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Advance Networking

Total questions: 100

Worksheet time: 1hrs 8mins

Name
Class
Date
1.

What does OSI stand for?

a)

Open System Interconnection

b)

Open Source Interconnection

c)

Open System Interface

d)

Open Source Interface

2.

How many layers are in the OSI Model?

a)

5

b)

6

c)

7

d)

8

3.

Which layer of the OSI Model is responsible for providing end-to-end communication services for applications?

a)

Application Layer

b)

Presentation Layer

c)

Session Layer

d)

Transport Layer

4.

Which layer of the OSI Model is responsible for establishing, maintaining, and terminating connections between applications?

a)

Application Layer

b)

Presentation Layer

c)

Session Layer

d)

Transport Layer

5.

Which layer of the OSI Model is responsible for converting data into a format that can be transmitted over the network?

a)

Application Layer

b)

Presentation Layer

c)

Session Layer

d)

Transport Layer

6.

Which layer of the OSI Model is responsible for providing reliable data transfer services and error recovery?

a)

Application Layer

b)

Presentation Layer

c)

Session Layer

d)

Transport Layer

7.

Which layer of the OSI Model is responsible for routing data between networks and ensuring data integrity?

a)

Network Layer

b)

Data Link Layer

c)

Physical Layer

d)

Transport Layer

8.

Which layer of the OSI Model is responsible for providing physical addressing and flow control of data?

a)

Network Layer

b)

Data Link Layer

c)

Physical Layer

d)

Transport Layer

9.

Which layer of the OSI Model is responsible for transmitting raw bits over a physical medium?

a)

Network Layer

b)

Data Link Layer

c)

Physical Layer

d)

Transport Layer

10.

What is the main function of the Presentation Layer in the OSI Model?

a)

Data transmission

b)

Data encryption and decryption

c)

Data compression and decompression

d)

All of the above

11.

What is the main function of the Session Layer in the OSI Model?

a)

Data transmission

b)

Data encryption and decryption

c)

Establishment, maintenance, and termination of connections between applications

d)

Data compression and decompression

12.

What is the main function of the Transport Layer in the OSI Model?

a)

Data transmission

b)

Reliable data transfer and error recovery

c)

Establishment, maintenance, and termination of connections between applications

d)

Data compression and decompression

13.

What is the main function of the Network Layer in the OSI Model?

a)

Routing of data between networks

b)

Reliable data transfer and error recovery

c)

Establishment, maintenance, and termination of connections between applications

d)

Data compression and decompression

14.

What is the main function of the Data Link Layer in the OSI Model?

a)

Routing of data between networks

b)

Physical addressing and flow control of data

c)

Establishment, maintenance, and termination of connections between applications

d)

Data compression and decompression

15.

What is the main function of the Physical Layer in the OSI Model?

a)

Routing of data between networks

b)

Physical addressing and flow control of data

c)

Transmission of raw bits over a physical medium

d)

Establishment, maintenance, and termination of connections between applications

16.

What does TCP/IP stand for?

a)

Transmission Control Protocol/Internet Protocol

b)

Transfer Control Protocol/Internet Provider

c)

Transmission Control Program/Internet Provider

d)

Transfer Control Program/Internet Protocol

17.

What is the main function of the HTTP protocol in the internet?

a)

Transfer of electronic mail

b)

Transfer of web pages

c)

Transfer of files

d)

Transfer of images

18.

What is the main function of the FTP protocol in the internet?

a)

Transfer of electronic mail

b)

Transfer of web pages

c)

Transfer of files

d)

Transfer of images

19.

What is the main function of the SMTP protocol in the internet?

a)

Transfer of electronic mail

b)

Transfer of web pages

c)

Transfer of files

d)

Transfer of images

20.

What is the main function of the DNS protocol in the internet?

a)

Translation of domain names to IP addresses

b)

Transfer of web pages

c)

Transfer of files

d)

Transfer of images

21.

What is the main function of the DHCP protocol in a computer network?

a)

Dynamic allocation of IP addresses

b)

Translation of domain names to IP addresses

c)

Transfer of web pages

d)

Transfer of files

22.

What is the main function of the ARP protocol in a computer network?

a)

Translation of IP addresses to physical addresses

b)

Dynamic allocation of IP addresses

c)

Mapping of IP addresses to MAC addresses

d)

Routing of data between networks

23.

