- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
常用來進(jìn)行網(wǎng)絡(luò)連通性檢查的Ping命令工具，它的工作原理為（）。
A.向目標(biāo)主機(jī)發(fā)送UDP Echo Request數(shù)據(jù)包，等待對(duì)方回應(yīng)UDP Echo Reply數(shù)據(jù)包
B.向目標(biāo)主機(jī)發(fā)送ICMP Echo Request數(shù)據(jù)包，等待對(duì)方回應(yīng)ICMP Echo Reply數(shù)據(jù)包
C.向目標(biāo)主機(jī)發(fā)送UDP Echo Reply數(shù)據(jù)包，等待對(duì)方回應(yīng)ICMP Echo Request數(shù)據(jù)包
D.向目標(biāo)主機(jī)發(fā)送ICMP Echo Reply數(shù)據(jù)包，等待對(duì)方回應(yīng)ICMP Echo Request數(shù)據(jù)包
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