UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE CERTIFICATE IN BUSINESS
INFORMATION TECHNOLOGY / CERTIFICATE IN INFORMATION
CIT103 CBIT103 INTERNET AND THE WEB
DATE: APRIL 2019 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION ONE [30 MARKS]
a) Explain your understanding of the following terminology with regards to computer networks:
i. Network [1 Mark]
ii. VPN [1 Mark]
iii. SAN [1 Mark]
iv. Intranet [1 Mark]
v. WWW [1 Mark]
b) Discuss key milestones in the history of the Internet. [5 Marks]
c) Explain FIVE ways in which the internet has improved operational productivity in
organizations. [5 Marks]
d) Giving relevant examples, explain the difference between Connection Oriented Service and
Connectionless Service with regards to network communication. [5 Marks]
e) Explain your understanding of Protocols with regards to computer networks and differentiate
between IMAP4 and POP3 Protocols. [5 Marks].
f) Define Computer Network Topology and discuss any TWO network topologies of your choice.
QUESTION TWO [20 MARKS]
a) Use a well labelled diagram to discuss the OSI Model. [10 Marks]
b) Discuss FIVE differences between TCP/IP Model and OSI Model. [5 Marks]
c) Explain your understanding of an ISP and outline three examples of ISPs in Kenya.
QUESTION THREE [20 MARKS]
a) Explain your understanding of a URL and discuss any three components of a URL.
b) Explain FIVE typical security threats that an organization’s that uses the Internet are exposed
to and for each case highlight an appropriate remedial tool. [10 Marks]
c) Explain your understanding of e-mail and highlight FOUR reasons why emails are the main
tool for communication in modern organizations. [5 Marks]
QUESTION FOUR [20 MARKS]
a) Discuss your understanding of Client-Server and Peer-to-Peer network architectures and
discuss FOUR differentiating factors between them. [10 Marks]
b) Discuss FIVE different options for connecting to the Internet. [10 Marks]
QUESTION FIVE [20 MARKS]
a) Discuss your understanding of Web Conferencing and highlight two advantages of web
conferencing to an organization. [4 Marks]
b) Explain your understanding of the following terminology related to web development.
i. Web Server [2 Marks]
ii. Website [2 Marks]
iii. Webpage [2 Marks]
iv. HTML [2 Marks]
c) State and explain any FOUR requirements for connecting to the Internet. [8 Marks]