MIDTERM EXAMINATION
Spring 2010
IT430- E-Commerce (Session - 5)
Question No: 1 ( Marks: 1 ) - Please choose one
Network addresses 128--- 191 range belongs to which of
the following class networks?
A
► B p#10
► C
► EQuestion No: 2 ( Marks: 1 ) - Please choose one
Which of the following is true for Class A:
►
Network 01 byte and 03 hosts Page#10►
Network 02 bytes and 02 hosts►
Network 03 bytes and 01 host►
None of theseQuestion No: 3 ( Marks: 1 ) - Please choose one
Which one is not included in the networking topologies?
►
Star Topology►
Bus Topology►
Media Topology►
Ring TopologyQuestion No: 4 ( Marks: 1 ) - Please choose one
What is the correct HTML for making a hyperlink?
►
<a name="http://www.vu.edu.pk”>Virtualuniversity</a>
►
university </a> pge#23
<a href=" http://www.vu.edu.pk "> Virtual►
<a>http://www. vu.edu.pk </a>►
of pakistan</a>
<a url="http://www. vu.edu.pk "> Virtual universityQuestion No: 5 ( Marks: 1 ) - Please choose one
What is the correct HTML for making a text input
field?
►
<textinput type="text">►
<input type="text">►
<input type="textfield">►
<textfield>Question No: 6 ( Marks: 1 ) - Please choose one
If we leave out the target attribute in frame tag and link
was clicked ,the document loads into the window
►
In Same page►
In other blank page.►
To display browser error.►
All of the options.Question No: 7 ( 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►
At the top of the documentQuestion No: 8 ( Marks: 1 ) - Please choose one
How do you write a conditional statement for
executing some statements only if "i" is equal to 5?
►
if i=5►
if i=5 then►
if i==5 then►
if (i==5) p#58Question No: 9 ( Marks: 1 ) - Please choose one
Which of the following is used to get remote access
of any computer on a network?
►
Trojan Horse►
Backdoor►
Virus►
All of these P#94Question No: 10 ( Marks: 1 ) - Please choose one
PPP stands for
►
Point to Point Protocol►
Post to Post Protocol►
Point to Post Protocol►
None of theseQuestion No: 11 ( Marks: 1 ) - Please choose one
JavaScript is mainly a ___________ language.
►
Server Side Scripting►
Cross Side Scripting►
Client Side Scripting P#79►
both Cross and Server Side ScriptingQuestion No: 12 ( Marks: 1 ) - Please choose one
Inside which HTML element do we put the JavaScript?
►
<scripting>►
<javascript>►
<script> p#57►
<js>Question No: 13 ( Marks: 1 ) - Please choose one
a++; is the same as which of the following?
►
a=a*1;►
a=a+2;►
a=1+2;►
a=a+1;Question No: 14 ( Marks: 1 ) - Please choose one
If a web server is bombarded with thousands of HTTP
requests, that would be an example of ---------------.
►
sniffing►
password attack►
man in the middle attack►
denial of service attack P#95Question No: 15 ( Marks: 1 ) - Please choose one
Outside attacks on a network include the following, EXCEPT
--------------- .
►
Password attack p#95►
DoS►
Back doors►
IP spoofingQuestion No: 16 ( Marks: 1 ) - Please choose one
Digital signature uses --------- .
►
Symmetric cryptography►
Public key cryptography p#100 ►
Private key cryptography►
Hash functionQuestion No: 17 ( Marks: 1 ) - Please choose one
In star topology, If hub fails, the entire network also fails.
►
True►
FalseQuestion No: 18 ( Marks: 1 ) - Please choose one
Which one is the correct CSS syntax?
►
h1 {font-size:72pt} p#38 ►
h1:font-size=72pt►
{h1:font-size=72pt}►
{h1;font-size:72pt}Question No: 19 ( Marks: 1 ) - Please choose one
In CSS, How do you make each word in a text start with a
capital letter?
►
text-transform:capitalize P#46►
text-transform:uppercase►
text:capitalize►
You can't do that with CSSQuestion No: 20 ( Marks: 1 ) - Please choose one
Which of the following is the default alignment in HTML?
►
Left ►
Center►
Right►
NoneQuestion No: 21 ( Marks: 2 )
What is Term „Catalog Display‟ means?
It provides photos, detailed description and search facility
about the availability of products or items.
It is simple list written in HTML. Some has to has to edit the
HTML code to change it. Dynamic catalog stores information
in a database.
Question No: 22 ( Marks: 2 )
What is meant by a constructor?
Page #69
It is initializing function used to create copy of an object. It
is after the name of the object whose constructor it is.
Question No: 23 ( Marks: 3 )
What is meant by „Shopping Cart‟ in context of e
commerce?
Page #92
It is an electronic shopping cart or basket that keeps record
of the items the customer has select and allow him to view
the details of the items selected.
He/she can add new items or remove items. To order an
item, a customer simply clicks at that item option. All details
of that item like product No. Item name and its price store
in cart automatically.
Question No: 24 ( Marks: 3 )
We have an array named myArray where this sentence is
stored. “Welcome to Virtual University!”
If we apply str.split(‟‟)
method.What will be the output of str.split(‟‟)myArray(4) and
str.split(‟‟)myArray(2) respectively.
Str.Split split the string based on the blank spaces.
str.split(‟‟)myArray(4) = blank
str.split(‟‟)myArray(2)
= virtualQuestion No: 25 ( Marks: 5 )
Describe the importance of Cryptography in internet data
transfer security in E-Commerce?
Page #98 & 100
It is a collection of mathematical techniques used to ensure
confidentiality of information. The process of scrambling a
message with the help of a key is called Encryption.
Now a days as internet is widely used So danger of data
safety and security also arise. Compare to its earlier use. It
provides the Transaction Integrity. Transaction detail of both
the parties can be verified which help to built the confidence
between business communities. It provide Privacy like it
provide controls to prevent third parties from getting access
to the information within the transaction. Without
cryptography, it is doubtful that banks, businesses and
individuals would feel safe doing business online.
Cryptography provides the confidence to the customer that
their data is safe and secure. Otherwise due to lack of
confidence and doubt e-commerce business can not flourish.
Question No: 26 ( Marks: 5 )
Write a list of comparison operators in JavaScript with
symbols.
Page #58
1. <= less than equal
2. >= Greater than equal
3. == for Equal
4. != not equal
5. < Less than
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