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Posts Tagged ‘VU. IT430- E-Commerce .(Session – 6). midterm .solved. unsolved. past .papers .spring .2010’

VU IT430- E-Commerce (Session – 6) midterm solved unsolved past papers spring 2010

.

MIDTERM EXAMINATION

Spring 2010

IT430- E-Commerce (Session – 6)

Solved

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

For which of the following we need to know the classification of E-commerce?

► Market planning strategy

► Build Mission statement

► Management strategy

► none (not sure )

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

Switch is a device that joins multiple computers together within one local area network

(LAN).

► True (page 4)

► False

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

In which protocol, the messages are not deleted from email server.

► SMTP

► POP3

► IMAP (page 18)

► ICMP

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

How can you open a link in a new browser window?

► <a href=”/url” target=”new”>

► <a href=”/url” target=”_blank”> (page 33)

.

► <a href=”/url” new>

► None of these

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

What does the Target= “_top” tag perform?

► Loads the new page into the same frame

► Loads the new page into the entire window (page 33)

► Loads the new page into a new browser window

► All of the above

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

Which attribute is used in a tag to control the layout of element?

► view

► css (PAGE 39)

► Style

► Layout

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

Choose the correct HTML code line which left-align the content inside a tablecell.

► <td leftalign>

► <td valign=”left”>

► <td align=”left”>(PAGE 26)

► <tdleft>

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

Where in an HTML document is the correct place to refer to an external style sheet?

.

► In the <body> section

► At the end of the document

► In the <head> section (PAGE 39)

► At the top of the document

Question No: 9 http://www.vustudents.net ( 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

ref

http://en.wikipedia.org/wiki/Local_variable

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

Constructor is defined as the initializing function used to create………..

► Instance of object

► Copy of object

► Instance / copy of object (page 69)

► Shallow copy of object

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

What does XML stand for?

► eXtra Modern Link

► X-Markup Language

.

► eXtensible Markup Language (page 74)

► Example Markup Language

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

For which of following purpose the Firewall is used ?

► Efficient working

► Protection against security attacks (page 95)

► Networking purpose

► None of these

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

PPP stands for

► Point to Point Protocol (page 98)

► Post to Post Protocol

► Point to Post Protocol

► None of these

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

Which of the following is NOT processed on the client side?

► Cookies

► JavaScript

► CGI scripts (page 79)

► Applets

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

Firewall is used to

.

I – examine the data entering the network

II – examine the data leaving the network

III – filter the data according to certain rules

► I, II and III (page 96)

► I only

► I and III only

► I and II only

Question No: 16 ( Marks: 1 ) http://www.vustudents.net- Please choose one

Which firewall uses strong user authentication to verify identity of a host attempting to

connect to the network?

► Packet filter firewall

► Circuit level firewall

► Application gateway firewall (page 96)

► Hybrid firewall

Question No: 17 ( Marks: 1 ) – Please choose one

Bus networks is same as the system bus of a computer.

► True

► False (page 14)

Question No: 18 ( Marks: 1 ) – Please choose one

In Style Sheets, How do you add a background color for all “<h1>” elements?

► all.h1 {background-color:#FFFFFF}

► h1.all {background-color:#FFFFFF}

► h1 {background-color:#FFFFFF}(page 47)

► h1 {bgcolor:#FFFFFF}

.

Question No: 19 ( Marks: 1 ) – Please choose one

How do you make each word in a text start with a capital letter?

► text-transform:capitalize

► text-transform:first_capitalize. (page 46)

► Cann’t be possible with CSS

► text-transform:uppercase

Question No: 20 ( Marks: 1 ) – Please choose one

MAC address is written in

Binary form 0-1►

Decimal form 0-9►

Hexadecimal form 0-f► (page 13)

None of these►

Question No: 21 ( Marks: 2 )

What is a web server?

Answer : Web server – machine that services internet request.

Web server – machine that services internet request

web server is a machine that serves up the web page requests of a client on the internet. It

is a combination of hardware and software. Decision as regards the type of a web server

is largely dependent on the volume and type of web activities. So, transaction processing

sites generating dynamic pages with high traffic volumes would need web server

software that is more efficient and can easily be upgraded.

Question No: 22 ( Marks: 2 )

What does ‘parseFloat(string)’ And NaN mean?

The parseFloat() function parses a string and returns a floating point number. This

function determines if the first character in the specified string is a number. If it is,

.

it parses the string until it reaches the end of the number, and returns the number

as a number, not as a string.

The NaN property represents “Not-a-Number” value. This property indicates that a

value is not a legal number.

Question No: 23 ( Marks: 3 )

Write at least three rules for writing an XML code.

Rules for writing an XML code

-All elements must be properly nested <outer><inner>content</inner></outer>

-All attribute values must be quoted <FRIES SIZE=“LARGE”>

-All elements with empty content must be identified by ending in />

Question No: 24 ( Marks: 3 )

How ‘Man in The middle Attacks’ operates?

