NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JANUARY 2012 EXAMINATION

COURSE CODE:                  CIT 322

COURSE TITLE:                   INTRODUCTION TO INTERNET PROGRAMMING

TIME ALLOWED:               2 HOURS

INSTRUCTION:                  Answer any FOUR (4) questions

1a.          Differentiate between Dynamic and Active document                                                                                   5.5 marks

1b.          Differentiate between Intranet and Extranet                                                                                                     6 marks

1c.          State the four basic minimum elements or tags for all HTML documents structure                             6 marks

2a.          Itemize the three components of an email message                                                                                       3 marks

2b.          State the four basic minimum elements or tags for all HTML documents structure                             6 marks

2c.          Briefly explain the following protocols:

1. TCP                        (2.5 points)
2. FTP                         (3.5 points)
3. HTTP                      (2.5 points)

3a.          Explain communications protocols and itemize the most commonly used protocols.                         6 marks

3b.          Write the HTML code for a web form with displayed below                                                                          11.5 marks

Note: Use appropriate names and values for each of the fields. The form should be processed by a file called process.php using the POST method.                                                             10 marks

4a.          List 3 HTML tags that require no closing / ending tag                                                                                        4.5 marks

4b.          List 5 web browsers                                                                                                                                                        5 marks

4c.          Differentiate between POP (Post Office Protocol) and IMAP (Internet Message Access Protocol)

                                                                                                                                                                                                                8 marks

5a.          List any two (2) components of a search engine                                                                                                 1 mark

5b.          Write a piece of JavaScript code that displays the message: “We wish you a merry Christmas!” on a web page. The code should contain one single-line comment of your choice AND one multiple-line comment of your choice.                                                                                                                                                                     7.5 marks

5c.          Differentiate among Application, Streaming and Mail server.                                                                      9 marks

6a.       State the meaning of the following search terminologies                                                    

1. Search tool
2. Metasearch engine
3. Query
4. Query syntax
5. Query semantic
6. Hit
7. Relevancy score                                                                                                          7.5 marks

6b.          Distinguish between Web Client and Web Servers                                                                                           10 marks