What is causing this behavior on the switch?

exams DNDNS-200 DNDNS-200 exam 0 Comments

Refer to the exhibit.

A network engineer is installing a new Dell S-Series switch on the rack and notices that the Power LED is blinking yellow.

What is causing this behavior on the switch?
A . One of the fans has failed.
B . One of the power supplies has failed.
C . The switch is still rebooting.
D . A problem has occurred with the stack cables.

Answer: B