Computer Networking
Which of the following is an advantage to using fiber optics data transmission?

fast data transmission rate
All of these
resistance to data theft
low noise level
few transmission errors

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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 regulate the size of each segment.
To reassemble segments in the correct order at the destination device.
To ensure that data is retransmitted if an acknowledgment is not received.

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Computer Networking
Which three statements are true about the operation of a full-duplex Ethernet network?1. There are no collisions in full-duplex mode.2. A dedicated switch port is required for each full-duplex node.3. Ethernet hub ports are preconfigured for full-duplex mode.4. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.5. The host network card and the switch port must be capable of operating in full-duplex mode.

5 only
2, 3 and 4
2 and 4
1, 2, and 5

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