Code: T-15                                                          Subject: INTERNET & WEB TECHNOLOGY

Time: 3 Hours                                                                                                     Max. Marks: 100

 

NOTE: There are 11 Questions in all.

 

·      Question 1 is compulsory and carries 16 marks. Answer to Q. 1. must be written in the space provided for it in the answer book supplied and nowhere else.

·      Answer any THREE Questions each from Part I and Part II. Each of these questions carries 14 marks.

·      Any required data not explicitly given, may be suitably assumed and stated.

 

 

Q.1       Choose the correct or best alternative in the following:                                           (2x8)

       

a.       Which of the following layer deals with raw data?

                  

                   (A)  Data Link Layer                           (B)  Physical Layer

                   (C)  Network Layer                            (D)  Transport Layer

 

b.      Ipv6 has an IP address of

 

(A)    128 bits.                                       (B)  64 bits.

(C)  32 bits.                                         (D)  256 bits.

 

             c.   Following layer performs the routing of packets

                  

(A)     Network.                                     (B)  Transport.

(C)  Presentation.                                (D)  Application.

 

             d.   Following HTML tag does not exist

 

                   (A)  <table>                                        (B)  <picture>

(C)    <form>                                        (D)  <p>

 

             e.   Which device is used to connect LANS?

                  

(A)     Repeater                                      (B)  Hub

(C)  Bridge                                          (D)  Gateway                    

 

             f.    Addresses used for loopback testing

 

(A)     127.xx.yy.zz                                 (B)  137.127.xx.yy

(C)  107.127.127.xx                           (D)  137.127.127.127

 

             g.   Port number for HTTP protocol is

 

                   (A)  25                                                (B)  80

(C)  50                                                (D)  100

            

             h.   Following layer is not a part of WAP protocol stack

 

                   (A)  WSP                                            (B)  GSM

                   (C)  WDP                                           (D)  SNMP          

 

PART I

Answer any THREE Questions. Each question carries 14 marks.

 

       

  Q.2     a.   Which layer handles the bottleneck problem?  Explain in detail about the layer.                   (7)

 

             b.   What is the difference between packet and frame?                                              (3)

 

             c.   How does a router facilitate interconnection between two or more networks?                     (4)

 

  Q.3     a.   Compare OSI stack and TCP/IP stack.                                                             (5)

 

             b.   How is congestion controlled by TCP? (5)

 

             c.   Why is IP called a best-effort delivery protocol?                                                 (4)

 

  Q.4     a.   Explain in detail Electronic Mail.                                                                         (5)

       

             b.   How does a Web browser work?                                                                      (4)          

            

             c.   How is CGI used in generating dynamic pages?                                                  (5)

 

  Q.5     a.   Why is XML superior to other forms of data exchange?  How is it different from HTML?  Describe any 4 XML tages.                                         (8)

 

             b.   What is the importance of E-commerce?                                                            (6)

 

  Q.6           Write short notes on

 

(i)                  Network security.

(ii)                Cold fusion.

(iii)               File transfer protocol.

(iv)              IP Encapsulation.                                                    (3 ½  x 4 = 14)

            

PART II

Answer any THREE Questions. Each question carries 14 marks.

 

  Q.7           Explain the following terms:

 

(i)                  WWW.

(ii)                URL.

(iii)               DNS.

(iv)              HTML.                                                                        (3 ½  x 4 = 14)

 

  Q.8     a.   What is the difference between static and dynamic web pages?  Also list the steps involved in the retrieval of a dynamic web page.                           (7)                                                             

       

             b.   What is the advantage of Ipv6 over Ipv4?                                                           (7)

 

  Q.9     a.   What do you understand by Middleware?  Explain it by giving an example.         (7)

 

             b.   What is a Cookie?  How is it important in session management?                          (7)

            

Q.10           a.                                                        Give the WAP Architecture and specify the importance of XML in it.                                                           (7)

 

             b.   List the layers in the WAP Stack and explain each of them.                                 (7)

 

Q.11                                                                      Write short notes on the following :

 

(i)                  SNMP.

(ii)                EDI.

(iii)               RPC.

(iv)              IP Telephony.                                                                (3 ½ x 4 = 14)