单选题Referring to the exhibit, which statement is correct?（）A The packets have exceeded the time-to-live valueB There is a loopC The asterisks indicate a response time outD The asterisks indicate that the traceroute is completed.
单选题
Referring to the exhibit, which statement is correct?（）
A
The packets have exceeded the time-to-live value
B
There is a loop
C
The asterisks indicate a response time out
D
The asterisks indicate that the traceroute is completed.
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