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Q. Show a simplex Stop and Wait automatic repeat request?
A simplex Stop and Wait ARQ
- Normal Operation
- Frame lost
- Acknowledgement lost
- Acknowledgement delayed
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
In link-state routing network topology is filled from route calculation. Switches send link-state information about local joins. Every switch creates own routing tables. It needs
Networks Edge and Technologies Network Edge provides information exchange between the access network and the core network. The devices and facilities in the network
Describe in proper details about OSI Model ? Explain the functions and protocols and services of each layer ?
There are two kinds of characteristics in case of network performance. Delay Throughput
Which layer is responsible for coordinating communication between systems Ans) The Session layer performs the following: Responsible for establishing and maintaining connections
MIME The Multipurpose Internet Mail Extensions While the message headers described in are satisfactory for sending ordinary ASCII text they are not sufficiently Reich for
Can you describe Application layer in OSI model?
what is protocol?
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