UNIVERSITY EXAMINATIONS: 2017/2018
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE
INFORMATION COMMUNICATION TECHNOLOGY
BCT 2305 NETWORK SUPPORTED MULTIMEDIA TECHNOLOGIES
FULL TIME/PART TIME
DATE: AUGUST, 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION ONE
a) Explain the meaning of network multimedia operating system (2 Marks)
b) State the Nyquist sampling theorem (2 Marks)
c) What is jittering in networks (2 Marks)
d) Define Quality of service as used in networked multimedia (3 Marks)
e) How should the Internet evolve to better support multimedia? (6 Marks)
f) Distinguish between lossy and lossless methods in data compression giving TWO
examples of each (6 Marks)
g) Identify THREE classes of multimedia networking applications and give TWO examples
of each (9 Marks)
QUESTION TWO
a) Describe Voice over Internet Protocol (VOIP) (5 Marks)
b) Describe the OSI model using a suitable diagram (9 Marks)
c) Explain why UDP is preferred in network supported multimedia (6 Marks)
QUESTION THREE
a) Give the ranges of IP addresses for class A (2 Marks)
b) What is a content distribution network (CDN) and give two examples. (6 Marks)
c) Describe videoconferencing application and stating the essential components and relevant
standards and protocols (8 Marks)
d) Explain the following
i) Throughput (2 Marks)
ii) Delay (2 Marks)
QUESTION FOUR
a) State FOUR scheduling policies in network supported multimedia (4 Marks)
b) Describe
i) Real time Protocol(RTP) (5 Marks)
ii) Session Initiation Protocol(SIP) (5 Marks)
iii) Multicasting with respect to multimedia networks (6 Marks)
QUESTION FIVE
a) Explain Traffic Management in Networks (5 Marks)
b) A network has the following specifications
Resolution 5280×4510
Colour depth of 24bits
Duration 2 hours
Frame rate of 30fps
800 users
Required
Calculate the required bandwidth to stream a video showing your working clearly and
state any assumptions you make. (15 Marks)
