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Q. Show the Go-back-N - Control Variables?
- S- holds the series number of the recently sent frame
- SF - holds sequence number of the first frame in the window
- SL - holds the sequence number of the last frame
- R - sequence number of the frame expected to be received
There are two kinds of characteristics in case of network performance. Delay Throughput
Application Layer The application layer provides an interface between application entities and the users computer. This layer offers services to a variety of aspects of d
Q. Illustrate the Drawbacks of stop and wait? Drawbacks of stop and wait - Only one frame is able to be in transit at a time - After every frame sent the host must wai
When the signal hits to each other, collision accord.
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
As we previously know, the merge sort algorithm needs two circuits, i.e. one for merging and second for sorting the sequences. Thus, the sorting circuit has been derived from the a
For VOIP, first you need to consider the codec to use. Although there are many voice codecs, MyCo wants the safest bet and suggests that you design with the most known and oldest c
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
What is the Gateway A Gateway is a device like a mini or microcomputer capable of operating on a standalone basis but which also gives connection for communication with the oth
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