Computer Knowledge

Computer Networks

2,095 Questions

Computer networks form the backbone of digital communication, connecting multiple devices to share data and resources. This area covers network architectures, transmission media, modems, and topologies like LAN. These concepts are crucial for computer knowledge sections in banking and government exams.

Network topologiesModulation and demodulationNetwork addressingFiber optic cablesWireless infrastructure

Computer Networks Questions

Multiple choice

Before transmission, data must be transformed into

  1. electromagnetic signal

  2. packets

  3. power of 2

  4. modulated data

  5. none of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Transmission medium can carry only signals so any data must be converted into electromagnetic signal.

Multiple choice

The full form of MAN is

  1. mini area network

  2. metropolitan area network

  3. medium area network

  4. mega area network

  5. none of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

MAN stands for metropolitan area network.it covers a city for example a television network.

Multiple choice

What is the best possible definition of subnetting?

  1. Partitioning of a single physical network into more than one smaller logical sub-networks

  2. Combining two different networks to form a much more larger network

  3. Reducing the size of the given network without divisioning

  4. Forming a bridge between two different adhoc networks

  5. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Subnetting is the process of dividing the given network(the ip address range) into multiple logical networks.

Multiple choice

Which network worked as the basis for the Internet?

  1. NICNET

  2. UNIX

  3. HTTP

  4. ERNET

  5. ARPANET
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

ARPANET was the network that became the basis for the Internet. Based on a concept first published in 1967, ARPANET was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA). In 1969, the idea became a modest reality with the interconnection of four university computers.

Multiple choice

Which of the following statements is/are false?

  1. Packet switching is a connectionless service.

  2. Packet switching is an expensive technique than circuit switching.

  3. Video signals can also be sent by packet switching technique.

  4. Circuit switching is more reliable than packet switching.

  5. All the above are true
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is false statement as circuit switching is expensive than packet switching as it is based on the old version.

Multiple choice

What is a gateway in networking?

  1. It is a logical group of the connected network devices which are called segments.

  2. It is an electronic device and used to connect the source and destination by using packet forwarding technique.

  3. It is a device used to connect two networks based on the different protocols.

  4. It is used to receive the incoming signals and retransmit them as their original length.

  5. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, this is the definition of the gateway.

Multiple choice

Which of the following wireless network categories shows master-slave relationship?

  1. Wireless LANs

  2. Wireless WANs

  3. System interconnection

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In system interconnection category of wireless network, there will be a system, which acts as a master and all of its interconnected parts such as mouse, keyboard are called slave, so it is called master-slave paradigm. In this, a master is responsible for managing all the activities like broadcasting time, frequency limit etc.