BNT401-MULTIMEDIA NETWORKING

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ASSIGNMENT

WINTER	2013
PROGRAM	BSc NT
SEMESTER	iv
SUBJECT CODE & NAME	BNT401-MULTIMEDIA NETWORKING
CREDIT	4
BK ID	B1553
MAX. MARKS	60

Q.1. What is compression? Brief the factors that involved in the compression scheme. List the compression methods for different types of media

Answer : Compression :

In computer science and information theory, data compression or source coding is the process of encoding information using fewer bits (or other information-bearing units) than an unencoded representation would use, through use of specific encoding schemes. In computing, data reduplication is a specialized data compression technique for eliminating coarse-grained redundant data, typically to improve storage utilization. Compression is useful because it helps reduce the consumption of expensive resources, such as

Q.2. Discuss any five tasks of TCP in communication service

Answer :  Despite the complexity of TCP, its basic operation can be reasonably simplified by describing its primary functions. The following are what I believe to be the five main tasks that TCP performs:

1. Addressing/Multiplexing:

Q.3. What is group communication? Discuss any three method or technique used by the communication agent for collaboration

Answer :

The efficient transmission of multimedia is a key component in current and future services. The work of the Multimedia Communications Group in this area focuses on the interaction between video coding and the transmission characteristics of wired and wireless networks including used protocols and error protection mechanisms. For the

Q.4. What are called QoS mechanism? Explain any two QoS mechanism based on bandwidth management

Answer : QoS mechanism :

QoS mechanisms provide improved service to network users while enabling the network administrator to manage network resources efficiently. These mechanisms include both traffic handling mechanisms and provisioning and configuration mechanisms. Traffic handling mechanisms include queuing algorithms and packet classification. These may be applied to aggregates of traffic or to per-conversation traffic flows. Provisioning

Q.5. What is VOIP? Discuss any four challenges faced by the VOIP

Answer :  VOIP :

Voice over Internet Protocol (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, voice over broadband (VoBB), broadband telephony, IP communications, and broadband phone service.

The term Internet telephony specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the

Q.6. Discuss any five DRM technique in brief

Answer :  Digital Rights Management (DRM) is a class of technologies that are used by hardware manufacturers, publishers, copyright holders, and individuals with the intent to control the use of digital content and devices after sale; there are, however, many competing definitions.

DRM systems typically include the following techniques:

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