Non-Stop Forwarding (NSF) means that when a certain type of fault occurs on the device, data forwarding is still performed normally to protect the key business functions on the network. Which of the following scenarios does the NSF function fail to perform data forwarding normally?

Non-Stop Forwarding (NSF) means that when a certain type of fault occurs on the device, data forwarding is still performed normally to protect the key business functions on the network. Which of the following scenarios does the NSF function fail to perform data forwarding normally?
A . XCS board hard reset (XCS board has 1+1 protection)
B . Soft reset of service processing board
C . Hard reset of service processing board
D . XCS board soft reset (XCS board is not protected)

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Answer: C