Câu 12: 4A0-100: Alcatel-Lucent Scalable IP Networks

Which of the following best describes a repeater?

1. A. A passive device simply used to connect two or more cables. Does not generate or amplify any signals.
2. B. A device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the data. — đáp án hiện tại
3. C. A device that receives a signal and based on the Layer 2 destination address, makes a decision on which ports the signal should be retransmitted.
4. D. A device that receives a signal and based on the Layer 3 destination address, makes a decision on which ports the signal should be retransmitted.