NSF (Non-Stop Forwarding) means that when a certain type of device failure occurs, data forwarding is still performed normally to protect the key services on the network. In which of the following scenarios will the NSF function fail to perform data forwarding normally?

NSF (Non-Stop Forwarding) means that when a certain type of device failure occurs, data forwarding is still performed normally to protect the key services on the network. In which of the following scenarios will the NSF function fail to perform data forwarding normally?
A . XCS board hard reset (XCS board has 1+1 protection)
B . Soft reset of the service processing board
C . Hard reset of the service processing board
D . XCS board soft reset (XCS board has no protection)

Answer: C