What Are Two of the Actions You Can Take to Troubleshoot

Multiple Choice

What are two of the actions you can take to troubleshoot a virtual machine instance that won't start up at all? (Select 2 answers.)

A) Increase the CPU and memory on the instance by changing the machine type.
B) Validate that your disk has a valid file system.
C) Examine your virtual machine instance's serial port output.
D) Connect to your virtual machine instance using SSH.