NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: CIT 322
COURSE TITLE: INTRODUCTION TO INTERNET PROGRAMMING
TIME ALLOWED: 3 HOURS
INSTRUCTION: ANSWER ANY FOUR QUESTIONS IN ALL
1a. Briefly explain the 2 major services available on the Internet. State their definitions and explaintheir history/origin, architecture and uses. (11.5 points).
1b. Briefly explain the following protocols :
i. TCP (2 points)
ii. FTP (2 points)
iii. HTTP (2points)
2a. With the aid of a diagram and suitable examples, explain the client/server model. As part of theexplanation, briefly discuss distributed processing. (9.5 points)
2b. With the aid of a table, state the differences between a web client and a web server. (8 points).
3a. Write the complete HTML code for a web page titled “National Open University”. Attach a cssfile called noun.css to the web page with the following text displayed in the body of the web page:
“The National Open University was established in 2007 to promote open and distance learning in Nigeria”. (11 points)
3b. List and state the function of 3 HTML tags that require no closing/ending tag (4.5 points)
3c. List 2 web browsers (2 point)
4. Write a piece of JavaScript code:
a. 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 points)
b. to calculate the average of the all numbers from 0 to 100 inclusive (ie. 0, 1,2,…,100). The code should display the message: “The average is…” at the end of the calculation. (10 points).
5a. Write a piece of JavaScript code to perform the following operations:
i. Display an alert box with the message: “This is an easy exam”. (6 points)
ii. Display a prompt box with the message: “Please enter your phone number”. (6 points)
5b. Define cloud computing and state how it differs from the traditional client/server model (5.5 points)
6a. Discuss 4 advantages of using cascading style sheets in web development. (12 points)
6b. Briefly describe the different flavors of cascading style sheets (5.5 points).
You can get the exam summary answers for this course from 08039407882
Check anoda sample below
