单项选择题
A. iptrace
B. vmstat
C. hostname
D. ifconfig
单项选择题 Inaniostatreport,whichofthefollowingoptionsbestdescribesthevalueof%idle?()
单项选择题 Whichofthefollowingtoolsshouldbeusedtoreportcurrentnetworkstatusandisoftenusedtocheckthereliabilityofanetwork?()
单项选择题 Whichofthefollowingcommandsshouldbeusedtosetnetworkattributesonacurrentlyrunningkernel?()