What should you do next?

Your application is running on Compute Engine and is showing sustained failures for a small number of requests. You have narrowed the cause down to a single Compute Engine instance, but the instance is unresponsive to SSH.

What should you do next?
A . Reboot the machine.
B . Enable and check the serial port output.
C . Delete the machine and create a new one.
D . Take a snapshot of the disk and attach it to a new machine.

Answer: B