Your network consists of two subnets named Subnet1 and Subnet2. You have a server named Server1 that runs Windows Sever 2003 Service Pack 2 （SP2）. Server1 is located on Subnet1. Users from Subnet1 report poor performance when they connect to Server1. Users from Subnet2 report that they are unable to connect to Server1. You monitor both network segments and discover a large number of NetBIOS broadcasts on both network segments.You need to reduce the number of broadcasts on the network. What should you deploy？（）

A. a DHCP Relay Agent
B. a WINS server
Connection Point Services（CPS）
D. Simple TCP/IP Services on all computer