WhichofthefollowingcommandsshouldbeusedtodetermineDNSnameresolutionperformance?()A.iptraceB.vmstatC.hostnameD.ifconfig
题目
WhichofthefollowingcommandsshouldbeusedtodetermineDNSnameresolutionperformance?()
A.iptrace
B.vmstat
C.hostname
D.ifconfig