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Thread: it430 mid term subjective paper fall December 2011

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    18 it430 mid term subjective paper fall December 2011

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    what is ERP name its softwares?

    Enterprise Resource Planning

    Enterprise Resource Planning (ERP) is a concept that integrates all aspects of a
    business e.g, accounting, logistics, manufacturing, marketing, planning, project
    management etc. at a single place. An ERP system such as SAP is expensive. E-
    commerce sites/software has to fully integrate with ERP software, wherever it is
    used.

    What is the difference between Viruses and Worms? 5

    Viruses and worms

    Viruses and Worms are malicious programs that can travel between computers as
    attachments on email or independently over a network. These terms are sometimes
    used interchangeably; however, essentially they are different. Worms spread from
    computer to computer, but unlike viruses have the capability to travel without
    any help or human action. A worm can replicate itself which means that it can
    send copies of itself to everyone listed in the email address box on a system.
    Viruses, on the other hand, need to be activated through a human action. Another
    difference is that viruses modify existing programs on a computer unlike worms
    which can install back doors or drop viruses on the system they visit. A few
    years ago a worm called ‘Love Bug’ was triggered by a 23 years old student in
    Philippine. Its code was written in VBScript, and it traveled on the internet as an
    email attachment. It could send copies of itself upto 300 addresses found in the
    email address box. It could destroy files on the system as well as search for any
    passwords and forward a list of the same to the attacker. Within days it spread to
    40 million computers in more than 20 countries causing a financial loss of about $
    9 billion.
    Question 5:
    How hackers can access secret information through javascript? 3 marks

    Active X control and some other programs in the form of plug ins can mislead
    a person and hacker can access the control of information of a computer
    machine.Also there are some other ways like back doors techniques etc.

    Question: 1
    Hw can we set an html table to the right and left side of browser? 2 marks

    By using align attribute with value right or left according to choice
    <table name="xyz" align="right" >for right aligned and same for left.just change
    the value

    Question 2:
    What is meant by external javascript? 2 marks
    Java script which is used between the head tags by using <script></script> tags is
    called external java script.(not confirm but according to me its right)

    Question 3:
    Write two main difference b/w HTML and XML? 2 marks.
    HTML and XML are difference in two basic ways
    1: own tags can be created in XML but not in HTML
    2: Tags in XML do not tell about the presentation of text on web page.They
    provide information regarding the topic.

    Question 4:
    What constraints can be employees in naming javascript variable? 3 marks
    Variable initials are allowed only ( A-Z ) (a-z) ( _ ) and ($).any other thing as
    initial letter of variable is invalid.reserve words are not allowed.as they have
    specific meaning in library.

    Question 5:
    How hackers can access secret information through javascript? 3 marks
    Active X control and some other programs in the form of plug ins can mislead
    a person and hacker can access the control of information of a computer
    machine.Also there are some other ways like back doors techniques etc.

    Question 6:
    Write a code for a web page displaying a button named “testing” . after
    clicking that button an alert should be displayed saying “the test is
    successful” ? 5 marks
    <html>
    <head>
    <script>
    function message()
    {
    window.alert("The Test is Successful")
    }
    </script>
    </head>
    <body>
    <form name="myform" method="post" >

    <input type="button" name="click" value="testing" onclick="message()">
    </body>
    </html>

    What is bandwidth of a network?
    Bandwidth is the speed of a network. It indicates how many bits can be
    transmitted across a network in a given time.

    Question No: 20 ( Marks: 3 )
    What is the purpose of padding? How many types of padding are: Name of
    these?
    Padding – general property that applies to all four padding properties in this order:
    Padding top
    padding-right
    padding-bottom
    padding-left

    Question No: 21 __ ( Marks: 5 )
    Write any four essential features and two extra features which should exist in
    E-Commerce
    softwares.
    A catalog display
    Shopping cart capabilities
    Transaction processing

    Another feature
    Middleware
    Application integration
    Web services
    Integration with ERP Software
    Supply chain management software
    Customer Relationship Management (CRM) Software
    Content Management Software
    Knowledge Management Software

    Question No: 22 ( Marks: 10 )
    Differentiate the one tier, two tiers, three tiers and four tiers separately with
    respect to client
    server architecture.
    Question No: 17 ( Marks: 1 )
    What is the function of ARP protocol at TCP/IP stack?Give precise answer.

    Question No: 18 __ ( Marks: 1 )
    Do you agree or not that in In Java Script we are not provided with certain
    already defined objects which are ready to use? justify

    Question No: 19 ( Marks: 2 )
    What are the three position style properties?
    Absolute – you can place the element box anywhere on the page position:
    Relative – position is relative to the normal position of the element
    Position: static – position remains unchanged
    Question No: 20 ( Marks: 3 )
    Write at least three 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: 21 ( Marks: 5 )
    What is the difference between an interpreted and a compiled language? Give
    one example of each.

    We compile the code or convert it into machine language using software called
    compiler, as we use in case of C or C++. The other way is that we interpret the
    code (line by line) at the run time using a program called interpreter. Browser is an
    interpreter
    Question No: 22 __ ( Marks: 10 )
    Consider the following code of an XML document and identify where its
    standard code rules
    are being applied. You are required to write the identified tag along with its
    related rule side
    by side.
    <?xml version=“1.0”?>
    <PlanetsList>
    <Planet Name=“Mercury”> <Distance>36 million miles</Distance>
    <Moons>None</Moons>
    <DayLength> 176 days</DayLength> </Planet>
    <Planet Name=“Venus”> <Distance>67 million miles</Distance>
    <Moons>None</Moons>
    <DayLength>1 17 days</DayLength> </Planet>
    <Planet Name=“Earth”> <Distance>93 million miles</Distance> <Moons>One</
    Moons>
    <DayLength>24 Hours</DayLength> </Planet>
    </PlanetsList> <BR/>

    Question No: 17

    ( Marks: 1 )

    Shortly Explain RIP?
    Answer
    RIP is a dynamic routing protocol used in local and wide area networks. As such
    it is classified as an interior gateway protocol (IGP). It uses the distance-vector
    routing algorithm.
    Question No: 18
    ( Marks: 1 )
    In which layer of OSI model, the data is converted into binary digits or electric
    pulses?

    Question No: 19
    ( Marks: 2 )
    What is common between proxy server and firewall?
    common things in proxy server and firewall filtering request for web pages
    Question No: 20
    ( Marks: 3 )
    What does RAS and RAC stand for in context of virtual private network?
    Answer
    That server machine may be called a Remote Access Server (RAS) and the client
    may be called a Remote Access Client (RAC).
    Question No: 21
    ( Marks: 5 )
    Identify protocol stack used in each layer of OSI model?

    Network protocol
    Network protocols are those standard rules using which computers on a network
    communicate and
    Exchange data with each other. A group of protocols that prepare the data for
    communication on the
    Network is called the Protocol stack.
    Question No: 17
    ( Marks: 1 )
    Shortly Explain RIP?
    Answer
    RIP is a dynamic routing protocol used in local and wide area networks. As
    such it is classified as an interior gateway protocol (IGP). It uses the distance-
    vector routing algorithm.
    Question No: 18
    ( Marks: 1 )
    In which layer of OSI model, the data is converted into binary digits or electric
    pulses?

    Question No: 19
    ( Marks: 2 )
    What is common between proxy server and firewall?
    common things in proxy server and firewall filtering request for web pages
    Question No: 20
    ( Marks: 3 )
    What does RAS and RAC stand for in context of virtual private network?
    Answer
    That server machine may be called a Remote Access Server (RAS) and the

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