Posted by: Pdfprep
Post Date: December 18, 2020
Fiber switch
Since there is a certain dependency between the above devices, the power-down needs to be performed according to a certain sequence.
Which of the following power-off sequences is correct:
A . 4 1 2 3
B . 4 2 1 3
C . 1 2 3 4
D . 3 2 1 4
Answer: C