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

Packetisation of messages

  1. is an encryption mechanism that enforces network security

  2. helps prevent a single sender from monopolizing a shared communication link for an arbitrary amount of time

  3. is an algorithm for data encoding in the physical layer

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

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Multiple choice

PCI standard backplane bus uses

  1. daisy chain arbitration

  2. centralised, parallel arbitration

  3. distributed arbitration by self-selection

  4. distributed arbitration by collision-detection
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

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Multiple choice

RS-422 standard

  1. uses differential voltage to send data

  2. supports longer distances

  3. uses HSKO/HSKi signals

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

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