单项选择题
When running IP SLA， which application type should be used if you want to know round-trip delay， jitter， and packet loss for the full path？（）
A.ICMP path echo B.UDP echo C.ICMP path jitter D.Application Performance Monitor E.TCP connect
问答题 什么是静态NAT？
多项选择题 WhenusingIPSLAFTPoperation，whichtwoFTPmodesaresupported？（）
问答题 怎样保护密码？
