Which action must you take to correct the problem?

You configure a DHCP server on VLAN 10 to service clients on VLAN 10 and VLAN 20, clients on VLAN 10 are given ip address assignments, but client on VLAN 20 fail to receive IP addresses.

Which action must you take to correct the problem?
A . Configure the default gateway in the DHCP server configuration
B . Configure the ip helper-address command in the DHCP server configuration
C . Configure a separate DHCP server on VLAN 20
D . Configure the DNS name option in the DHCP server configuration

Answer: B