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Ans. Arun’s email has been attacked with spam.
These may be promotional mails from different advertisement groups.
Arun must have checked some promotional offers while surfing the
Internet.
He should create filters in his email to stop receiving these unwanted mails.

(1 Mark for writing correct Answer)
(1 Mark for writing correct Justification to prevent Spam)

(b) Assume that 50 employees are working in an organization. Each employee (1)
has been allotted a separate workstation to work. In this way, all computers
are connected through the server and all these workstations are distributed
over two floors. In each floor, all the computers are connected to a switch.
Identify the type of network?

Ans. LAN(Local Area Network)

(1 Mark for writing correct Answer)

(c) Your friend wishes to install a wireless network in his office. Explain him (1)
the difference between guided and unguided media.

Ans. Guided media uses cables to connect computers, whereas unguided media
uses waves.

(1 Mark for writing any correct difference between guided and unguided
media)

(d) Write the expanded names for the following abbreviated terms used in (2)
Networkingand Communications:
(i) CDMA (ii) HTTP (iii) XML (iv) URL

Ans. (i) Code Division Multiple Access
(ii) Hyper Text Transfer Protocol
(iii) Extensible Markup Language
(iv) Uniform Resource Locator

( ½ Mark for writing each correct expansion)

(e) Multipurpose Public School, Bangluru is Setting up the network (4)
between its Different Wings of school campus. There are 4
wings

namedasSENIOR(S),JUNIOR(J),ADMIN(A)andHOSTEL(H).

Multipurpose Public School, Bangluru

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