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