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Question :
a) Describe the following core components of a cellular based network:
i) Cell ii) MSC iii) HLR & VLR iv) PSTN
b) Explain why frequency reuse is considered as a major design consideration in cellular networks.
c) Explain the terms:
i) Roaming ii) Handoff
d) GSM is a popular second generation (2G) wireless technique. What are its advantages over first generation networks (1G)?
e) What are the key differences between GSM and GPRS networks?
f) What do you understand by "3G is not one standard, but a family of standards which can all work together"?
A UDP header does not have Sequence number and Acknowledgement number fields. Is it an advantage or a disadvantage? Explain your answer in detail. User Datagram Protocol Th
Dijkstra Algorithms To calculate its routing table each router applies an algorithm called the dijkstra algorithm to its state database. The dijkstra algorithm calculate
Explain BGP
Determine the uses of firewalls The firewalls available today do all the things, viz., like filter the data packets, provide proxy services and do stateful inspection of packet
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
There is only an application layer which is closer to user and also gives many application which user directly linked.for ex:- web browser
Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.
What is the disadvantage of a star topology? One major drawbacks of star topology is that once the central hub or switch get damaged, the whole network becomes unusable.
Q. Show the Bidirectional Transmission? Bidirectional Transmission Each party must maintain S and R to track frames sent and expected Piggybacking hooking ACK wit
what is the history behind n.s.t.i.s.s.c
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