.

a)

Start bit

b)

Start bytes

c)

Stop bit

d)

Parity bit

59.

In Asynchronous Data Transmission - a method of checking binary codes by counting the number of 1s and 0s

a)

Start bit

b)

checksum

c)

check digit

d)

Parity bit

60.

Are methods of ensuring that different computers can communicate with each other. Is a set of rules

a)

Procedural

b)

Protocols

c)

Checksum

d)

Parity Bit

61.
What does Protocol mean?
a)
Security
b)
Rules
c)
Orders
d)
Services
62.
What does TCP stand for?
a)
Total control port
b)
Transmission control protocol
c)
Transmission control protocol
63.
Which protocol would you use to transfer hypertext?
a)
FTP
b)
SMTP
c)
POP3
d)
HTTP
64.
Which protocol would you use to transfer files?
a)
FTP
b)
SMTP
c)
POP3
d)
HTTP
65.
What is Hypertext used for?
a)
Creating websites
b)
Sending emails
c)
Saving programs
d)
Storing data
66.
What is an IP address?
a)
A way of sending information
b)
A way of indicating the location of a device
c)
A way of deleting viruses 
d)
A secure communication method. 
67.
The TCP is responsible for transmitting the file consistently
a)
True
b)
False
68.
Which of these is NOT part of the header?
a)
Packet Number
b)
Sender IP Address
c)
Size of Packet
d)
Name of File
69.

is used for accessing and receiving web pages in the form of HTML files on the Internet


The protocol requests the web server to upload the requested web page to the user’s browser for viewing

a)

HTTP

b)

HTTPS

c)

FTP

d)

SMTP

70.

used for accessing and receiving web pages in the form of HTML files on the internet.


+encrypts the information so that it cannot be hacked

a)

HTTP

b)

HTTPS

c)

FTP

d)

TELNET

71.

Protocol that allows a user on one computer to log into another computer that is part of the same network.

a)

HTTP

b)

HTTPS

c)

FTP

d)

TELNET

72.

Email protocol used for transferring email between remote email servers

a)

SMTP

b)

POP17

c)

POP

d)

IMAP

73.

These 2 email retrieval protocols fetch message data and attachments from your remote mail server

a)

SMTP

b)

EMAIL101

c)

POP

d)

IMAP

74.

Which protocol will download entire message to just one electronic device and remove from email server?

a)

SMTP

b)

EMAIL101

c)

POP

d)

IMAP

75.

Breaks up messages sent over the Internet into small chunks called packets.


Reassembles the packets at the other end.


Detects errors.


Resends lost messages.

a)

TCP

b)

Telenet

c)

IP

d)

Packet Routing

76.

Breaks up messages sent over the Internet into small chunks called packets.


Reassembles the packets at the other end.


Detects errors.


Resends lost messages.

a)

TCP

b)

Telenet

c)

IP

d)

Packet Routing

77.

•Routes the individual packets

a)

TCP

b)

Telenet

c)

IP

d)

Packet Routing

78.

SELECT ALL the layers of TCP/IP protocol stack that incoming and outgoing data move through /operate on...

a)

Transport

b)

Data Link

c)

Network

d)

Application

79.

Which layer do application run on ?

a)

Transport

b)

Data Link

c)

Network

d)

Application

80.

Which layer creates a connection between 2 hosts and agrees data to be sent (size of data (packets) etc) and breaks up data into packets.

a)

Transport

b)

Data Link

c)

Network

d)

Application

81.

Which layer DO routers operate on...

a)

Transport

b)

Data Link

c)

Network

d)

Application

82.

Which layer does Destination addresses get written on to the packets ready for transmission

a)

Transport

b)

Data Link

c)

Network

d)

Application

83.

Layer where the physical hardware that connects the two hosts such as the NIC and the cabling operate on...

a)

Transport

b)

Data Link

c)

Network

d)

Application

84.

UDP just sends the packets, which means that it has much lower bandwidthoverhead and latency. But packets can be lost or received out of order as a result, owing to the different paths individual packets traverse between sender and receiver.

a)

True

b)

False

85.

