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

What kind of service is SMDS (Switched Multimegabit Data Service)?

  1. Simple connectionless packet delivery service

  2. Simple connection-oriented bit delivery service

  3. Simple connection-oriented packet delivery service

  4. Simple connectionless bit delivery service

  5. Simple connectionless byte delivery service
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

SMDS is a connectionless service packet delivery service.

Multiple choice

In an ATM network, which of the following define(s) the roll of VCI tables in that network?

  1. It maps all the VPI & VCI of an incoming cell to an output VCI.

  2. It maps all the VPI & VCI of an outgoing VPI & VCI cells to gateway of ATM cell to an output VCI.

  3. It performs the switch management of ATM.

  4. Both 1 and 2

  5. It is used for temporary storage of data.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Roll of VCI tables is to map all the VCI & VPI of an incoming cell to output VCI.

Multiple choice

In which of the following techniques, it would not be nessessry to connect to the remote server next time when the document is requested, because it stores the retrieved document in a local file?

  1. Caching

  2. Stratification

  3. Temporary intercession

  4. Function proxy

  5. NIO
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In this technique, it would not be necessary to connect to the remote server next time that the document is requested, because it stores the retrieved document in a local file.

Multiple choice

In which of the following technologies do ordinary application programs deal directly with networking instead of indirectly with networking through application support?

  1. Direct networking

  2. Simple networking

  3. Separate networking

  4. Remote bridge

  5. Standard application support
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In this technology, ordinary application programs deal directly with networking instead of indirectly with networking through application support.

Multiple choice

The machines used to connect different networks are called

  1. gateways

  2. gates

  3. connectors

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

A gateway is a network node that connects two networks using different protocols or architectures. It acts as a 'gate' between the two networks, translating data so it can be understood by the destination network.

Multiple choice

The collection of interconnected networks is called

  1. LAN

  2. inter-network

  3. MAN

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

An inter-network (or internetwork) is formed by connecting multiple distinct computer networks together using gateways or routers. The most well-known example of an inter-network is the global Internet.

Multiple choice

Most networks are organised as a series of

  1. machines

  2. computers

  3. layers

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

 Most networks are organized as a series of layers. At the lowest layer physical communication take place and at higher layer virtual communication happens.

Multiple choice

The purpose of each layer in a network is to offer services to ____ layers.

  1. lower

  2. higher

  3. middle

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

In a layered network architecture (like OSI or TCP/IP), each layer is designed to provide specific services to the layer immediately above it. This abstraction allows higher layers to function without needing to know the implementation details of the lower layers.