单选题Which of the following commands is most useful in initially collecting data to determine a network performance problem？（）ApingBtraceCifconfigDlsattr
题目
单选题
Which of the following commands is most useful in initially collecting data to determine a network performance problem？（）
A
ping
B
trace
C
ifconfig
D
lsattr
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参考答案和解析
正确答案：
A
解析：
暂无解析