WEB TECHNOLOGY QUESTIONS FOR PRACTICE

Q.1
a.How DHTML is different from HTML?
b.Give meaning of the following socket primitives for TCP/IP:
Socket, Bind, Listen, Accept, Connect, Send, Receive, Close
c.What do you understand by a Socket communication?
d.Give an example of XML document.
e.Comment on the following statement:“AJAX is about better internet applications”
f.Whatare thread pools? What are their advantages?
g.What is an application server and a web application server?

Q.2
a.Write a Javascript example that displays date when a button is clicked.(8)
b.Write the HTML code to generate the Web Page given in Fig.1. Take into
consideration the requirements given below for designing the Web Page:
(i)Background colour of the page should be “Cyan”.
(ii)Text style should be Comic Sans MS and colour should be Red.
(iii)Picture used in the page is the file “activity.jpg”
(iv)Table should have a border of color blue.
(v)Use the concept of nested lists for creating the list given in the web page with specified bullets.
(vi)Pages linked to:Indoor Activities as “in.html”Outdoor Activities as “out.html”
(vii)Bottom message should be of size 2.(10)


Q.3
a.What are the statements normally present in a simple server program written in Java?
Write an example program that illustrates creation of a server socket, waiting for client request, and then responding to a client that reques
ted for connection by greeting it “Hello, R u there?” (9)
b. How do you use http client for sending request? Write an example program that
retrieve files from the URL "http://www.myaddr.net/my/file" (9)

Q.4
a.What is XPath? How many nodes are there in XPath? Show different types of nodes in an example XML document.(9)
b.Write an example program that parses an XML string into an XML DOM object and then extracts some information from it with a JavaScript.(9)
Q.5a.Why should we use AJAX forweb application? What is GWT? What are the problems in AJAX that GWT tries to address?(6)
b.What is a Session Bean? Differentiate between two categories of Session Bean - Stateful and Stateless Session Beans.(6)
c.In what way using the JMS API in a J2EE application differs from using it in a stand - alone client application?(6)

Q.6 a.What steps are involved in developing a Stateful Session Bean? Explain using a suitable example program. (10)
b.Discuss JMS programming model and architecture of JMS application. (8)

Q.7
(i) Fundamentals of protocol design
(ii)Name space and XML schema
(iii)EJB
(iv)SMTP protocol
(v)SAX 1.0