Computer and Information Technology-part (1)

Total Questions: 50

21. Which of the following is a type Internet connection that uses telephone line? [M.P.P.C.S. (PRE) 2014]

(a) DSL
(b) Cable
(c) Fibre Optics
(c) Satellite

Correct Answer: (a) DSL

Solution:DSL (Digital Subscriber Line) is a fixed connection most popular in areas without access to cable or fiber internet. With DSL, connection to the internet runs through telephone lines. It is a type of internet connection that uses the voice frequency of telephone lines to send and receive internet data and traffic.

22. Slowest Internet connection service is- [M.P.P.C.S.(PRE) 2014]

(a) Digital Subscriber Line
(b) Dial-up Service
(c) Leased Line
(d) Cable Modem

Correct Answer: (b) Dial-up Service

Solution:Dial-up Service is by far the slowest of all internet connections available. Generally, it gives a speed of up to 56 Kbps. Cable modem uses coaxial lines run by cable companies to offer internet access to their consumers. It can generally gives speed of 512 kbs to as much as 20 Mbps. Dial-up service uses telephone lines to transmit internet date and speed is generally the same as a cable modem. Leased lines are used by a business establishment that needs high-speed reliable internet access 24 hours a day.

23. The first page that you normally view at any website is known as? [M.P.P.C.S.(PRE) 2015]

(a) Home Page
(b) Master page
(c) First page
(d) Banner page

Correct Answer: (a) Home Page

Solution:The first page of any website is known as a home page. We get information of further pages on respective website from the home page.

24. The first page displayed by Web Browser after opening a Website is called: [M.P.P.C.S.(PRE) 2018]

(a) Home page
(b) Browser page
(c) Search page
(d) Bookmark

Correct Answer: (a) Home page

Solution:The first page of any website is known as a home page. We get information of further pages on respective website from the home page.

25. ---------is not a common network topology. [M.P.P.C.S.(PRE) 2021]

(a) Bus
(b) Star
(c) Ring
(d) Grid

Correct Answer: (d) Grid

Solution:Network topology refers to the manner in which the links and nodes of a network are arranged to relate to each other. Some of the most common types of network topologies are star, bus, ring, tree, mesh, and hybrid. Grid topology is not a common network topology. The grid network topology is a type of network topology in which each node of the network is connected with two neighbouring nodes along one or more dimensions.

26. Internet system uses which of the following topology? [U.P. Lower Sub (mains) 2013]

(a) Bus
(b) Ring
(c) Star
(d) Tree

Correct Answer: (d) Tree

Solution:Tree topology is a 'hybrid' topology that combines characteristics of linear bus and star topologies. The internet is the best example of largest hybrid topology. Tree topology is a good choice for a large computer network as the tree topology 'divides' the whole network into parts, that are more easily manageable.

27. The internet works on : [U.P. Lower Sub (mains) 2015]

(a) Circuit switching only.
(b) Packet switching only.
(c) Both circuit and packet switching.
(d) None of the above.

Correct Answer: (b) Packet switching only.

Solution:Packet switching is a digital networking communication method that groups all the transmitted data into suitably sized blocks called packets, which are transmitted via a medium. The best known use of packet switching is the internet and most local area networks.

28. A database that contains the names and address of various hosts on internet is called: [M.P.P.C.S.(PRE) 2021]

(a) Domain Name Service
(b) Domain Name system
(c) DNS File System
(d) None of the above

Correct Answer: (b) Domain Name system

Solution:A database that contains the names and addresses of various hosts on the Internet is called Domain Name System (DNS). The DNS is a naming database in which Internet domain names are located and translated into Internet Protocol (IP) addresses. The DNS maps the name people use to locate a website to the IP address that a computer uses to locate that website.

29. IPv6 protocol defines an IP address of: [M.P.P.C.S.(PRE) 2020]

(a) 32 bit
(b) 64 bit
(c) 128 bit
(d) 256 bit

Correct Answer: (c) 128 bit

Solution:Internet Protocol version 6 (IPv6) is the latest revision of the Internet Protocol (IP). IPv6 was developed by the Internet Engineering Task Force (IETF) to deal with the long-anticipated problem of IPv4 address exhaustion. In December 1998, IPv6 became a Draft Standard for the IETF, which subsequently ratified it as an Internet Standard on 14 July 2017. IPv6 encompasses many design improvements, including the replacement of the 32-bit IPv4 address format [which provides 22 (4,294,967,296) addresses] with a 128-bit address format which provides an addressing space without limitations for the foreseeable future. IPv6 theoretically allows 212, or approximately 3.4 x 10" total addresses.

30. 'Bluetooth' technology allows- [U.P.P.C.S.(MAINS) 2011]

(a) Single transmission on mobile phones only.
(b) Landline phone to mobile phones communication.
(c) Satellite television communication.
(d) Wireless communication between equipments.

Correct Answer: (d) Wireless communication between equipments.

Solution:The Bluetooth technology was developed in 1994 by Jaap Haartsen. Through this technology mobile phones, laptop, calculators. and digital cameras are connected and shares information and data by using radio waves.

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Computer and Information Technology-part (1)