单选题Which of the following tools should be used to report current network status and is often used to check the reliability of a network？（）A netpmonB netstatC nfsstatD vmstat
单选题
Which of the following tools should be used to report current network status and is often used to check the reliability of a network？（）
A
netpmon
B
netstat
C
nfsstat
D
vmstat
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