NATIONAL OPEN UNVERSITY OF NIGERIA
University Village, Plot 91, Cadastral Zone,
Nnamdi Azikiwe Expressway, Jabi, Abuja
FACULTY OF SCIENCES
JULY 2018 EXAMINATIONS
Course Code: CIT753
Course Title: Introduction to the Internet
Time Allowed: 3 Hours
Instruction: Answer Question 1 (22 marks) and any other four questions (12 marks each)
1a) Discuss any five services provided by the Internet (10 marks)
1b) Identify and write out the meaning of domain categories (6 marks)
(i) net (ii) org (iii) it (iv) com (v) edu (vi) mil
1c) Write out in full the following acronyms (6 marks)
(i) ISP (ii) FTP (iii) TCP/IP (iv) DNS (v) HTTP (vi) ASCII
2a) Describe the following terms (6 marks)
i) Gopher (ii) File Transfer Protocol (iii) Telnet
2b) State three objectives of world wide web development (3 marks)
2c) Explain the significance of a Counter on a webpage (3 marks)
3b) Discuss the advantages of Using E-mail (6 marks)
3c) Explain the limitation of Internet Protocol version four. (6 marks)
4a) Do you really think you need hard copy of documents you find on the Internet? What is the reason for your answer? (4 marks)
4b) Explain the concept of World Wide Web (4 marks)
4c) Enumerate four factors contributing to the early growth of world-wide-web (4 marks)
5a) State the major differences between Simple Mail Transfer Protocol and Multipurpose Internet Mail Extension (4 marks)
5b) Distinguish between Post Office Protocol and Internet Mail Access Protocol (4 marks)
5c) List two major information needed to subscribe to a newsgroup and of what importance are the information? (4 marks)
6a) Differentiate between the home page of your browser and refresh button (4 marks)
6b) State when you will need to use these buttons (4 marks)
i) The Stop Button
ii) The Forward Button
iii) The Home Button
iv) The Back Button
6c) State some reasons for using your History button in the Internet Explorer (4 marks)
You can get the exam summary answers for this course from 08039407882
Check anoda sample below
