单项选择题
Which zone is system-defined?（）
A.security B.functional C.junos-global D.management
单项选择题 Which statement contains the correct parameters for a route-based IPsec VPN?（）
单项选择题 Which command do you use to display the status of an antivirus database update?（）
单项选择题 Which security or functional zone name has special significance to the Junos OS?（）
