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.