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What are the responsibilities of Application Layer?
The Application Layer enables the user, whether human or software, to access the network. It gives user interfaces and support for services like e-mail, shared database management and other types of distributed information services.
a. Network virtual Terminal
b. File transfer, access and Management (FTAM)
c. Mail services
d. Directory Services
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
Q. Describe Flow and Error Control Mechanisms? Flow and Error Control Mechanisms - Stop and Wait ARQ - Go-Back ARQ - Selective Repeat ARQ
What is redirector in Networking? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer
Q. Define internet network address? The internet network address is additional commonly called the -IP address.? It consists of 32 bits a few of which are allocated to a hi
DLCI- Data Link Connection Identifier. A frame-relay service provider usually assigns DLCI values that are used by frame-relay to distinguish among different virtual circuits on th
Along any transmission path from a given source to a given destination, a group of virtual circuits can be grouped together into what is known as path.
Question: a) Explain briefly three typical network topologies giving one advantage and one disadvantage of each topology. Explain the three topologies with appropriate diagrams
What is the benefit of using classless addressing over classfull addressing scheme?
It is one of the models based on PRAM. In this model, the processors access the memory locations concurrently for reading as well as writing operations. In the algorithm, which use
Why does collision happen in HUBS and repeaters?
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