An administrator is able to manage an ESXi 6.x host connected to vCenter Server using the vSphere Web Client but is unable to connect to the host directly.
Which action should the administrator take to correct this behavior?

A.
Restart management agents on the ESXi host.

B.
Disable Lockdown Mode on the ESXi host through vCenter Server.

C.
Disable the ESXi firewall with the command esxcli network firewall unload.

D.
Reboot the ESXi host.