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Sonet Devices
STS Mux or DMux either multiplexes signals from multiple sources into an STS or demultiplexes an STS into different destination signals.
Regenerator is a repeater that takes a received optical signal and regenerates it. This devices function at the data link layer.
Add/drop multiplexer is able to add signals from different sources into a given path or remove a desired signal from a path and redirect it without demultiplexing the entire signal.
Sole Access Protocol The atomic operations, which have conflicts, are handled using sole access protocol. The process used for synchronization in this protocol is given below:
Q. Show the Drawbacks of Go-back-N? Drawbacks of Go-back- N - Inefficient - Every out of order received packets are discarded (receiver side is simplified) - This
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
.test a number to be prime number in network security
One of the key roles of a System/Network Administrator is to monitor log files. This usually requires helper scripts (i.e. Perl programs) so a summary of large log files can be qui
You have been asked to design a Banking Network with two primary types of locations. Branches that will have 3 subnets, one /25 subnet one /26 subnet for ABMS and one /26 s
State the Disadvantages of adaptive routing process (1) The routing decision is more difficult; thus, the processing burden on network nodes enhances. (2) In most cases, ad
What are General Middleware? It contains the communication stacks, authentication services, distributed directories, network time, RPC, Queuing services with the network OS ext
what are the applications of different encoding schemes
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