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Which of the following is a method of network monitoring when a controlling device is continuously (or frequently) checking the state of other network devices?
Token passing
Polling
CSMA/CA
CSMA/CD
This describes the process of polling. Token passing is a technique of transmitting a repeating frame (token). CSMA (carrier sense multiple access) is the method where device wanting to transmit listens to the network to either detect collisions (CD) or to avoid collisions (CA).
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