Railway Science (Computer – Internet)

Total Questions: 12

1. Which of the following internet protocols allows us to access the data over the World Wide Web ? [RRB NTPC CBT - II (09/05/2022) Shift 1]

Correct Answer: (c) HTTP
Solution:

HTTP (Hypertext Transfer Protocol) - It is an application-layer protocol for transmitting hypermedia documents, such as HTML (Hypertext Markup Language).

2. Which of the following is a standard internet protocol used for transmitting the files from one computer to another computer connected to the internet ? [RRB NTPC CBT - II (09/05/2022) Shift 3]

Correct Answer: (b) FTP
Solution:

Simple Mail Transfer Protocol (SMTP) - It is an internet standard communication protocol for electronic mail transmission.

3. IPv4 address is a string of numbers consisting of four parts, where each part is a number between _____ and ______. [RRB NTPC CBT - II (15/06/2022) Shift 2]

Correct Answer: (a) 0,255
Solution:

IPv6 address is 128 bits in length and consists of eight, 16-bit fields, with each field bounded by a colon.

4. Which of the following is needed to access the Internet? [RRB NTPC CBT - I (05/01/2021) Evening]

Correct Answer: (a) Unique IP Address
Solution:

It is a unique address on the internet dedicated completely to one hosting account.

5. In Internet technology, what does DNS stand for ? [RRB NTPC CBT - I (08/03/2021) Evening]

Correct Answer: (a) Domain Name System
Solution:

The domain name system (DNS) is a naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses.

6. What does the letter ‘s’ in the https protocol denote ? [RRB NTPC CBT - I (11/03/2021) Evening]

Correct Answer: (d) Secure
Solution:

It is a combination of the Hypertext Transfer Protocol (HTTP) with the Secure Socket Layer (SSL)/Transport Layer Security (TLS) protocol. Most Web browsers support SSL.

7. The internet works by using a protocol called TCP/IP. What is the full form of TCP/IP ? [RRB NTPC CBT - I (16/01/2021) Evening]

Correct Answer: (d) Transmission Control Protocol / Internet Protocol
Solution:

The Internet protocol suite, commonly known as TCP/IP, is the set of communications protocols used in the Internet.

8. The technology that provides high internet speed over telephone wiring is called: [RRB NTPC CBT - I (23/01/2021) Morning]

Correct Answer: (a) ADSL
Solution:

DSL (Digital Subscriber Line) - It is a modem technology that uses existing telephone lines to transport high-bandwidth data, such as multimedia and video, to service subscribers. DSL provides dedicated, point-to-point, public network access.

9. Which of the following servers convert IP addresses to domain names? [RRB NTPC CBT - I (28/01/2021) Evening]

Correct Answer: (d) DNS
Solution:

The Domain Name System (or DNS) converts human readable domain names (like: www.google.com) into Internet Protocol (IP) addresses (like: 193.104. 89.48).

10. Internet was started in India on: [RRB NTPC CBT - I (01/02/2021) Morning]

Correct Answer: (c) 15th August, 1995
Solution:

Internet services were launched in India on 15th August 1995 by Videsh Sanchar Nigam Limited.