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 statements is/are incorrect about the HTTP proxy?

  1. HTTP proxy works as an interface for the web page and the server.

  2. It is used to speed up access to web pages.

  3. When the HTTP proxy forwards the request from the client to web server, then the location and identity of the computer making the original request is known to the web server.

  4. HTTP proxy can be used for networking applications.

  5. Both (2) and (3)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is incorrect as the location and identity of the computer making the original request is not known to the web server. It is confidential.

Multiple choice

Which of the following statements is/are correct about transparent proxy server?

  1. A transparent proxy server is like a caching server.

  2. In this proxy server, the client does not have the information about the proxy server.

  3. This proxy server is useful where the client side configuration is not easy.

  4. This type of server is also used in ISP's to reduce the load on the bandwidth usage.

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

All are the correct statements about transparent proxy server.

Multiple choice

Which of the following is/are applicable for the SOCKS proxy?

  1. It is a general purpose proxy server that establishes a TCP connection to another server on behalf of a client.

  2. It routes all the traffic back and forth between the client and the server.

  3. SOCKS server does not interpret the network traffic between client and server in any way.

  4. All of the above

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

All are the correct statements.

Multiple choice

Which of the following statements is/are correct?

  1. HTTP proxy does understand and interpret the network traffic that passes between the client and downstream servers.

  2. HTTP proxy can only be used to handle HTTP traffic.

  3. HTTP proxy can recognise often repeated requests and cache the replies to improve performance.

  4. All of the above

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

These are the correct statements.

Multiple choice

Which of the following statements is/are incorrect about name resolutions when using a proxy?

  1. Do DNS name lookup at proxy end configuration option allows to access the private network.

  2. WinSCP will always do its own DNS, and will always pass an IP address to the proxy.

  3. WinSCP will do something it considers appropriate for each type of proxy.

  4. The name resolution is not possible in proxies.

  5. Only (3) and (4).
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is false as the name resolution is necessary while using proxies.

Multiple choice

Which of the following is/are applicable for Ping broadcast attack in hacking?

  1. In this attack, a ping request packet is sent to a broadcast network address where there are many hosts.

  2. The source address is shown in the packet to be the IP address of the computer to be attacked.

  3. This attack may cause some network delay with lot of ping traffic.

  4. All of the above

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

All are correct statements about Ping broadcast attack.

Multiple choice

Which of the following is/are applicable for Teardrop attack in hacking?

  1. In this attack, a ping request packet is sent to a broadcast network address where there are many hosts.

  2. In this attack, one packet in the network may cause the overlappings in the existing packet.

  3. This attack may cause an unexpected error condition to occur on the victim host.

  4. All of the above

  5. Both (2) and (3)
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

These are correct statements about Teardrop attack in hacking.

Multiple choice

What is the full form of OSI?

  1. Open System Interface

  2. Open System Interconnection

  3. Oldest System Interface

  4. Omnipresent System Interface
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

OSI stands for Open Systems Interconnection, which is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.

Multiple choice

What is the full form of DNS?

  1. Dominant Name System

  2. Domain Number System

  3. Domain Neurons System

  4. Domain Name System
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Domain Name System (DNS) is the hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.

Multiple choice

Directions: What is the full form of the abbreviations given in bold:

TCP

  1. Transmission Control Protocol

  2. Transmission Control Process

  3. Transmission Control Program

  4. Transmission Control Product
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite. It provides reliable, ordered, and error-checked delivery of a stream of octets between applications running on hosts communicating via an IP network.

Multiple choice

The full form of TCP is

  1. Treaty Council Protection

  2. Town and County Planning

  3. Town and Council Protection

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the context of urban planning, TCP often refers to Town and Country Planning.

Multiple choice

TCP/IP is an example of:

  1. a networking protocol

  2. a 4th generation computer language

  3. a database model

  4. a computing environment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

TCP/IP (Transmission Control Protocol/Internet Protocol) is the fundamental suite of communication protocols used to interconnect network devices on the internet.