NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER 2019 EXAMINATION

COURSE CODE: CIT753
COURSE TITLE: INTRODUCTION TO THE INTERNET
COURSE CREDIT: 3 UNITS
TIME ALLOWED: 2½ HOURS
INSTRUCTION: ANSWER QUESTION 1 AND ANY OTHER FOUR (4) QUESTIONS

Question 1
a) i) Differentiate between broadband and baseband transmission (4marks).
ii) Explain the Objectives of World Wide Web development as proposed by Tim Berners-Lee of CERN in late 1989 (3Marks)
b) i) Outline the steps to add E-mail or Newsgroup Account (4 marks)
ii) Provide the basic HTML structure (4 Marks)
c) i) Differentiate between IPv4 and IPv6 ( 5 Marks)
ii) Describe Internet Relay Chart (2 Marks)

Question 2
a) Provide three (3) guides for effective search in internet (6 marks)
b) State the subclass of an IP address and explain their differences (4Marks)
c) Enumerate four (4) Advantages of using Email (2 marks)

Question 3
a) Develop a Mailto command in HTML and illustrate this with an example ( 5 marks)
b) Analyse what happen in this hyperlink syntax <a href= http:// www.google.com>Click Google </a> (5marks)
c) Give a brief description of the World Wide Web? (2Marks)

Question 4
a) Write down in an orderly manner, the steps for adding a counter to your webpage (6 Marks)
b) Propose steps orderly for adding a banner to your web site (6 Marks)

Question 5
a) i. What is a theme? (2 marks)
ii. Organize the steps of adding a theme to your web page (4 Marks)
b) Write the syntax and effect of using the following tag in HTML (6 Marks)
i. <p> ii <b> iii <br> iv <abbr>
v <h1> vi <TT>

Question 6
a) Formulate the sequential Steps required to set-up Local Intranet Zone (6 Marks)
b) Using Explorer, outline the steps employed in configuring high level of security (6 Marks)