How can the configuration be validated as correct without any additional tools?

An administrator has just configured the IP address on an ESXi host from the Direct Console User Interface.
How can the configuration be validated as correct without any additional tools?
A. Add the host to vCenter Server and if it works, then all networking settings are ok.
B. Select the Test Management Network option from the DCUI.
C. Connect to the host with the vSphere Client and click the Test Network option.
D. Use PowerCLI to connect to the host and initiate a network test.