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. A server is included by your network, and ISA Server is run by the server. The ISA Server is one of an Active Directory domain. Internet access is offered by the ISA Server. And the ISA Server is the default gateway for all computers on the network.
Your company configures the Web browsers proxy settings by utilizing Web Proxy Automatic Discovery (WPAD).
The following objects are created on the server. One should be two user sets named Internet Users and Admin Internet Users, and another should be a URL set named Blocked Sites that includes the URLs of Internet sites to which users should be blocked The Firewall Policy rules on the ISA Server should be configured to satisfy the following requirements.
First, members of Internet Users should be enabled to get access to Internet Web sites, except for the sites
in the Blocked Sites URL set.
Second, members of Admin Internet Users should be enabled to access all Internet Web sites. Third, HTTP, HTTPS, and FTP must be accessible for all allowed sites. From the following four sets of access rules, which one should be utilized?
A.
Rule 1: Allow HTTP, HTTPS, and FTP protocols from the External network to the Internal network, except for the Blocked Sites URL set, for the Internet Users user set.
Rule 2: HTTP,
HTTPS, and FTP protocols from the Internal network should be permitted to the External network for the Admin Internet Users user set.
B.
Rule 1: HTTP, HTTPS, and FTP protocols from the External network should be permitted to the Internal network, except for the Blocked Sites URL set, for the Internet Users user set, and the Admin Internet Users user set.
Rule 2: HTTP, HTTPS, and FTP protocols from the Internal network should be permitted to the Blocked Sites URL set for the Admin Internet Users user set.
C.
Rule 1: HTTP, HTTPS, and FTP protocols from the Internal network should be permitted to the External network, except for the Blocked Sites URL set, for the Internet Users user set.
Rule 2: HTTP, HTTPS, and FTP protocols from the Internal network should be permitted to the External network for the All Authenticated Users user set, except for the Internet Users user set.
D.
Rule 1: HTTP, HTTPS, and FTP protocols should be permitted from the Internal network to the External network, except for the Blocked Sites URL set, for the Internet Users user set, and the Admin Internet Users user set.
Rule 2: HTTP, HTTPS, and FTP protocols should be permitted from the Internal network to the Blocked Sites URL set for the Admin Internet Users user set.