Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

can send or receive data one at a time
can do one way data transmission only
can receive and send data simultaneously
None of these
cannot talk at once

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Computer Networking
What is the purpose of flow control?

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.
To provide a means for the receiver to govern the amount of data sent by the sender.

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