UNIVERSITY EXAMINATIONS: 2016/2017
EXAMINATION FOR THE DIPLOMA IN INFORMATION
TECHNOLOGY/DIPLOMA IN NETWORK SECURITY AND COMPUTER
FORENSIC
DIT 106 DNF105 INTERNET PROTOCOLS AND TECHNOLOGY
SPECIAL/SUPPLEMENTARY EXAMINATION
DATE: JULY, 2017 TIME: 2 HOURS
INSTRUCTIONS: Answer any THREE questions.
QUESTION ONE
a) “The Internet has no owner”. Explain the meaning of this statement [3 Marks]
b) Define these terms below; [6 Marks]
i. URN
ii. URL
iii. HTTP
iv. browser
v. NNTP
vi. FTP
c) The Internet is a packet switched network. Define the term “packet switched”. [2 Marks]
d) Describe the use of the Internet Protocol in the Internet [3 Marks]
e) Write the html code for a simple web-page with the title “a simple web-page”. [6 Marks]
The content for the body is shown below
A SIMPLE WEB-PAGE
The world wide web is a popular service on the Internet. Web pages are constructed
using HTML
HTML is NOT a programming language
QUESTION TWO
(a) Internet services use the client-server model. Explain how the client-server architecture
functions. Suitable diagrams may be used [4 Marks]
(b) For the Internet services listed below, give the client and server programs used. In each case
give an example [4 Marks]
i. E-mail
ii. World wide web
(c) Explain the term “application protocol” as used on the Internet [2 Marks]
(d) Briefly outline the world wide web’s operation and the HTTP protocol [5 Marks]
(e) Using any browsers, explain steps for doing the following; [4 Marks]
i. Make www.kca.ac.ke/ the home page for the browser
ii. Bookmark the web-page www.kca.ac.ke/
QUESTION THREE
(a) Briefly state three typical equipment/ devices needed for an internet connection. Give the role
of each [3 Marks]
(b) Briefly discuss the dial-up internet connection [3 Marks]
(c) Give an advantage and a disadvantage of DSL (digital subscribe line) internet connection
method [2 Marks]
(d) Give the difference between the Internet and Intranet [2 Marks]
(e) Define the term protocol [2 Marks]
(f) List and explain four uses of the Internet [4 Marks]
(g) With the aid of an example, show the parts of the following addresses; [4 Marks]
i. e-mail
ii. URL
QUESTION FOUR
(a) List three properties of Internet backbone links [3 Marks]
(b) List four factors to consider when selecting an ISP [4 Marks]
(c) Give three advantages in using a .ke (dot ke) domain name [3 Marks]
(d) Briefly explain how the Domain Name System works [4 Marks]
(e) Describe the difference between [3 Marks]
i. domain name and IP addresses
ii. web-server and web-client
(f) Outline the steps taken in registering a domain name [3 Marks]
QUESTION FIVE
(a) Describe the use, operation and functions of the following protocols [8 Marks]
i. TCP (Transmission control protocol)
ii. SMTP (Simple Mail Transfer Protocol)
(b) Explain the meaning of the following; tag, element, attribute and attribute value [4 Marks]
(c) Name two organizations involved in the running of the Internet. Give one role for each
[4 Marks]
(d) Outline two social issues affecting Internet users [4 Marks]
