76. Define DTD.

A DTD is a set of rules that specifies how to use XML markup. It contains specifications

for each element, including what the element's attributes are, what values the attributes can

take on and what elements can be contained in others.

77. What are the XML rules for distinguishing between the content of a document and the

XML markup element?

1.The start of XML markup elements is identified by either the less than symbol (<) or

the ampersand (&) character

2.Three other characters, the greater than symbol (>), the apostrophe or single quote (‘)

and the double quotation marks (“) are used by XML for markup.

3.To use these special characters as content within your document, you must use the

corresponding general XML entity.

78. Define scriptlets.                          

Scriptlets enable you to create small, reusable web applications that can be used in any

web page. Scriptlets are created using HTML, scripting and Dynamic HTML. To include them

in an HTML document use the <OBJECT> tag.

79. Define ASP.

Active Server Pages (ASP) is a server-side scripting technology that can be used to

create dynamic and interactive web applications.

80. What are the ASP objects?

1.Application -It manages your web application.

2.Session -It manages and tracks individual user sessions.

3.Server -It controls behavior of your web server

4.Response -It transmits information from the web server to web browser

5.Request -It retrieves information from the browser for processing at the server.

81. What is global.asa file?

The global.asa file is a Active Server Application file you can track and manage the

application and session events, variables and objects. When you start the application the

server will load the global.asa file into memory.

82. Define response object and list its methods.

The response object transmits information from the web server to browser.

Methods are:

1.Write

2.BinaryWrite

3.Redirect

4.AppendToLog

5.AddHeader

6.Clear

7.Flush

83. Define JSP.

Java Server Pages (JSP) are simple technology used to generate dynamic HTML on the

server side.

84. Define Directives.

Directives are JSP elements that provide global information about an entire JSP page,

85. Write down the various attributes for the page directives in JSP.

The page directive defines information that will be globally available for that Java Server

Page,

1. language

2. extends

3. import

4. session

5. buffer

6. contenttype

86. What is meant by firewall?

A firewall is a piece of network hardware that serves as a secure gateway between an

internal network and the Internet. It protects the internal network from unauthorized access or

activity,

87. Write a note on proxy server.

A proxy server is a host that makes Internet request on behalf of other machines on the

network, Proxy servers are often used to cache frequently requested files or to monitor Internet

use within a Corporation.

88. What does DHTML refer?

DHTML refers to collection of technologies, which makes HTML documents more

dynamic and interactive.

89.Define SSI.

Server Side Includes (SSI) gives you a way to insert the content of another file into a

file before the web server processes it.

90.What does data binding mean?

Data binding is DHTML feature that lets you easily bind individual elements in your

document to data from another source such as database or comma delimited text file.