Computer Knowledge

Computer Networks

2,256 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

Transmission and presentation of text and graphics is called

  1. Tele-text

  2. Network

  3. Telematique

  4. Video text
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Videotext (or Videotex) refers to systems that provide interactive information services, typically displaying text and simple graphics on a screen, often via telephone lines or broadcast signals.

Multiple choice

The frames are transmitted

  1. sequentially

  2. randomly

  3. both (1) and (2)

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Frames are transmitted sequentially over the physical medium to ensure they can be reassembled and processed in the correct order by the receiver.

Multiple choice

Access control in shared channel is done by

  1. physical layer

  2. data link layer

  3. network layer

  4. medium access sublayer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Medium Access Control (MAC) sublayer, which is part of the data link layer, handles access to the shared transmission medium.

Multiple choice

Flow regulation is done in the

  1. physical layer

  2. data link layer

  3. network layer

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Flow control is a primary function of the data link layer, ensuring that a fast sender does not overwhelm a slower receiver.