Computer Network MCQs | For Online Test Preparation

Most important Computer Network MCQs (Multiple Choice Questions) solved with Answers for  Online Test Preparation of NTS Computer Test, KPPSC Test Preparation, Computer Science Lecturer Test, Subject Specialist, ETEA, ATS, and Computer Operator Test. Most important Networking MCQs are given with answers.  

Computer Network MCQs

These Computer Network Multiple Choice Questions cover important topics and concepts related to Data Communication and Networking. These topics include Introduction to Computer Network, Types of Data communication, OSI Model MCQs, Layers of OSI Model, Transmission Media MCQs, etc. 

Computer Network MCQs for Online Test Preparation

1:Most networks are distributed processing in which a task is divided among multiple___________.

  • a) Transmission Medium 
  • b) Computers 
  • c) Receivers 
  • d) Senders

b) Computers

2: A multipoint connection is one in which more than two specific devices share a____

  • a) Single link
  • b) Satiation 
  • c) Hub 
  • d) Router 

a) Single link

3:  LAN stands for _________

  • a) Long Area Network
  • b) Local Area Network
  • c) Local Array Network
  • d) Link Area Network

b) Local Area Network

4:VPN stands for ________________.

  • a) Virtual Processor Network
  • b) Viral Private Network
  • c) Virtual Private Network
  • d) Virus Protection Network

c) Virtual Private Network

5: A computer _____ is a group of two or more interconnected computer systems.

  • a) Network
  • b) Hardware
  • c) Software
  • d) Operating System

a) Network

6: Coaxial cable, twisted-pair wire, and optical fiber cable are known as ________.

  • a) Routers
  • b) Ports
  • c) Transmission Media
  • d) Switches

c) Transmission Media

7: _______ help you to connect with multiple networks.

  • a) Switches
  • b) Hub
  • c) Routers 
  • d) Clients

c) Routers

8: ________ allow devices to connect to the wireless network without cables.

  • a) Twisted-pair wire
  • b) Optical fiber
  • c) Access points
  • d) Coaxial cable

c) Access Points

9:  Every device of the network is associated with a unique device, which is called ________.

  • a) Hostname
  • b) IP Address
  • c) Link
  • d) Port

a) Hostname

10: Address Resolution Protocol (ARP) which helps network users to convert the IP address into its corresponding_________.

  • a) MAC Address
  • b) Physical Address
  • c) IP Address
  • d) None of the above

a) MAC Address

Network Multiple Choice Questions

11:Computer network_____________ defines the physical and logical framework of a computer network.

  • a) Size
  • b) Design
  • c) Architecture
  • d) Type

c) Architecture

12: A bus network topology is when every network node is directly connected to a ________________.

  • a) Hub
  • b) Main cable
  • c) Single central hub
  • d) None of these

b) Main cable

13: A Bus topology is: 

  • a) Point-to-point Connection 
  • b) Multi-point Connection 
  • c) Both a and b
  • d) None of above 

a) Point-to-point Connection

14: The OSI Model was first introduced in_________.

  • a) 1950 
  • b) 1960
  • c) 1965 
  • d) 1970 

d) 1970

15: The ___________ coordinates the functions required to carry a bit stream over a physical medium.

  • a) Data Link Layer
  • b) Physical Layer
  • c) Network Layer 
  • d) Transport Layer 

b) Physical Layer

16: Which layer of the OSI Model is responsible for process-to-process delivery?

  • a) Transport Layer
  • b) Network Layer
  • c) Session Layer 
  • d) Presentation Layer 

a) Transport Layer

17: Which of the following type of address is necessary for universal communication?

  • a) Physical Adress
  • b) Logical Adress 
  • c) Link Adress
  • d) All of these 

b) Logical Adress

18:The ___________ maintain and synchonize the interaction among communication system.

  • a) Application Layer 
  • b) Data Link Layer 
  • c) Session Layer 
  • d) Application Layer 

c) Session Layer

19: The analog data refers to information that is:

  • a) Discreates states
  • b) Continous 
  • c) Both 
  • d) None 

b) Continous

Computer Network Online Test Preparation

20: The range of frequencies contained in a composite signal is its______.

  • a) Composite signal 
  • b) Frequency 
  • c) Phase 
  • d) Bandwith 

d) Bandwith

21: Loss of energy when signal travel through a medium is called________.

  • a) Attenuation 
  • b) Noise 
  • c) Shannon capicity 
  • d) Throughput 

a) Attenuation

22: Which of the following can impair a signal?

  • a) Attenuation 
  • b) Distortion 
  • c) Noise 
  • d) All of these 

d) All of these

23: The process of converting digital data into digital signals is known as:

  • a) Block Coding
  • b) Scrambling 
  • c) Line Coding 
  • d) Pulse Code Modulation

c) Line Coding

24: The set of techniques that allows the simultaneous transmission of multiple signals across s single data link is called_________.

  • a) Multiplexing 
  • b) Speed Spectrum 
  • c) Frequency Hopping 
  • d) None of these 

a) Multiplexing

25: Spread spectrum is designed to be used in _________ .

  • a) Optical Fiber
  • b) Co-axil Cables
  • c) Wireless Applications 
  • d) All of these 

c) Wireless Applications

Important Questions of Computer Network

26: Anything that can carry information from a source to destination is called________.

  • a) Modem 
  • b) Sender 
  • c) Reviever 
  • d) Transmission Medium 

d) Transmission Medium

27: Twisted-pair cables, fiber-optic cables are good examples of:

  • a) Guided Media 
  • b) Unguided Media 
  • c) Wireless Media 
  • d) None of above 

a) Guided Media

28: ___________ are used for cellular phone, satellite and wireless LAN.

  • a) Infrared Wave
  • b) Radio Wave
  • c) Microwaves 
  • d) None of these 

c) Microwaves

29: A__________ consist of a set of switchess connected by physical links.

  • a) Message-Switched Network 
  • b) Packet-Switched Network 
  • c) Virtual-Circuit Network
  • d) Circuit-Switched Networkk

d) Circuit-Switched Netwrok

30: Circuit switching takes place at the ____________.

  • a) Physical Layer 
  • b) Transport Layer 
  • c) Session Layer 
  • d) Application Layer 

a) Physical Layer

Important MCQs of Computer

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