Man in the middle attacks

In it the attacker is able to monitor, capture and control data between sending and

receiving machines. He may apply IP address spoofing technique to divert the

packets to its machine, then modify the packets and resend the misleading

information to the actual client. Another form of man-in-the-middle attack is where

the hacker is able to substitute the IP address of a genuine web site with the IP

address of his own web site due to some security hole in the software that runs on a

domain name server. A client would think that he is communicating or receiving the

information form a genuine web site, though it would not be the case actually.

Question No: 25 ( Marks: 5 )

Write the code for a web page displaying a button named “Testing”. After clicking that

button an alert should be displayed saying “The test is successful”.

<html>

<head>

<script type=”text/javascript”>

function sndAlert()

.

{

window.alert(“The test is successful!!!”);

}

</script>

</head>

<body>

<FORM

NAME=”form1″>

<INPUT TYPE=”Button” name=”showAlert” VALUE=”Show Alert”

onclick=”sndAlert()”>

</FORM>

</body>

</html>

Question No: 26 ( Marks: 5 )

Differentiate between front end and back end.

Answer: Front end consists of that information which is visible to the user and he

can interact with the same through some interface. The back end comprises that

information which resides on the server side and is used to create certain dynamic

results for the user. It would include different programs or scripts that may be

developed in different languages/tools. Backend is mainly used for two purposes –

for querying with the databases and for the maintenance of state. We can use

different tools (ASP, JSP etc.) for that purpose depending upon their respective

advantages/disadvantages.

VU IT430- E-Commerce (Session – 6) midterm solved unsolved past papers spring 2010

.

MIDTERM EXAMINATION

Spring 2010

IT430- E-Commerce (Session – 6)

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

In star network features a central connection point called a “hub” that ought to be only a

hub.

_ True

_ False

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

Switch is a device that joins multiple computers together within one local area

network (LAN).

_ True (page 15)

_ False

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

Switch generally contains more “intelligence” than a hub.

_ True

_ False

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

In which protocol, the messages are not deleted from email server.

_ SMTP

_ POP3

_ IMAP (page 18)

_ ICMP

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

Which protocol does Virtual university use to send email to student

Accounts?

_ SMTP

_ POP

_ IMAP

_ TCP

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

For which one of the following,<MARQUEE …> tag can work better

_ News headlines

_ Announcements

_ Sound pulgin

_ Movie controls

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

Can you add a style in a single place on a page ?

_ Yes, with a style-definition written into the tag

_ Yes, with a global style definition that redefines the tag.

.

_ No – CSS can only be defined for entire pages.

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

Which CSS tag is used to place an image that would remain when user scrolls down or up the page?

_ background-attachment: fixed

_ background-attachment: scroll

_ background-attachment: up

_ All of these

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

What shall come in blanks for proper result,

Here blanks are numbered with 1,2 and 3

<html>

<head>

<SCRIPT language=”JavaScript”>

Var num1, var num2

Document.container .result.value=parseFloat(num1)-parseFloat(num2)

</script>

</head>

<body>

<FORM name=”———1———–”>

<input type=”———-2——-” name=”——-3———” maxlength=”5”>

</form>

</body>

</html>

_ container, text and result

_ result, value and container

_ container , button and value

_ result, container and text

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

Correct syntax of “for” loop is :

_ for (i = 0; i <= 5)

_ for i = 1 to 5

_ for (i <= 5; i++)

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

REF

http://www.ex-designz.net/test_grade.asp?tid=65

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

CGI stands for

_ Common Gate Information

_ Common Gate Interface (PAGE 82)

_ Common Goal Interest

_ Common Global Interaction

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

Which of the following property falls in HTTP?

.

_ Stateless

_ Stateful

_ Temporary

_ All of these

Question No: 13 ( 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” ?>

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

Which of the following does not interpret its code?

_ ASP

_ PHP

_ JSP (page 85)

_ Coldfusion

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

Asymmetric cryptography is also called ————– .

_ Public key cryptography (PAGE 100)

_ Private key cryptography

_ Substitution cryptography

_ Transposition

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

Digital signature uses ——— .

_ Symmetric cryptography

_ Private key cryptography

_ Public key cryptography (PAGE 100)

_ Hash function

Question No: 17 ( Marks: 1 ) – Please choose one

Which one of the following is NOT a valid JavaScript variable?

_ _name1

_ $studentScore

_ first_name

_ 2ndName

Question No: 18 ( 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”> (page 61)

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

Question No: 19 ( Marks: 1 ) – Please choose one

Why we use reset tag in HTML?

_ To remove the text written in Notepad.

_ To remove the text written in between <body> and </body>tag.

_ To remove the text written in between <head> and </head> tag.

_ To remove the text written in between <form> and </form> tag. (page 61)

Question No: 20 ( Marks: 1 ) – Please choose one

http://cs.vu.edu is an example of

_ Two zone domain name

_ Three zone domain name

_ Four zone domain name

_ Five zone domain name

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:

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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