How does a parity check work?
A.checking whether the number of 1s in a byte is odd or even and whether it is like the original
B/.checking the exact number of 1s in a byte against the original
C.checking whether the total number of digits in the byte is odd or even and whether it is like the original
D.checking the exact number of digits in the byte

In which of the following situations will an ARQ be returned?

A.a frame is not received
B.a frame is received
C.an error in the link causes the frame to not be received
D.a frame is received with errors and thus rejected

Respuesta :

The simple explanation of how a parity check works is:

  • A. Checking whether the number of 1s in a byte is odd or even and whether it is like the original

The situation which will return an ARQ is:

  • D. A frame is received with errors and thus rejected

What is a Parity Check?

This refers to the authentication process whereby there is a check to see if the data being transmitted is accurate and is the same with the original for security purposes.

This process has to do with the number of 1s in a byte whether odd or even and if they are the same after transmission from the nodes.

With this in mind, we can see that when a packet is missing, then it is a ARQ system and this is an acronym that means Automatic Repeat Request and occurs when a frame is received with errors and thus rejected.

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