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

Which of the following characteristics in ATM network can be defined as the maximum number of cells that can be submitted by a source back-to-back at peak cell rate?

  1. Peak cell rate

  2. Sustained cell rate

  3. Maximum burst size

  4. Preventive congestion control

  5. Reactive congestion control
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This characteristic in ATM network can be defined as the maximum number of cells that can be submitted by a source back-to-back at peak cell rate.

Multiple choice

Which of the following optical fiber cables cover(s) a distance of about 1500 km in length and offer(s) a higher capacity that supports about 20,000 to 60,000 voice channels?

  1. Metropolitan trunking

  2. Rural exchange trunks

  3. Long-haul transmission

  4. Subscriber loop circuits

  5. Wireless transmission
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This optical fiber cable covers a distance of about 1500 km in length and offers a higher capacity that supports about 20,000 to 60,000 voice channels.

Multiple choice

Expand the term 'modem'.

  1. Modulator Demodulator

  2. Modern Machines

  3. Modern Electronic Methods

  4. Modern Emulations
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Correct answer is (1). 

Multiple choice

A network which connects internet and other network services and technologies is known as

  1. gateway

  2. multiplexer

  3. information superhighway

  4. information technology
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Information superhighway is a large-scale communications network providing a variety of often interactive services, as text databases, email, and audio and video materials, accessed through computers, television sets, etc. A gateway is a network point that acts as an entrance to another network.