UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE DIPLOMA IN INFORMATION
TECHNOLOGY
DIT306 STRUCTURED CABLING
FULLTIME/PARTIME
DATE: NOVEMBER, 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE AND any other TWO questions.
QUESTION ONE
a) Explain why it is important to investigate Horizontal and Backbone pathways when
conducting pre-cabling preparation. (2 Marks)
b) Discuss any FOUR causes of attenuation. (4 Marks)
c) Discuss THREE features of a Thick-net cable. (3 Marks)
d) State the color code of a straight cable and a cross over network cable. (4 Marks)
e) As a technician at KCA University, you have been appointed to sit on the procurement
committee to discuss considerations needed when choosing a communication media.
Discuss what you will put into considerations when choosing a communication media.
(8 Marks)
f) Discuss the following Ethernet Standards (4 Marks)
(i) 10BaseFB
(ii) 100Base-T
(iii) 100Base-FX
(iv). 10GigabitEthernet
g) Describe the following types of crosstalk. (2 Marks)
(i) AXT
(ii) FEXT
h) Study the theory below:-
You may be near the sever on a network and your tasks are identified last. Discuss
(3 Marks)
QUESTION TWO
a) With an aid of a diagram, explain the principle behind how Optical Fiber transmits light
(8 Marks)
b) Identify and describe the elements that are recommended for structured cabling networks
(8 Marks)
a) State the factors to be considered when selecting a transmission media (4 Marks)
QUESTION THREE
a) Discuss the advantages of proper structured and unstructured network. (10 Marks)
b) Discuss the components of communication (5 Marks)
c) Clearly prepare a questionnaire with the key fields for an administrator to use when
planning or expanding a network. (5 Marks)
QUESTION FOUR
a) Discuss FOUR different methods for distributing inter-building backbone cables to
multiple buildings on a campus (8 Marks)
b) The process of testing communication cables is divided into THREE phases. Discuss.
(6 Marks)
c) Discuss the difference between UTP and STP as used in Telecommunication industry.
(6 Marks)
QUESTION FIVE
a) Give any FOUR differences between Connection oriented and Connectionless service
(8 Marks)
b) Explain FIVE GUIDENCE of wireless security (5 Marks)
c) Differentiate between bounding and grounding (3 Marks)
d) Discuss FOUR advantages of the TIA/EIA 568 Commercial Building
Telecommunication Cabling standards. (4 Marks)
