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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"?
If a client gives a 4096-byte request to a server located 50 km away on a 1 Gbps fiber optic, then what is the efficiency of the line during this time? Suppose that the server give
Define the analog audio and video conferencing systems When analog audio and video conferencing systems were used, the procurement and installation was complex, less reliable a
Question: (a) With the help of a diagram, describe a typical DNS system. (b) Using signal sequence or state transition diagrams, illustrate the following scenarios: i.
Q. Show the Flow characteristics? Flow characteristics Reliability - if lacking means that packets or ACKs are lost - more important with FTP, SMTP than with audio
Q Illustrate Unipolar line coding? - Simplest method is inexpensive - Utilizes only one voltage level - Polarity is habitually assigned to binary 1 a 0 is represented by
Connection oriented
Half duplex is analogous to a one a lane bridge, it can handle traffic in both directions but no at the similar time.
In distributed data processing, explain two scenarios where vertical partitioning and horizontal partitioning are used. Distributed Data Processing The distributed data pro
Design, develop and build network systems
Linked List A linked list is a data structure composed of zero or extra nodes linked by pointers. Each node consists of two parts, as shown in Figure: info field having specifi
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