UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE DIPLOMA IN INFORMATION
TECHNOLOGY
DIT306 STRUCTURED CABLING
DATE: AUGUST 2019 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION ONE
a) . Describe THREE methods that Packet-based switches may use for routing traffic.
(6 Marks)
b) Differentiate between (4 Marks)
i. Noise and Crosstalk
ii. Centralized and Distributed Cabling Topologies
c) Discuss any FIVE Applications of Structured Cabling that you may have come across during
our class lessons (5 Marks)
d) With the aid of a diagram, explain how fiber optics work. (6 Marks)
e) Describe any FOUR selection criteria can you use when purchasing internetworking devices
for your design customer? (4 Marks)
f) Describe what attenuation is? And discuss any two primary causes of it (5 Marks)
QUESTION TWO
a) Describe the following types of crosstalk (2 Marks)
i. FEXT
ii. ELFEXT
b) Discuss FOUR reasons why a cable installation can experience attenuation? (4 Marks)
c) Discuss FOUR fundamental differences between a CAT 5E UTP and CAT 6 UTP.
(4 Marks)
d) Discuss the advantages of proper structured and unstructured network. (5 Marks)
e) Discuss THREE difference between UTP and STP as used in Telecommunication industry.
(3 Marks)
f) Explain why it is important to investigate Horizontal and Backbone pathways when conducting
pre-cabling preparation. (2 Marks)
QUESTION THREE
a) Discus the two connections normally required for a digital security camera to be made when
it is installed. (5 Marks)
b) Describe Five Wiring Installation Errors that a Wire Map Test canidentify. (5 Marks)
c) You as a technician from KCA University, Discus the steps you should follow for
troubleshooting communication cables in the campus. (10 Marks)
QUESTION FOUR
a) The ANSI/TIA/EIA Standard identifies for distributing inter-building backbone cables to
multiple buildings on campus. Describe the FOUR Methods of this standard (4 Marks)
b) You as a technician, you have been contacted by KCA Ruaraka campus for cabling installation,
safety rules are to be followed. Discuss any FIVE cable installation
safety guides to observe and be followed. (5 Marks)
c) Describe FOUR factors to be considered when selecting a transmission media (4 Marks)
d) Discuss the following Ethernet Standards (4 Marks)
I. 10BaseFB:
II. 100Base-T:
III. 100Base-FX:
IV. 10GigabitEthernet:
e) Discuss THREE features of a Thick-net cable. (3 Marks)
QUESTION FIVE
a) Describe the three fundamental media types used in campus networks (3 Marks)
b) Give any THREE differences between multimode and single mode types of fiber
(3 Marks)
c) Explain FIVE GUIDENCE of wireless security (5 Marks)
d) Discuss FIVE advantages of the TIA/EIA 568 Commercial Building Telecommunication
Cabling standards. (5 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. (4 Marks)
