IT430- E-Commerce Complete Solved Midterm Paper Spring 2009

MIDTERM EXAMINATION

Spring 2009

IT430- E-Commerce (Session - 4)

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Question No: 1 ( Marks: 1 ) - Please choose one

In datalink layer, data packets are placed inside

► Data frames

► Data boxes

► Data streams

► None of these

Data link layer

It places data packets into data frames. Network Interface Card Drivers/Protocols operate at this

layer. It is used to identify MAC or hardware address of computer machines. A mathematical

calculation, Cyclical Redundancy Check (CRC), takes place here to confirm integrity of data frames

Question No: 2 ( Marks: 1 ) - Please choose one

Which of these is the correct HTML code for creating a reset button?

► <input type =”button” name=”reset” value=”reset”>

► <input type=”resetButton” value=”Clear”>

► <input type=”reset” value=”reset”>

► <input type=”button” name=”reset” value=”clear”>

Submit and reset button

To create a submit or reset button use the following instruction within the form tag: <Input

type=“submit” value=“label”> <Input type=“Reset” value=“label”>

“Label” is the value that appears on the button. You may not want to use „value‟ attribute

Question No: 3 ( Marks: 1 ) - Please choose one

…..tag is used into …….tag because a row contains multi cells and to fill up these

cells with data.

► TD…… TR

► TR…… TD

► TD…… TG

► TG…… TR

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Question No: 4 ( Marks: 1 ) - Please choose one

Individuals who write programs or manipulate technologies to gain unauthorized

access to computers and networks are --------------- .

► administrators

► experts

► hackers

► coders

Question No: 5 ( Marks: 1 ) - Please choose one

Which tag is used for the hidden fields?

► <FIELD>

► <TEXT>

► <INPUT>

► <HIDDEN>

Question No: 6 ( Marks: 1 ) - Please choose one

What is a correct way of referring to a stylesheet called "mystyle.xsl" ?

► <?xml-stylesheet type="text/xsl" href="mystyle.xsl" ?>

► <link type="text/xsl" href="mystyle.xsl" />

► <stylesheet type="text/xsl" href="mystyle.xsl" />

► <?stylesheet type="text/xsl" href="mystyle.xsl" ?>

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Question No: 7 ( Marks: 1 ) - Please choose one

Which of them is NOT a predefined object?

► Document

► Date

► Loop

► Array

Question No: 8 ( Marks: 1 ) - Please choose one

Which of these is not a comparison operator?

► <

► >

► =

► !=

Question No: 9 ( Marks: 1 ) - Please choose one

Var d = new date()

Which of the following is correct about the d variable?

► instance of new

► instance of Date() method

► instance of Date object

► Simple Variable

Question No: 10 ( Marks: 1 ) - Please choose one

When you declare a variable within a function, the variable can only be accessed within

that function. When you exit the function, the variable is destroyed. These variables are

called

► Local Variables

► Global Variables

► Local and Global

► None of the above

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Question No: 11 ( Marks: 1 ) - Please choose one

Which of the following , is condition part of given For loop

for (i = 0; i <= 5; i++).

► i=0.

► i++.

► i<=5.

► (i = 0; i <= 5; i++).

Question No: 12 ( Marks: 1 ) - Please choose one

What is the correct JavaScript syntax to write "Virtual University of Paistan"?

► document.write("Virtual University of Paistan ")

► ("Virtual University of Paistan ")

► " Virtual University of Paistan "

► response.write("Virtual University of Paistan ")

Question No: 13 ( Marks: 1 ) - Please choose one

Which of the following is NOT valid HTML code line?

► <frameset rows="16%,84%">

► <frameset columns="16%,84%">

► <frameset cols="100,150">

► <frameset cols=”50%,50%” rows=”16%,84%”>

Question No: 14 ( Marks: 1 ) - Please choose one

CSS is a breakthrough in Web design because it allows developers to control the---------

► Processing speed on client side

► Data grid view on client side

► Style and layout of home page.

► Style and layout of multiple Web pages

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Question No: 15 ( Marks: 1 ) - Please choose one

Which HTML tag is used to define an internal style sheet?

► <css>

► <script>

► <style>

► <sheet>

Question No: 16 ( Marks: 1 ) - Please choose one

What is the correct HTML tag for adding a background color?

► <background>yellow</background>

► <body bgcolor="yellow">

► <body color="yellow">

► None

Question No: 17 ( Marks: 1 )

What does this mean?

padding-right

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.

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Question No: 19 ( Marks: 2 )

Suppose, there is an applet at "http://www.vu.edu.pk/demo.class". Write the

code to include this applet in your web page.

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.

<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="http://www.w3schools.com/default.asp">This is a link</a></p>

</body>

</html>

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