Which of the following statements regarding the basic device information check is true?
A . You can run the display patch-information command to check patch information.
B . The device time should be consistent with the actual time (time difference ≤ 24 hours) so that a fault can be accurately located based on the occurrence time.
C . The debugging functions can be enabled when the device is running properly.
D . You can run the display current-configuration command to check the PCB version and the software version of a card.
Answer: A