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Define the tasks for which SNS is used
SNA can be used for the following types of tasks:
- Terminal access to mainframe and midrange computer applications.
- File transfer of data among computer systems.
- Printing of mainframe and midrange data on SNA printers.
- Program-to-program communications that permit applications to exchange data over the network.
SNA can be executed in a networking infrastructure that uses either a hierarchical or peer-to-peer model.
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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.
Types of Redundancy Checks Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redundancy Check)
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Can you describe L2TP?
REPEATERS: Repeaters are needed when copper wire communication is takes place. According to the fact that electrical signal goes weaker while travelling over copper lines. A
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