单项选择题 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?（）

多项选择题 Which two statements are true regarding firewall user authentication?（） (Choose two.)

单项选择题 Click the Exhibit button. Referring to the exhibit, you are not able to telnet to 192.168.10.1 from client PC 192.168.10.10.What is causing the problem?（）