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. You work as the network administrator in your company. Two ISA Server 2006 computers are included by the network, and the two computers are respectively named ISA01 and ISA02. There is a main office and one branch office in the company.
ISA01 and ISA02 are respectively in the main office and the branch office. ISA01 connects to the Internet, while ISA02 connects to the main office over a dedicated WAN link. Windows XP Professional is run by all client computers.
All client computers should have the ability to have virus definitions updated from the virus update Web site. The virus update Web site and the Windows Update Web site can be connected by ISA02.
You find a problem that the virus update Web site or the Windows Update Web site cannot be connected by ISA01. You can see the configuration of the firewall policy on ISA01 from the exhibit listed below.
You are required to make sure that the virus update Web site and the Windows Update Web site can be connected by ISA01.
Which action should you perform?
A.
On ISA01, you should make sure that the Allowed sites configuration group is enabled. And then, you should add the URL of the virus update Web site to the System Policy Allowed Sites domain name set.
B.
You should create a new URL set named VirusUpdates which the URLs for the virus update Web site and the Windows Update Web site are contained. And then, On ISA02, you should create a new HTTP access rule which the VirusUpdates URL set is contained.
C.
You should create a new domain name set named VirusUpdates which the URLs for the virus update Web site and the Windows Update Web site are contained. And then, On ISA01, you should create a new HTTP access rule from the Internal network to the VirusUpdates domain name set.
D.
On ISA01, you should make sure that the Schedule Download Jobs configuration group is enabled. And then, you should create a computer set that has the IP addresses of both the virus update Web site and the Windows Update Web site.