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
  1. translation of computer name into IP address

  2. control of storage of incoming messages

  3. workstations to find their IP addresses dynamically

  4. error and congestion control

  5. execution of BIOS

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bootstrap protocol is an internet protocol. When a network device connects to a configuration server, an IP address is automatically assigned to the device.

Multiple choice
  1. X is class A, Y is class B, Z is class C.

  2. X is class C, Y is class A, Z is class B.

  3. X is class C, Y is class B, Z is class A.

  4. X is class A, Y is class C, Z is class B.

  5. X is class B, Y is class C, Z is class A.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Y belongs to class B as its first octal is 168 which belongs in range of class BZ that belongs to class A.

Multiple choice
  1. 127.0.0.1

  2. 0.0.0.0

  3. 255.0.0.0

  4. 0.0.0.255

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Loopback IPv4 address has default 1st byte as 127. It is represented as 127.x.x.x where x can be in the range of 0-255. Loopback IP address are generally used to test working of computer/networking devices in a computer network.

Multiple choice
  1. TCP

  2. UDP

  3. RUDP

  4. ARP

  5. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The function of FTP is to transfer files between user computers/devices. Hence,  it must be reliable and data must reach to destination without any loss. Hence, it uses TCP, which provides reliability, loss-less data transmission. Where as UDP is unreliable and is not suitable for reliable file transmission.

Multiple choice
  1. IP

  2. X.25

  3. SONET

  4. SDH

  5. ARPANET

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

SWIFT moved to its current IP network infrastructure, known as SWIFTNet, from 2001 to 2005 providing a total replacement of the previous X.25 infrastructure