Install a router between the two subnets.-to forward traffic between two subnets, we would need a router.incorrect answers:b: a dhcp server is used to automatically assign tcp/ip configurations to hosts on a network. installing a dhcp server in each subnet will ensure that hosts on each subnet will have the proper ip configurations. however, the problem here is that a router is required to forward traffic between two subnets.c: a proxy server is used to protect a network from attacker on the internet. it is not used to forward traffic between subnets.d: a dns server is used for host name to ip address resolution. it is not used to forward traffic between subnets.reference:david groth and toby skandier, network+ study guide (4th edition), sybex, alameda ca, 2005, pp. 134-13, 142-144, 153-154.