What is the main function of the ICMP protocol in the internet?

a)

Error reporting and network diagnostics

b)

Dynamic allocation of IP addresses

c)

Mapping of IP addresses to MAC addresses

d)

Routing of data between networks

24.

What is the main function of the RIP protocol in a computer network?

a)

Dynamic routing of data

b)

Error reporting and network diagnostics

c)

Mapping of IP addresses to MAC addresses

d)

Translation of domain names to IP addresses

25.

What is the main function of the BGP protocol in the internet?

a)

Inter-domain routing of data

b)

Error reporting and network diagnostics

c)

Mapping of IP addresses to MAC addresses

d)

Translation of domain names to IP addresses

26.

What is the main function of the SNMP protocol in a computer network?

a)

Network management and monitoring

b)

Error reporting and network diagnostics

c)

Mapping of IP addresses to MAC addresses

d)

Translation of domain names to IP addresses

27.

What is the main function of the Telnet protocol in the internet?

a)

Remote login and command execution

b)

Network management and monitoring

c)

Error reporting and network diagnostics

d)

Translation of domain names to IP addresses

28.

What is the main function of the SSH protocol in the internet?

a)

Secure remote login and command execution

b)

Network management and monitoring

c)

Error reporting and network diagnostics

d)

Translation of domain names to IP addresses

29.

What is the main function of the RDP protocol in a computer network?

a)

Remote desktop control and display

b)

Secure remote login and command execution

c)

Network management and monitoring

d)

Error reporting and network diagnostics

30.

What is the main function of the VPN protocol in a computer network?

a)

Secure communication over public networks

b)

Remote desktop control and display

c)

Network management and monitoring

d)

Error reporting and network diagnostics

31.

This refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to exchange data.

a)

Overview

b)

Data Communication & Computer Network

c)

Network LAN Technologies

d)

Computer Network Technologies

32.

What does LAN stand for?

a)

Local Area Network

b)

Locale Area Network

c)

Land Area Network

d)

Local Area News

33.

Components of a network can be connected to each other differently in some fashion, this is called what?

a)

Inter-Connectivity

b)

Geographical Span

c)

Administration

d)

Network Architecture

34.

_____ is a widely deployed LAN technology, it was standardized in IEEE 802.3 in 1980.

a)

Internet

b)

Aether Net

c)

Internet Explorer

d)

Ethernet

35.

This technology was invented by _____ and _____ in the year 1970, a network which uses shared media has high probability of data collision.

a)

Bob Metcalfe and D.R Boggs

b)

Bob Methcalfe and D.R Boggers

c)

Bab Metcalf and B.R Bogs

d)

Bob Methcat and D.R Boggs

36.

What is a solution to divide a single Broadcast domain into multiple Broadcast domains?

a)

Giga-Ethernet

b)

Ethernet

c)

Fast-Ethernet

d)

Virtual LAN

37.

A _____ is the arrangement with which computer systems or network are connected to each other.

a)

Bus Topology

b)

Star Topolog

c)

Ring Topology

d)

Network Topology

38.

Which define Bus Topology?

a)

all devices share single communication line or cable, this may have problem while multiple hosts sending data at the same time

b)

all hosts are connected to a central device, known as hub device, using a point-to-point connection

c)

each host machine connects to exactly two other machines, creating a circular network structure

d)

this type of topology, a host is connected to one or multiple hosts, this topology has hosts in point-to-point connection with every other host or may also have hosts which are in point-to-point connection to few hosts only

39.

All hosts in _____ are connected to a central device, known as hub device, using a point-to-point connection.

a)

Ring Topology

b)

Mesh Topology

c)

Bus Topology

d)

Star Topology

40.

In _____, each host machine connects to exactly two other machines, creating a circular network structure.

a)

Ring Topology

b)

Star Topology

c)

Mesh Topology

d)

Bus Topology

41.

This is a type of topology; a host is connected to one or multiple hosts.

a)

Mesh Topology

b)

Ring Topology

c)

Star Topology

d)

Bus Topology

42.

This is also known as Hierarchical Topology; this is the most common form of network topology in use presently.

a)

Ring Topology

b)

Star Topology

c)

Mesh Topology

d)

Tree Topology

43.

