You want to create a security policy allowing traffic from any host in the Trust zone to hostb.example.com（172.19.1.1） in the Untrust zone. How do you create this policy？（）

• A、Specify the IP address （172.19.1.1/32） as the destination address in the policy.
• B、Specify the DNS entry （hostb.example.com.） as the destination address in the policy.
• C、Create an address book entry in the Trust zone for the 172.19.1.1/32 prefix and reference this entry in the policy.
• D、Create an address book entry in the Untrust zone for the 172.19.1.1/32 prefix and reference this entry in the policy