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Q. Illustrate Stop-and-Wait Automatic Repeat request?
- Simplest flow as well as error control mechanism
- The sending device keeps a duplicate copy of the last frame transmitted until it receives an acknowledgement
- Frames signifies alternately numbered as 0 and 1
- ACK for frame0 = ACK 1 and for frame1= ACK0
- Out of order frames as well as erroneous frames are discarded and no ACK is sent
- Timers
- Control Variables
The School of Computing is planning to deploy a new network structure to accommodate the following scenario. Please make suggestions on how this LAN can be designed based on the fl
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Advantages of Bridges By forwarding frames only to the segment where host resides a bridge server the following purpose. a.Unwanted traffic as well as network c
Question: Consider that you have to configure a small WLAN of 8 computers using Wired Equivalent Privacy (WEP) and that you have to best make use of its available security f
Explain Logical Ring Physical Star topology for Token-Passing Standard. It is definite that any break in the ring at any point will interrupt communications for all machines.
What are the data units at different layers of the TCP / IP protocol suite? The data unit formed at the application layer is known as a message, at the transport layer the data
What is the meaning of P-persistent If the medium is idle, transmit with probability p, and delay one time unit with probability (1 - p); if the medium is busy, continue to lis
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not sequence data or re-ass
In IPSec what is SAD, SPD and SA's?
Question: a) In a wireless network where WEP is enforced as security mechanism, what procedure would the network manager adopt for changing WEP default keys. b) Using Pla
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