This topology connects all the hosts in a linear fashion, similar to Ring Topology. All hosts are connected to two hosts only, expect the end hosts. Means, if the end hosts in daisy chain are connected then it represents Ring Topology.

a)

Dandelion Chain

b)

Rose Chain

c)

Tulip Chain

d)

Daisy Chain

44.

A network structure whose design contains more than one topology is said to be _____.

a)

Mesh Topology

b)

Bus Topology

c)

Ring Topology

d)

Hybrid Topology

45.

What is the open standard for all communication systems, this model is established by International Standard Organization?

a)

Internet Model

b)

Layered Tasks

c)

Link Layer

d)

Open System Interconnect Model

46.

Traditional Ethernet uses _____ specifications

a)

100 MBPS

b)

100BASE-T

c)

100BASE-FX

d)

10BASE-T

47.

_____ networks contain exactly two hosts such as computer, switches or routers, servers connected back-to-back using a single piece of cable.

a)

Point Blank

b)

Direct

c)

Twisted Pair

d)

Point-to-Point

48.

This topology connects all the hosts in a linear fashion it is called?

a)

Direct Chain

b)

Flow Chain

c)

Linear Chain

d)

Daisy Chain

49.

_____ is a layer that defines how data in the native format of remote hosts.

a)

Application Layer

b)

Presentation Layer

c)

Session Layer

d)

Transport Layer

50.

This layer maintains sessions between remote hosts, for example once user/password authentication is done, the remote host maintains this session for a while and does not ask for authentication again in that span.

a)

Session Layer

b)

Transport Layer

c)

Network Layer

d)

Data Link Layer

51.

_____ the layer is responsible for end-to-end delivery between hosts.

a)

Physical Layer

b)

Data Link Layer

c)

Network Layer

d)

Transport Layer

52.

This layer is responsible for address assignment and uniquely addressing hosts in a network, this is called?

a)

Network Layer

b)

Data Link Layer

c)

Physical Layer

d)

Transport Layer

53.

Layer that defines the hardware, cabling wiring, power output, pulse rate and etc. this is called?

a)

Data Link Layer

b)

Network Layer

c)

Transport Layer

d)

Physical Layer

54.

The physical connection between networked computing devices is established using either _____.

a)

written letter

b)

package delivery

c)

text messages

d)

cable media or wireless media

55.

_____ is a complicated task, which involves software, firmware, chip level engineering, hardware, and electric pulses.

a)

Network Addressing

b)

Error Controlling

c)

Code Developing

d)

Networking Engineering

56.

To ease network engineering, the whole networking concept is _____.

a)

multiply into different layers

b)

add into multiple layers

c)

subtract into different layers

d)

divided into multiple layers

57.

Layers share data between them and they depend on each other only to take _____.

a)

note of codes and messages

b)

audio encoded files

c)

encryptions

d)

input and send output

58.

The internet hugely connects all _____s and it can have connection to _____s and Home networks.

a)

WAN & LAN

b)

QRC & ICP

c)

TCP & IP

d)

FTP & DCN

59.

This interconnection among computers facilitates information sharing among them. Computers may connect to each other by either _____.

a)

wired or wireless media

b)

parallel computing

c)

geographical span

d)

inter-connectivity

60.

Ethernet uses _____ technology to detect collisions.

a)

Carrier Sense Multi Access/Collisions Detection (CSMA/CD)

b)

Carrier Security Multi Access/Collision Detection (CSMA/CD)

c)

Carrier Sense Multi Assessment/Collisions Detection (CSMA/CD)

d)

Carrier Sense Main Access/Collisions Detection (CSMA/CD)

61.

What is the primary component that allows multiple devices to communicate in a computer network?

a)

Switch

b)

Router

c)

Modem

d)

Hub

62.

What component of a computer network provides access to the internet?

a)

Switch

b)

Router

c)

Modem

d)

Hub

63.

What component of a computer network is used to connect two different types of networks, such as a LAN and WAN?

a)

Switch

b)

Router

c)

Modem

d)

Hub

64.

What component of a computer network is used to connect devices within a local network and provide basic connectivity?

a)

Switch

b)

Router

c)

Modem

d)

Hub

65.

What component of a computer network allows devices to communicate wirelessly?

a)

Switch

b)

Router

c)

Modem

d)

Wireless Access Point

66.

