which two tasks could you perform to validate that it i…

After successfully creating an Oracle Linux instance, which two tasks could you perform to validate that it is working?

A.
Log in to the instance with its public IP address from an external host by using SSH.

B.
Ping the instance from an external host by using the public IP address of the instance.

C.
Ping the instance from an instance in another security list in the same domain, using the private IP address of the instance.

D.
Log in to the instance with its private IP address from an instance in the same security list by using SSH.