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

Match the following list: List I List II A. IP 1. Transmission Control Protocol B. TCP 2. Internet Protocol C. PING 3. World Wide Web D. WWW 4. Packet Internet Grape

  1. (A) 2 (B) 1 (C) 3 (D) 4

  2. (A) 2 (B) 1 (C) 4 (D) 3

  3. (A) 4 (B) 3 (C) 1 (D) 2

  4. (A) 3 (B) 1 (C) 4 (D) 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The list correctly matches common networking terms with their full forms. IP stands for Internet Protocol, TCP for Transmission Control Protocol, PING for Packet Internet Groper (misspelled as Grape in the text), and WWW for World Wide Web. Option B provides the correct sequence for these matches.

Multiple choice

In which of the following modes does the DMA controller perform DMA transfers at the fastest possible rate as long as the I/O device asserts its DMA request?

  1. Demand transfer mode

  2. Block transfer mode

  3. Single transfer mode

  4. Flyby DMA transfer

  5. Fetch-and-deposit DMA transfer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In this transfer mode, the DMA controller performs DMA transfers at the fastest possible rate as long as the I/O device asserts its DMA request.

Multiple choice

What is the role of 'Do intercept' action command for HTTP messages?

  1. This command is responsible for the interception of the request.

  2. These command allows to quickly add an interception rule to prevent future interception of messages.

  3. It displays the HTTP status code of the current request.

  4. Both (1) and (2)

  5. Both (1) and (3)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This command is used to require that the response to the currently displayed request should be intercepted.

Multiple choice

What are the resolution steps when Burp does not intercept HTTPS requests?

  1. To check the browser configuration.

  2. To install Burp's CA certificate in your browser.

  3. To request additional memory for Burp by starting Burp from the command line using the -Xmx argument.

  4. To run the Burp scanner again and again.

  5. Both (1) and (2)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the mandatory step to ensure that the browser is correctly set up.

Multiple choice

What are the tasks related to Burp Proxy for intercepting and manipulating the request?

  1. Intercept and modify all HTTP/S traffic passing in both directions.

  2. This tool manage the content and serialization of request.

  3. Burp proxy is used to test manually the requests and responses.

  4. It is used to modify the requests automatically.

  5. All of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

All are correct statements about Burp Proxy in request manipulation.