单选题Which of the following utilities could be used to determine a subnet mask？（）A PINGB NSLOOKUPC TRACERTD IPCONFIG
题目
单选题
Which of the following utilities could be used to determine a subnet mask？（）
A
PING
B
NSLOOKUP
C
TRACERT
D
IPCONFIG
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参考答案和解析
正确答案：
A
解析：
暂无解析