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1 Come & Join Us at VUSTUDENTS.net For Assignment Solution, GDB, Online Quizzes, Helping Study material, Past Solved Papers, Solved MCQs, Current Papers, E-Books & more. Go to and click Sing up to register. VUSTUENTS.NET is a community formed to overcome the disadvantages of distant learning and virtual environment, where pupils don t have any formal contact with their mentors, This community provides its members with the solution to current as well as the past Assignments, Quizzes, GDBs, and Papers. This community also facilitates its members in resolving the issues regarding subject and university matters, by providing text e-books, notes, and helpful conversations in chat room as well as study groups. Only members are privileged with the right to access all the material, so if you are not a member yet, kindly SIGN UP to get access to the resources of VUSTUDENTS.NET»» Regards»» VUSTUDENTS.NET TEAM. Virtual University of Pakistan

2 IT430 MIDTERM SUBJECTIVE QUESTIONS Question No: 18 ( Marks: 1 ) What tag is used for displaying a border between the frames? - BORDER or FRAMEBORDER Set this attribute to 0 for not displaying a border between the frames Question No: 19 ( Marks: 2 ) Suppose, there is an applet at " Write the code to include this applet in your web page. <HTML> <BODY> <APPLET CODE= " width=100 height=200>demo</applet> </BODY> </HTML> Question No: 20 ( Marks: 3 ) Identify the object, property and method in the following: Math.sin(45) Math.PI document.write("math.sin(45) :"+Math.sin(45)+"<P>"); document.write("math.pi :" +Math.PI +"<P>"); Question No: 21 ( Marks: 5 ) What is a web form? What is its usage in reference to client-server communication? 2+3

3 A webform on a web page allows a user to enter data that is sent to a server for processing. Webforms resemble paper forms because internet users fill out the forms using checkboxes, radio buttons, or text fields. You are now familiar with the fact that internet presents a two-way communication model, also called theclient-server Model. In the client server model some data is processed on the client side and certain data is processed by the server on the server side. Question No: 22 ( Marks: 10 ) Explain the following frame tags? Discuss the usage of these a) <frameset> b) <frame> c) <Noframes> d) <Iframe> Question No: 17 ( Marks: 1 ) What are the two types of twisted pair cables for networking? Question No: 18 ( Marks: 1 ) What it stands for IIS? Question No: 19 ( Marks: 2 ) When does we use the parsefloat() function? Question No: 20 ( Marks: 3 ) Name the JavaScript function that convert strings to float numbers. How do you give the function a string value to convert to a number? Question No: 21 ( Marks: 5 ) Write your personal profile in a file saving it with the extension of e.g. abc.js and then call it in a JavaScript code. Question No: 22 ( Marks: 10 ) Explain any three of the outside attacks briefly. PAPER#1 multiple choices 18 all from past papers 2 short question 2 marks 2 short question 3 marks 2 questions 5 marks

4 total marks 38 Q: 1. difference between sniffing and IP adress spoofing? 2. tools to develop web server.? 3. write XML code of " welcome to virtual university" "of pakistan" to " IT430 students" 4. write java script code or variables and also show in alert box var 13.6 var why used list in HTML? 6. briefly explain different terms virus worms back door Trojan horses PAPER#2 Total question question of 01 number (objective) 03 question of 02 numbers (subjective) 02 question of 03 numbers 02 question of 05 numbers 70% quiz from old papers Objective 1-advantage of virtual private network (2) 2-how can we prevent our computer from virus attack (5) (virus protection page no 94) 3-what SQL stand for and its usage (2) 4(write html code for making borders which align left border color green.(5) 5-what is the function of reset button and submit button. 6-one more question about html about the functions of the tags (5) PAPER#3 Join Us on

5 Total questions (23) MCQS (16) Marks 1 Short Questions (3) Marks 2 Short Questions (2) Marks 3 SubJ Questions (2 Marks 5 Total Marks = 38 Long questions Question 1 Why * is used in SQL Question 2 Explain what will be displayed after this program is run and briefly explain what is the purpose of HIDDEN <FORM NAME="Form1"> <INPUT TYPE= "HIDDEN" NAME= "Shirt1" VALUE="25"> <INPUT TYPE= "CHECKBOX" NAME= "Check1">Blue Cotton Shirt <br> <INPUT TYPE= "HIDDEN" NAME= "Shirt2" VALUE="26"> <INPUT TYPE= "CHECKBOX" NAME= "Check2" >Green Cotton Shirt <br> <INPUT TYPE= "HIDDEN" NAME= "Shirt3" VALUE="27"> <INPUT TYPE= "CHECKBOX" NAME= "Check3">White Silk Shirt. <P> <INPUT TYPE="submit" NAME="Go" VALUE="Register!"> <INPUT TYPE="RESET" VALUE="Reset!"></FORM> Question 3 Join Us on

