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？（）AnetpmonBnetstatCnfsstatDvmstat
题目
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