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PROGRAM
MCA(REVISED FALL 2012)
SEMESTER
V
SUBJECT CODE & NAME
MCA5010-WEB TECHNOLOGIES
1 Differentiate
between TCP and UDP
Answer: TCP (Transmission Control Protocol)
The TCP corresponds to the transport layer
of OSI reference model, The TCP is known as a connection-oriented protocol,
which means that a connection is established and maintained until such
2 Describe the
features of XML. What are the important rules to keep in mind about the XML
declaration?
Answer: Features of XML:
XML is popular for many features and few
of them are listed here:
1. Easy
Data Exchange:
In XML, data and markup are stored as text that we can configure. If we like,
we can use XML editors to create XML documents but if something goes wrong we
can examine and modify document directly because it’s all just text.XML
provides a very efficient way of storing
2.
3 Define three
stages of XML parser process through suitable diagram. Differentiate SAX and
DOM?
Answer: Every XML processor has a
parser. An XML parser converts an XML document into an XML DOM object - which
can then be manipulated with a JavaScript. The parser's job is to
4 Describe the
procedure of fetching data from XML to HTML. Give an example.
Answer: The process of fetching data
from an XML files to be filled in an HTML table, using DSO (Data Source Object)
and JavaScript. DSO is an object that operates like a database on the client
side. It
5 Describe five
different categories of PHP Operators.
Answer: In all programming
languages, operators are used to manipulate or perform operations on variables
and values. There are many operators used in PHP, so we have separated them
into t
6 Explain
various components of AJAX.
Answer: Ajax is a set of
technologies, supported by a web browser, including these elements:
1. HTML and CSS for presenting.
2. JavaScript
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