6 How to evaluate the performance of web server 60% mcqs were from the past papers PAPER#4 differ virus and worms 5marks coding of mydate after seven days change 5 marks relational simply or flat and provide two file. 3 marks coding of alert massage 3marks arry is a varible are not discuss 2marks one of two name of network PAPER#5 1- web server 2 2- "target" attribute not used in frames. justify 2 3- xml coding karni thi question yad nai 5 4- "form" tag ki coding ki translation karni thi 5 5- position properties in style sheet 3 PAPER#6 Question No.17: What will be the final value of variable a at the end: (Marks: 2) Var a = 4; Var b = 5; Var c =10; a = a+c=6; Question No.18: What is meant by Catalog Display and why it Use? (Marks: 2) Question No.19: Create text bob in HTML, having length 15, containing text IT430? (Marks: 2) Question No.20: Write XML code to print greeting Welcome to XML! from Virtual University of Pakistan to IT430 Students? (Marks: 3) Question No.21: How can you minimize the risk of outside attacks on Network? (Marks: 3) Question No.22: How can we differentiate between Server Side Processing & Client Side Processing? Give at least one example? (Marks: 5) Question No.23: Given the following JavaScript Codes :- (Marks: 5) Str = new String ( Welcome to Virtual University of Pakistan ); StrArray = New Array (10); StrArray = str.split ( ); a) What will be the output of the following function? i) str.charat (5) ii) str.substring (8, 13) b) What will be the value of strarray [1]?

7 PAPER#7 Today is my IT430 paper quite tough laga muja Check it 1. At the end of all process what will be variable t contain Var S1= made Var S2= U Var S3= and me t =Si+ 4 +S2+S3 2marks 2. Suppose there is applet at http// write code to include this applet in your browser page 2marks 3. How would you change a date MyDate to one week later? 3marks 4. Note on Application Gate way firewalls. 3marks 5. Essential feature of E-commerce software 5marks 6. Write HTML for Input field, reset button and submit button 5marks 1. What is usage of <title> tag in a web page? Marks 2 2. How are public and private keys used in public by cryptography? Marks 2 3. We want to create left margin of 10 pixels and right margin of 15 pixels. Write CSS code to apply both properties. Marks 3 4. Write a JavaScript code to change a date my date to one week later? Marks 3 5. How can you differentiate among different malicious program, like backdoors and Trojan Horses viruses and worms? Marks5 6. Identify the following variables as valid or invalid. Also give reasons. Marks 5 Question No: 17 ( Marks: 1 ) What it stands for (W3C)? Answer World Wide Web Consortium

8 Question No: 18 ( Marks: 1 ) Do you agree or not that using Cascading Style Sheets one can apply an image to sections of one s page or even to individual words. Question No: 19 ( Marks: 2 ) Which attribute is used to describe, how many times you want the sound to repeat. Discuss briefly. Question No: 20 ( Marks: 3 ) What are cookies? Why these are used in web development? Question No: 21 ( Marks: 5 ) What is the difference between physical address and logical address? Support your answer with at least two examples. Question No: 22 ( Marks: 10 ) How can we change a Font style of a text? Write complete tag by using an example by yourself. Question No: 17 ( Marks: 1 ) What does this mean? padding-right Join Us on Question No: 18 ( Marks: 1 ) Do you agree or not that using Cascading Style Sheets one can apply an image to sections of one s page or even to individual words. Question No: 19 ( Marks: 2 ) Suppose, there is an applet at " Write the code to include this applet in your web page. <APPLET CODE= width=100 height=200> DEMO </APPLET> Question No: 20 ( Marks: 3 ) What do you think, is there any difference between Static and Dynamic IP Address assignment? Discuss. Question No: 21 ( Marks: 5 ) What is cryptography? What techniques are used for cryptography? Question No: 22 ( Marks: 10 ) Analyze the following given code showing some Cascading Style Sheets tags and explain its lines one by one.

9 <html> <head> <style type="text/css"> h1 {text-decoration: overline} h2 {text-decoration: line-through} h3 {text-decoration: underline} a {text-decoration: none} </style> </head> <body> <h1>this is header 1</h1> <h2>this is header 2</h2> <h3>this is header 3</h3> <p><a href=" is a link</a></p> </body> </html> Question No: 21 ( Marks: 2 ) How Certification Authority (CA) issues the certificates? Describe briefly Question No: 22 ( Marks: 2 ) Discuss the role of child element tags while in writing XML code. Question No: 23 ( Marks: 3 ) Performance of web servers can be evaluated mainly on the basis of two factors. What are they? Question No: 24 ( Marks: 3 ) Write a function for the addition of two numbers? Question No: 25 ( Marks: 5 ) Write the JavaScript code which will display the following in a web page using a FOR loop:

10 The number is 0 The number is 1 The number is 2 The number is 3 The number is 4 The number is 5 Question No: 26 ( Marks: 5 ) What is the difference between an interpreted and a compiled language? Give one example of each.

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Come & Join Us at VUSTUDENTS.net For Assignment Solution, GDB, Online Quizzes, Helping Study material, Past Solved Papers, Solved MCQs, Current Papers, E-Books & more. Go to http://www.vustudents.net and