Computer Networking
The application layer of a network

establishes, maintains, and terminates virtual circuits
All of these
None of these
defines the user's port into the network
consists of software being run on the computer connected to the network

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Computer Networking
The main difference between synchronous and asynchronous transmission is

the clocking is derived from the data in synchronous transmission
None of these
the clocking is mixed with the data in asynchronous transmission
the pulse height is different.
the bandwidth required is different

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