Which commands should an administrator use to restart the management agents on the host?

An ESXi 5.x host is unable to connect to a vCenter 5.x server.
Which commands should an administrator use to restart the management agents on the host?

A.
SSH to the host and execute the commands – /etc/init.d/hostd restart and /etc/init.d/vpxa restart

B.
SSH to the host and execute the commands – /etc/init.d/vpxd restart and /etc/init.d/vpxa restart

C.
SSH to the host and execute the commands – /etc/init.d/vmware-hostd restart and
/etc/init.d/vmware-vpxa restart

D.
SSH to the host and execute the commands – /etc/init.d/vmware-hostd restart and
/etc/init.d/vpxd restart