Computer Networking
A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?

12 Mbaud/sec
None of these
1.5 Mbaud/sec
6 Mband/sec
24 Mbaud/sec

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Computer Networking
What is the purpose of flow control?

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

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