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

Which Network is a Packet switching network?

  1. Ring network

  2. LAN

  3. Star network

  4. Euro net
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Euronet was an early packet-switched network established in Europe during the 1970s. The other options (Ring, LAN, Star) describe network topologies or types, not specific packet-switching networks.

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

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.