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

What is the full form of NIC?

  1. New Internet Connection

  2. Network Interface Card

  3. Network Information Card

  4. Network Interface Connection

  5. Net Interface Card
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The full form of NIC is Network Interface Card.

Multiple choice

Four modes of wireless communication are given below:

  1. Bluetooth
  2. FM radio
  3. Wi-Fi
  4. Infrared

Compare the ranges of the given modes of wireless applications.

  1. 2 > 3 > 4 > 1

  2. 3 > 2 > 1 > 4

  3. 3 > 2 > 4 > 1

  4. 2 > 3 > 1 > 4
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The correct order of ranges of the modes of wireless applications is 2 > 3 > 1 > 4 with FM radio (~100 km) having the highest range followed by Wi-Fi (100m), bluetooth (10 m) and IR having the lowest range (with in a room).

Multiple choice

Which of the following is not a characteristic of wireless LAN?

  1. It uses the concept of one access point.

  2. The data generally breaks up into packets.

  3. Channel access is shared.

  4. Very high speed for all applications
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is incorrect as it cannot support very high data rates. So, generally video transmission is not good on WLAN.