UDP is an ideal protocol for network applications in which perceived latency is critical such as gaming, voice and video communications, which can suffer some data loss without adversely affecting perceived quality. In some cases, forward error correction techniques are used to improve audio and video quality in spite of some loss.

a)

True

b)

False

86.

TCP is an ideal protocol for network applications in which perceived latency is critical such as gaming, voice and video communications, which can suffer some data loss without adversely affecting perceived quality. In some cases, forward error correction techniques are used to improve audio and video quality in spite of some loss.

a)

True

b)

False

87.
What is a WAN ?
a)
Wide Area Network
b)
Wide Access Network
c)
Wider Allowance Networking
88.
What is a LAN?
a)
Local Area Network
b)
Local Access Network
c)
Localized Area Network
89.
What is a characteristic of a LAN?
a)
Small geographical location such as a school or small office.
b)
Really cheap to set up.
c)
Uses less cables than a star.
90.
What is a characteristic of a WAN?
a)
Uses 3rd Party Hardware, cables or satellites.
b)
All computers are really close to each other.
c)
Play games in your house on it.
91.
Which one is an advantage to networking computers.
a)
Data is easy to back up from a central server.
b)
Expensive to set up a network
c)
Complicated to maintain a network.
92.
What are two factors that affect network performance?
a)
Traffic and bandwidth
b)
Lag and ping
c)
Banter and bants
93.
What network topology is this ?
a)
BUS
b)
STAR
c)
RING
94.
What network topology is this?
a)
STAR
b)
BUS
c)
RING
95.

The person receiving the file

a)

Recipient

b)

Sender

96.

The person sending the file

a)

Recipient

b)

Sender

97.

Packets can get lost if they are sent down different routes

a)

True

b)

False

98.

Which piece of Packet Header data allows your computer to reassemble the data?

a)

Packet Number

b)

Recipient Address

c)

Size of Packet

99.

Which piece of Packet Header data ensures the packet goes to the correct computer?

a)

Packet Number

b)

Recipient Address

c)

Size of Packet

100.
In which switching method can packets be routed around  congestion?
a)
Packet switching
b)
Circuit switching
c)
Public switched networks
d)
frame switching 
101.
Which protocol is responsible for sending/receiving packets on the internet?
a)
Http
b)
Ftp
c)
IMAP
d)
TCP/IP
102.
A small portion of the original file
a)
Piece
b)
Packet
c)
Section
d)
Portion
103.

Malware is the term used to refer to a variety of hostile or intrusive software

a)

True

b)

False

104.

Malware is the term used to describe mail that is phishing for personal data.

a)

True

b)

False

105.

Select ALL the malware

a)

Worm

b)

Trojan Horse

c)

WAN

d)

Virus

106.

A computer ****** is one type of malware (malicious software) which is installed without your knowledge, with the purpose of doing harm . A ******** is a program which infects (embeds itself in) other programs or data files. It is easily spread if a user innocently sends an infected file to someone else

a)

Virus

b)

Trojan Horse

c)

WAN

d)

Worm

107.

•A ******* is a type of malware

•It is a standalone program that does need to attach itself to an existing program in order to spread

a)

Virus

b)

Trojan Horse

c)

WAN

d)

Worm

108.

•may open a “back door” into your computer system through which your personal information can be harvested.

•It can also use your computer power and network bandwidth to send thousands of spam emails to others.

a)

Virus

b)

Trojan Horse

c)

WAN

d)

Worm

109.

Which cannot self replicate?

a)

Virus

b)

Trojan Horse

c)

Worm

110.

Spyware is software that gathers information about a person or organisation without their knowledge?

a)

True

b)

False

111.

Spyware is a standalone program that does need to attach itself to an existing program in order to spread

a)

True

b)

False

112.

Which is NOT illegal

a)

Virus

b)

DDos

c)

Trojan Horse

d)

Adware

113.

Which is used by created by company's such as google and amazon?

a)

Virus

b)

DDos

c)

Trojan Horse

d)

Adware

114.

attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources.

a)

DDos

b)

Virus

c)

Service Hacker

d)

Trojan Horse

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