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Question 1 Explain GSM digital cellular System model
Question 2 Explain cellular Digital Packet Data(CDPD) system with the help of CDPD network reference model
Question 3 Explain the following: CDMA and FDMA
Question 4 Explain the format used for signaling and message structure
Q. Show the Security Policy as well Integrated Security ? Security policy is on paper statement describing what assets are to be protected and why who is responsible and which
Q. Explain the Communication Channel Threats? Secrecy Threat - Secrecy is the avoidance of unauthorized information disclosure - Privacy is the guard of individua
Bridges - Operate in both physical and data link layers - Utilized to divide a network into smaller segments - May as well relay frames between separate LANs - Keeps t
Q. Mechanical Characteristics of RS232 interface? - 9-pin connector - 9-pin connector is more usually found in IBM-PC but it covers signals for asynchronous serial com
Priority and Reservation Higher priority stations may possibly access the token sooner Each station has a priority code Since token passes by station waiting to t
Unguided Media: Wireless - A Wireless communication transporting electromagnetic waves without a physical conductor Wireless Propagation Methods - Ground - radio
As in PRAM, there was no direct communication medium among the processors, therefore another model called as interconnection networks have been designed. In the interconnection net
NETWORK INTERFACE HARDWARE: CPU can't operate data at network speeds. So in order to connect to the network device systems use special purpose hardware for network connection
Memory Pools IOS manages available free memory thorugh memory pool series, which are essentially heaps in the generic sense; each pool is a set of memory blocks that can be al
Q. Why congestion occurs? Congestion Emerge if the load on the network is greater than the capacity of the network - Load that is the number of packets sent to the net
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