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Q. Explain Full Duplex data transmission?
- Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions).
- If this is through we have two separate physical circuits each with a "forward" channel (for data) and a "reverse" channel (for acknowledgements).
- In both cases the bandwidth of the reverse channel is approximately entirely wasted and in effect the user is paying for two circuits but using only the capacity of one.
- A better idea is to utilize the same circuit for data in both directions and in this model the data frames from A to B are intermixed with the Acknowledgement frames from A to B.
- By gazing at the kind field in the header of an incoming frame the receiver can tell whether the frame is data or acknowledgement.
Q. What are the TCP Services? TCP - Services Full Duplex Service Connection Oriented Service Reliable Service
Broadcast and Multicast : Broadcast and Multicast :In the broadcast interconnection network, at one time one node transfer the data and all other nodes get that data. Broadca
explain benz network?
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
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Router(config-if)# bandwidth 56
Q. Show the TCP/IP and OSI Similarities? TCP/IP and OSI Similarities - Both have Layers - Both have Application Layers - Have Comparable Transport and Network Layer
Define the tasks for which SNS is used SNA can be used for the following types of tasks: - Terminal access to mainframe and midrange computer applications. - File trans
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