A../etc/sysctl.conf B../etc/hostsUUUUUUUUUUUUUUU C../etc/ipforwarD.conf D../etc/forwarD.conf
A.高可用 B.高性能 C.訪問控制 D.優(yōu)化
A.SSH服務(wù)器 B.DNS服務(wù)器 C.服務(wù)器證書 D.客戶斷端證書