Computer Network Questions for IBPS RRB PO and Clerk Mains 2019

1.

What does DDoS stand for?

   A.) Data Denial-of-Service
   B.) Distributed Denial-of-Service
   C.) Distributed Data of Server
   D.) Distribution of Data Service

Answer: Option 'B'

Distributed Denial-of-Service (DDoS) attack is a type of attack that is carried out by using multiple computers. These DDoS attacks aim at targeting computer networks of an organisation, such as Digital Subscriber Line (DSL) and cable.

2.

Which of the following component is a part of RAM?

   A.) Magnetic cores
   B.) Micro-Processors
   C.) Photoelectric cells
   D.) Floppy disks

Answer: Option 'A'

Magnetic-core memory was the predominant form of random-access computer memory for 20 years between about 1955 and 1975. Such memory is often just called core memory, or, informally, core.

3.

In which of the following scenarios does Network congestion occur?

   A.) in case of a node termination
   B.) when a system terminates
   C.) when connection between two nodes terminates
   D.) in case of traffic overloading

Answer: Option 'D'

Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.

4.

What is a hyperlink?

   A.) It is a text or image that you can click on to jump to a new document/page.
   B.) It is an input type for multimedia files.
   C.) It is a collection or directory of web pages.
   D.) It is the home page of a site.

Answer: Option 'A'

​It is a text or image that you can click on to jump to a new document/page.

5.

Which of the following statements is false in the context of client/server network?

   A.) It is expensive to set up.
   B.) It requires a specialized server.
   C.) It is a slow network.
   D.) It is highly secure.

Answer: Option 'C'

The client/server network contains a centralised server that manages and controls all the other nodes of the network. It is expensive as it requires NOS and a specialized server system. It is highly secure and processes good speed. However, it becomes congested when more clients simultaneously request for a service to the server.

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