What should the administrator ensure?

A network administrator configures this command on an HP ProVision switch:

vlan 30 ip helper-address 10.0.3.253

The switch is able to ping 10.0.3.253. After the administrator configures the command, users in VLAN 30 report that their PCs fall to acquire addresses using DHCP.

What should the administrator ensure?
A . that the switch is configured with a dynamic IP routing protocol
B . that the switch has DHCP relay functions enabled
C . that the switch has DHCP server functions enabled
D . that the switch has an IP address on VLAN 30

Answer: A