Computer Networking
What is the purpose of flow control?

To provide a means for the receiver to govern the amount of data sent by the sender.
To reassemble segments in the correct order at the destination device.
To ensure that data is retransmitted if an acknowledgment is not received.
To regulate the size of each segment.

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

network access standard for connecting stations to a circuit-switched network
a very common bit-oriented data link protocol issued by ISO.
None of these
a method of determining which device has access to the transmission medium at any time
a method access control technique for multiple-access transmission media.

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