CBSE Class 4 Computer Studies Computer Network MCQs

Question. Bluetooth technology supports networking over
(a) Wi-Fi standard wireless radio connections.
(b) Its own standard wireless radio connections.
(c) USB cable connections.
(d) Ethernet cable connections.

Answer: B

Question. Identify the type of network.
(i) It is a type of network that supports two-way communication in your near-by area with the help of wireless device (such as mobile phones).
(ii) An example of it is : suppose a lady has lost her son in a crowdy street, and now she is sending a picture of her son which is stored in her mobile phone, to the people on the street so that they can find him.
(a) Near-me area network
(b) Body area network
(c) Controller network
(d) Wide area network

Answer: A

Question. How many layer are used in OSI model?
(a) Seven
(b) Six
(c) Eight
(d) Five

Answer: A

Question. A _______ is a standard that specifies the interaction between communicating entities in a computer network.
(a) node
(b) protocol
(c) port
(d) server

Answer: B

Question. Three buildings, building 1, 2 and 3 located in different areas of DELHI, are connected through a network as shown in the given image. What type of networkis it?

(a) LAN
(b) MAN
(c) WAN
(d) PAN

Answer: B

Question. Which of the following prevents unauthorized access in a network?
(a) Firewall
(b) Infrared
(c) Bluetooth
(d) Screen saver

Answer: A

Question. A collection of wires that connects several devices is called.
(a) link
(b) bus
(c) bi-directional
(c) cables

Answer: B

Question. Unscramble the given word and select the statement which is CORRECT about it.
PARNATE
(a) It is a networking device.
(b) It is the name of first computer network.
(c) It is an internet connection.
(d) It is the name of default web browser of Microsoft Windows.

Answer: B

Question. The given diagram shows a representation of LAN in a company. The device at center is responsible for providing data to all PCs connected in the network. Which of the following terms can be used to refer this device?

Answer: C

Question. Servers are computers that provide resources to other computers connected to a ___________.
(a) network
(b) mainframe
(c) supercomputer
(d) client

Answer: A

Question. _______ network includes wireless devices such as PDA and smartphones. Also, its connectivity range is upto few meters.
(a) WAN
(b) MAN
(c) CAN
(d) PAN

Answer: D

Question. What is the other name of a LAN card?
(a) Modem
(b) NIC
(c) Network connector
(d) Internet card

Answer: B

Question. Identify the following.
(i) It is a private network that is used only by those organisations who owns it, campus and corporate networks are its good examples.
(ii) It should be closed off to the general public and require a login for authorised users.
(a) Internet
(b) Tetranet
(c) Betanet
(d) Intranet

Answer: D

Question. Which of the following devices will replace the “?” in the given image, if you want to connect your computer to the Internet?

(a) Speakers
(b) Keyboard
(c) Modem
(d) UPS

Answer: C

Question. Which of the following is not a transmission medium?
(a) Telephone lines
(b) Coaxial cables
(c) Modem
(d) Microwave systems

Answer: C

Question. Copying a file to your computer from the server or remote computer is called ______________.
(a) uploading
(b) downloading
(c) Copying
(d) Both (a) and (c)

Answer: B

Question. ______ is a type of network that is found in wearable technology. It can also be found in hospitals, where doctors monitor their patients, with the help of machines that measure their body temperature, pulse, heartbeat and alerts the doctor about their patients, even before they get a heart attack.
(a) LAN
(b) MAN
(c) WAN
(d) BAN

Answer: D

Question. Which of the following items is not used in LANs?
(a) Computer
(b) Cable
(c) Modem
(d) Printer

Answer: C

Question. Complete the following sentences.
it is an internet service that translates websites names into __________ . The company or organization that provides services for accessing and using the internet is called ________ .
(a) DNS, Symbols, URL
(b) URL, Code, DNS
(c) DNS, Numbers, ISP
(d) URL, Symbols, Wireless Fidelity

Answer: C

Question. Which of the following types of network is used to connect the LANs shown in the given image?

(a) CAN
(b) PAN
(c) WAN
(d) SAN

Answer: C