Computer Knowledge

Computer Networks

2,614 Questions

Computer networks involve the architecture, protocols, and security measures used for digital communication. This collection covers OSI model layers, IP addressing, data transmission, and cryptographic standards. These concepts are vital for the computer knowledge sections of banking and government exams.

OSI model layersNetwork protocolsIP subnet maskingData encryption standardsServer configurationsNetwork commands

Computer Networks Questions

Multiple choice

What is IRC?

  1. Internet Relay Channel

  2. Internet Respond Channel

  3. Internet Relay Chat

  4. Internet Response Cache
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

IRC stands for Internet Relay Chat, a protocol for real-time text messaging. It was created in 1988 and predates modern instant messaging applications. IRC uses a client-server model where users connect to servers and join channels (chat rooms) for group discussions.

Multiple choice

Which of the following is not a network command?

  1. Ping

  2. Winipcfg

  3. Netcfg

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

Ping, Winipcfg (Windows IP Configuration), and Tracert (Trace Route) are all standard Windows network diagnostic commands. 'Netcfg' is not a standard Windows network command - it may be confused with 'netsh' or 'ipconfig'. The correct network utilities are ping, tracert, ipconfig, winipcfg, netstat, etc.

Multiple choice

The word FTP stands for

  1. File Translate Protocol

  2. File Transit Protocol

  3. File Typing Protocol

  4. File Transfer Protocol

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice

Which of the following levels in X.25 network deals with the physical interface between an attached station and the link which attaches that station to the packet switching node?

  1. Data link level

  2. Physical level

  3. Network level

  4. Packet level

  5. Application level
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This level in X.25 network deals with the physical interface between an attached station and the link which attaches that station to the packet switching node.

Multiple choice

HTTP can be expanded to

  1. Hyper Text Transport Protocol

  2. Hyper Text Transfer Protocol

  3. Hyper Text Translation Protocol

  4. Hyper Test and Text Programming
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 Option 2 is correct.

Multiple choice

Choose the correct abbreviation.

IP

  1. Internal Protocol

  2. Internet Protocol

  3. Internet Packets

  4. Internet Pixels
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

IP stands for Internet Protocol - the set of rules governing how data is sent across the internet. It's called 'Internet' because it operates on internet networks, and 'Protocol' because it defines communication rules between devices.

Multiple choice

Choose the correct abbreviation.

VPN

  1. Virtual Play Network

  2. Visual Private Network

  3. Virtual Private Network

  4. Visual Proxy Network
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

VPN stands for Virtual Private Network, which creates a secure encrypted connection over a public network. The other options mix up the words incorrectly - Play and Visual are not part of the VPN acronym.

Multiple choice

HTTP is the abbreviation of

  1. Hyper Text Transmission Protocol

  2. Hyper Text Transfer Protocol

  3. Hyper Termination Text Protocol

  4. Hyper Terminal Transfer Pool
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

HTTP stands for Hyper Text Transfer Protocol, which is the foundation of data communication on the World Wide Web. It defines how messages are formatted and transmitted between web servers and browsers. 'Transmission' (A) is incorrect - the word is 'Transfer'. 'Termination' (C) and 'Terminal'/'Pool' (D) are not part of the HTTP acronym.