UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY/ BACHELOR OF BUSINESS IN
INFORMATION TECHNOLOGY
BIT3204A DISTRIBUTED MULTIMEDIA SYSTEMS
FULL TIME/PART TIME/DISTANCE LEARNING
DATE: DECEMBER, 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION ONE
a) Define a distributed 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 (RSVP) (5 Marks)
b) Describe the OSI model using a suitable diagram (9 Marks)
c) Explain why UDP is preferred in distributed multimedia systems (6 Marks)
QUESTION THREE
a) What is hypermedia (2 Marks)
b) List SIX trends that have given a boost to multimedia application in organizations.
(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 distributed multimedia systems (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 clear and state
any assumptions (15 Marks)
