SET-4

Series SGN

Code No. 90

Roll No.

Candidates must write the Code on the

title page of the answer-book.

Please check that this question paper contains 11 printed pages.

Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.

<math>\blacktriangle</math> Please check that this question paper contains 7 questions.

• Please write down the Serial Number of the question before attempting it.

15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.

INFORMATICS PRACTICES

Time allowed: 3 hours

Maximum Marks: 70

Instructions:

(i) All questions are compulsory.

1. Answer the questions after carefully reading the text.

90 P.T.O. 1

1. (a) ABC Company wants to link its computers in the Head office in New Delhi to its office in Sydney. Name the type of Network that will be formed. Which Communication media should be used to form this Network?

2

1. Which of the following is/are not communication media?
2. Microwaves
3. Optical Fiber cable
4. Node
5. Radio waves

Identify which of the above mentioned communication media are Wired media and which ones are Wireless media. 2 2

1. Write two examples each of software in the following categories:
2. Open Source Operating System
3. Open Source Web Browser

2

1. Expand the following terms:
2. GSM
3. IP

2

1. Name the devices:
2. This device constantly looks at all the data entering and exiting your connection. It can block or reject data in response to an established rule.
3. This device connects multiple nodes to form a network. It redirects the received information only to the intended node(s).

2 90