多项选择题
Which three methods of source NAT does the Junos OS support?（） (Choose three.)
A. interface-based source NAT B. source NAT with address shifting C. source NAT using static source pool D. interface-based source NAT without PAT E. source NAT with address shifting and PAT
单项选择题 Under which Junos hierarchy level are security policies configured?（）
单项选择题 A system administrator detects thousands of open idle connections from the same source.Which problem can arise from this type of attack?（）
单项选择题 Which statement describes a security zone?（）
