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

Which of the following is an incorrect statement about the DHCP (Dynamic Host Configuration Protocol) server security?

  1. It allows both manual IP address assignment and automatic assignment.

  2. It describes RFCs.

  3. DHCP works for multi-threaded domain.

  4. It requires manual configuration of tables mapping IP address to ethernet address.

  5. It is a good replacement of RARP and BOOTP protocols.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DHCP does not perform this mapping and BOOTP protocol can do this mapping.

Multiple choice

______ contains the physical network hardware addresses.

  1. Hardware address length

  2. Protocol address length

  3. Operation code

  4. Source/target hardware address

  5. Source/target protocol address
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This part in ARP request/reply packet contains the physical network hardware addresses.