SET-4

Series SSO

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 8 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.

• 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:

1. All questions are compulsory.
2. Answer the questions after carefully reading the text.
3. (a) A school with 20 stand-alone computers is considering networking them together and adding a server. State 2 advantages of doing this. 1
4. Distinguish between LAN and WAN. 1
5. What is the purpose of Modem in network? 1
6. Write one example of IP Address. 1

P.T.O. 90 1

2.

1. Define 'Domain Name Resolution'. 2
2. Name two threats to security in a network. What is the role of

Firewall in Network security? 2

1. Write one advantage and one disadvantage of Open Source

software over Proprietary software. 2

1. Write the value of variable 'c' after execution of the following code: 1 int d; int c; <math>d=7;</math> <math>c = (5*++d)%3;</math>
2. What is the difference between jTextField and jPasswordfield

components? 1

1. In a SWITCH statement, what is the purpose of 'default' section? 1
2. After typing the HTML code using a text editor, how do you see

how it would look as a web page? 1

1. Write Java code to assign the value 500 to variable x. Increase

the value of x by 50 and store it in variable y. 2

1. Write the output that will be generated by the code given below: 2 int i; <math>i = 7;</math> int r; <math>r=8;</math> while <math>(i \le 10)</math>

System.out.println(r*i);

<math>i = i+2;</math> } "With XML there are no predefined tags" – Explain in brief with

1. the help of an example. 2

90 2