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PROGRAM
BSc
IT
SEMESTER
FOURTH
SUBJECT
CODE & NAME
BT0083,
Server Side Programming-Theory
Qus:1List
and brief any FIVE HTTP Request Methods
Answer:
Qus:2
Explain handling the form elements to retrieve the data from form using servlet
API. Give some examples
Answer:
Handling
the form elements to retrieve the data from form using servlet API:
HTML forms are used to
create good GUI for user interaction. Here you can create Textbox, checkboxes,
radio buttons, combo box, and various kinds of GUIs on the forms. After
creating forms and GUI, the important step is to consider is the methods to
retrieve inform of these forms in servlet. This data can be retrieved either by
GET or POST method. In GET method data will be appended in
Q3.
Write a note on tracking the sessions using cookies. Give advantages and
disadvantages of cookies.
ANS:
There are various techniques of
session tracking, they are as follows:
1. Using Cookies
2. Using URL-Rewriting
3. Using Hidden Form Fields
Using Cookies
Definition: Cookies are pieces of data that
web server adds in the client browser and later in the web server for
Qus:4
Explain the two JSP architectures.
Answer:
The
two JSP architectures:
There are two
general approaches you can take when developing Web applications using JSP.
I. Page-centric
(Model 1) and
II. Servlet-
Qus:5
Draw and explain the diagram of custom tag life cycle.
Answer:
The
diagram of custom tag life cycle:
Q6.
Describe the process of deactivating individual expression language statements
with example.
Answer:
Deactivating
individual expression language statements: In JSP 1.2 pages
that need to be ported unmodified across multiple JSP versions (with no web.xml
changes), you can replace $ with $, the HTML character entity for $. In
JSP 2.0 pages that contain both expression language statements and
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