What component of a computer network is used to increase the number of devices that can be connected to a network?

a)

Switch

b)

Router

c)

Modem

d)

Hub

67.

What component of a computer network is used to control network traffic and improve network performance?

a)

Switch

b)

Router

c)

Modem

d)

Hub

68.

What component of a computer network is used to provide a secure connection between a remote device and a network?

a)

Firewall

b)

Router

c)

Modem

d)

Hub

69.

What component of a computer network is used to connect a computer to a telephone line?

a)

Switch

b)

Router

c)

Modem

d)

Hub

70.

What component of a computer network is used to connect multiple networks together and enable communication between them?

a)

Router

b)

Switch

c)

Modem

d)

Hub

71.

Discuss the different types of network topologies, including advantages and disadvantages of each.

4 lines
72.

What are the key benefits and limitations of wireless networks compared to traditional wired networks?

4 lines
73.

Explain the basic functioning of Bluetooth technology, including its role in the modern connected world.

4 lines
74.

Compare and contrast the different generations of mobile networks, including 3G, 4G, and 5G, and explain their respective impact on the development of mobile communication.

4 lines
75.

Discuss the various applications of wireless networks, including Wi-Fi, mobile data, and the Internet of Things (IoT), and explain how they are changing the way people communicate and access information.

4 lines
76.

Discuss the security challenges facing wireless networks and explain the various measures that can be taken to ensure the security and privacy of network communications.

4 lines
77.

Which single digit has the highest value in the hexadecimal number system?

a)

H

b)

G

c)

9

d)

F

78.

NUMBER SYSTEM WHOSE BASE IS 8

a)

DECIMAL

b)

BINARY

c)

OCTAL

79.

Convert 65 to binary

a)

01100001

b)

00100001

c)

01000001

d)

00110101

80.

Decimal number system has

a)

Eight digits (0 to 7)

b)

Ten digits (0 to 9)

c)

Sixteen digits (0 to F)

d)

There is no such thing as a decimal number system

81.
Binary = 0100 1010 0011 1101
Hex = ?
a)
43AD
b)
4A3D
c)
D3A4
d)
3A4D
82.
Convert the binary number 11101011 to Hex
a)
EA
b)
EB
c)
BA
d)
BC
83.
Convert the hexadecimal number C9 to binary
a)
1100 1001
b)
1100 1000
c)
1100 1010
d)
1100 0101
84.

Why is hexadecimal used by humans (tick all that apply)

a)

It is easier to read

b)

it takes up less space on the page/screen

c)

It is easier to type

d)

It saves space on the computer

85.

What is the decimal equivalent of the hexadecimal number 4B?

a)

75

b)

180

c)

31

d)

255

86.

What is C in binary?

a)

1100

b)

1110

c)

1000

d)

1010

87.

What is 11011 in hexadecimal?

a)

A

b)

1A

c)

1B

d)

2A

88.

What is 1010 in hexadecimal?

a)

C

b)

A

c)

10

d)

B

89.

What is 8 in octal?

a)

10

b)

8

c)

1000

d)

A

90.

What is D in decimal?

a)

11

b)

19

c)

12

d)

13

91.

What is 1101101 in decimal?

a)

109

b)

95

c)

104

d)

113

92.

What is 25 in binary?

a)

10101

b)

11011

c)

10011

d)

11001

93.

What is 12 in binary?

a)

1010

b)

1100

c)

1110

d)

0111

94.

What is 111 +110?

a)

1100

b)

1101

c)

1110

d)

1111

95.

What is 1 + 1 in binary?

a)

10

b)

01

c)

11

d)

2

96.

What is 1001 binary number in denary?

a)

8

b)

9

c)

10

d)

11

97.

What is 23 in binary

a)

10101

b)

10110

c)

10111

d)

11000

98.

What are the first 6 powers in binary?

a)

0, 2, 4, 8, 12, 32

b)

1, 2, 4, 8, 16, 31

c)

1, 2, 6, 8, 16, 32

d)

1, 2, 4, 8, 16, 32

99.

What kind of 'base' system is binary known as?

a)

Base 12

b)

Base 8

c)

Base 2

d)

Base 10

100.
True or False: The binary number for a capital 'A' is the same as the binary number for a lower-case 'a'?
a)
True
b)
False

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