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Question:
(a) Show the main elements of the GSM system architecture and describe their functions.
(b) Looking at the HLR/VLR database approach used in GSM-how does this architecture limit the scalability in terms of users, especially moving users?
(c) Protocol stacks are divided into planes. What is the purpose of the division C/U/M planes.
(d) Why is there a difference in the performance of a UTRAN depending of a vendor?
(e) A system has an overall throughput of 2 Mbps. OVSF codes are used. Two subscribers are using the spreading factor SF=4.
(i) How many subscribers with SF=16 can transmit data simultaneously?
(ii) What is the transmission rate for the subscribers when a constant chip rate is assumed?
(f) Show the basic handover types in UMTS.
Problem 1. Explain the term Switching. Describe the following Switching Mechanisms a) Circuit Switching b) Packet Switching c) Message Switching Defining Switching
Half duplex is analogous to a one a lane bridge, it can handle traffic in both directions but no at the similar time.
How is load balancing acoomplish in IGRP?
Can you describe different components in PKI?
Q. Basic working of Spanning Tree? Spanning Tree - Redundant bridges may be installed to provide reliability - To prevent infinite looping of packets between bridges,
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
The client side building block moves towards the client side of the application. The server side building block moves towards the server side of the application.
Configure VTP Pruning on the Switches VTP pruning permits a VTP server to suppress IP broadcast traffic for particular VLANs to switches that do not have any ports in that VLAN
Question The circuit in the figure is driven by a 9 mV amplitude signal generator with an output impedance of 2 kW. What is the output voltage amplitude from the circuit in the
Can you define Ping and Tracert?
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