Worksheet Solutions: Computer Networking | Computer Science for Grade 9 PDF Download

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Q.1. Fill in the blanks with the given words. 

(i) A Private cloud is meant only for one organisation.
(ii) A hybrid cloud is a mix of private and public cloud.
(iii) SMTP is the standard protocol for sending emails across the Internet.
(iv) HTTP is a protocol used for transferring a web page from a web server to a web browser.
(v) FTP  protocol is used to transfer files between two computers on the Internet.
(vi) The transmission from the earth to the satellite is known as Uplink.
(vii) Infrared waves have its frequency just less than red light.
(viii) In microwave transmission high Towers are used.
(ix) Optical fibres uses Light as its source of data transmission.
(x) A hotspot is a venue that offers Wi-Fi access.

Q.2. State whether the following statements are True (T) or False (F).

(i) Networking allows sharing of printers. True
(ii) WAN spans over an area near an individual. False
(iii) LAN spans over small area, usually within a room or a building. True
(iv) PAN spreads overs a very small area usually at the vicinity of a device. True
(v) Microwaves are used in LAN. False
(vi) Bluetooth technology is used for communication is most hand-held devices. True
(vii) Optical fibers though expensive, is the fastest and most reliable transmission medium. True
(viii) Satellite link is used for radio waves communication. False
(ix) Data transmission rate in coaxial cable is slower than the twisted pair cable. False
(x) Radio Waves are used in walky-talkies. True