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Distributed Multimedia Systems Question Paper

Distributed Multimedia Systems

Course:Bachelor Of Science In Information Technology

Institution: Kca University question papers

Exam Year:2009

UNIVERSITY EXAMINATIONS: 2008/2009
THIRD YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE IN INFORMATION TECHNOLOGY
BIT 4305: DISTRIBUTED MULTIMEDIA SYSTEMS
DATE: AUGUST 2009 TIME: 2 HOURS
INSTRUCTIONS: Answer question ONE and any other TWO questions
QUESTION ONE (Compulsory 30 Marks)
a) Differentiate the following concepts [6 Marks]
i. Distributed operating system and Network operating system
ii. Media and Mutlinedia
iii. static aspects and dynamic aspects of QoS Management
b) The introduction of multimedia computing puts a large number of new requirements on distributed
system. List and discuss any such four categories of requirements. [6 Marks]
c) Video content adaptation can be achieved through different strategies. List any such three known
models in the literature. [3 Marks]
d) Define the following terminologies as used in Distributed Multimedia System: [4 Marks]
i. admission control
ii. Inter object synchronization
iii. traffic shaping
iv. flow specification
e) List and explain any three Real Time Streaming Protocol (RTSP) properties [3 Marks]
f) Explain the following video payload formats [2 Marks]
2
i. MPEG
ii. H.263
g) Most multimedia compression algorithms are lossy. Explain. [ 2 Marks ]
h) Using an illustration explain typical infrastructure components for multimedia applications
[ 4 Marks ]
QUESTION TWO (20 Marks)
a) Using an illustration explain the QoS Manager’s Task [ 6 Marks ]
b) Illustrate and explain the following algorithms [ 8 Marks ]
i. Leaky Bucket Algorithm
ii. Token Bucket Algorithm
c) Define the concept of “rate-monotonic scheduling” [ 2 Marks ]
d) describe four main characteristics of Multimedia data [ 4 Marks]
QUESTION THREE (20 Marks)
a) RTCP provides control stream associated with the data stream. Describe the three main functions
of the protocol. [3 Marks]
b) Briefly describe three main Session Initiation Protocol(SIP) services [3 Marks]
c) Describe Rate–distortion theory [2 Marks]
d) List any two Audio codecs [2 Marks]
e) Explain any four security threats to distributed multimedia systems environment [4 Marks]
f) Describe the steps in which remote procedure call occurs [ 6 Marks ]
QUESTION FOUR (20 Marks)
a. Describe any three replication systems requirements that distributed multimedia systems need to
address. [ 6 Marks]
b. Differentiate between Double buffering and triple buffering mechanisms [ 4 Marks ]
c. give any two examples of streaming servers [ 2 Marks ]
d. Using a diagram describe the synchronization reference model layers [ 8 Marks ]
3
QUESTION FIVE (20 Marks)
a) Define the concept of Entropy [ 2 Marks ]
b) List and describe any three Entropy coding methods. [ 6 Marks ]
c) Multimedia databases, when compared to traditional databases have special requirements. Explain
any such four. [ 4 Marks ]
d) To effectively and efficiently access information from multimedia databases, certain design criteria
for user interface should be observed. describe any five [ 5 Marks ]
e) Briefly explain any three distributed systems types of failure [ 3 Marks ]

Distributed Multimedia Systems Question Paper

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