Network topology exhibit: You are the administrator at Company.com. TCP/IP is the only protocol used in your network. The network topology is shown in the exhibit above. A subnet mask of 255.255.240.0 is used by all computers and devices. You install a new computer named Company2 with Windows 2000 Professional and you configure it to have a static TCP/IP address of 10.10.20.234, a default gateway of 10.10.20.1, a subnet mask of 255.255.0.0 and a WINS server address of 10.10.13.24. After the operating system installation you discover that you are unable to connect to shared resources on a Windows 2000 file server named CompanyB by using its UNC name. You want Company2 to be able to connect to CompanyB.  What should you do?（）