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

Which of the following statements is/are true about Network Level Attack? i. This attack generally makes an attempt to either slowdown or completely bring to halt an computer network. ii. It can automatically lead to application level attack. iii. Virus can cause network level attack only.

An unauthorized user X sends too many login requests to a server Susing random user id's one after other in quick succession, so as to flood the network and deny the network access of all other legitimate users.

  1. only i

  2. only ii

  3. i and iii

  4. ii and iii

  5. i and ii
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Both i and ii are correct statements. 

Multiple choice

Which interface transmits one bit at a time?

  1. Parallel

  2. SCSI

  3. Serial

  4. Fire Wire

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is a socket on computer used to connect modem or other devices through a serial interface. It provides very slow speed.

Multiple choice

The fileservers provide all the features provided by a local file system on a computer along with additional features.

  1. back up

  2. security and access control

  3. both1& 2

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

Fileservers provide local file system features including backup capabilities and security/access control mechanisms. Option A covers backup, while option B covers security. Option C correctly identifies that fileservers provide both features.