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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.
What is Framing? Framing in the data link layer divides a message from one source to a destination, or from other messages to other destinations, by adding a sender address and
Internet Protocols Control Protocols ( IPCP) The internet protocols control protocols establishes configures and terminates the TCP/ IP network protocols layer in a PPP
Time out The protocols name Go Back N is derived from the sender behaviour in the presence of lost or overly delayed packets. A timer will again be used to recover
Database servers connected as a cluster to the main server There could be three database servers connected as a cluster to the main server to provide better connectivity and se
"arpa" is used by the Cisco IOS for which encapsulation types Ans) Ethernet_II
QUESTION a) National regulations require the availability of the following services for all IP to PSTN, PSTN to IP, and IP to IP calls. Name any three types of these features
what is the use of route print?
Given the address 172.16.2.120 and the subnet mask of 255.255.255.0. How many hosts are available? Ans) 172.16.2 120 is a standard Class B address with a subnet mask that permit
Burn in Address other name is MAC address
Describe in details about applications of Computer Networks ?
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