You work as an IT professional in an international corporation named Wiikigo. In the company, your job is to configure Microsoft Internet Security and Acceleration Server 2006. And you are experienced in performing and managing networks and operational systems. In addition, you are skilled at deploying ISA Server 2006, configuring firewall settings, and optimizing performance of the ISA Server 2006 cache. There is an ISA Server 2006 computer in the network. This computer is named ISA01. ISA01 has been configured to allow marketing department users to access resources on the Internet. Because of working requirement, users in the account department also need access to resources on the Internet. For the Account department, a new network and computers are added by you. You perform the installation of the Firewall Client and have the Web Proxy client configured on all computers in the new network.

The exhibit below shows the configuration of the company network.

Users in the account department report that resources on the Internet cannot be accessed by them. But you are sure that resources on the Internet can still be accessed by users in the marketing department and the internal servers. You have to solve this problem as soon as possible. That is to say, you have to make sure that resources on the Internet can be accessed by users in the account department.

So what action should you perform to achieve this goal?

A.
In order to achieve this goal, the DNS settings of the account computers should be configured to use a DNS server that can resolve Internet names.

B.
In order to achieve this goal, the account computers should be configured to use 192.168.0.1 as the default gateway.

C.
In order to achieve this goal, for the 192.168.2.1 network, a static route should be added on ISA01.

D.
In order to achieve this goal, the address range for the Account subnet should be added to the internal network list on ISA01.