Which statement about loopback testing on a router serial interface is true?

ITExamAnswers Editorial Team Last Updated: Jul 31, 2020

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Which statement about loopback testing on a router serial interface is true?

Traffic passes through the interface with both software loopbacks and hardware loopbacks
Traffic is dropped with a hardware loopback, but traffic passes through the interface with a software loopback
Traffic is dropped with a software loopback, but traffic passes through the interface with a hardware loopback
Traffic is dropped with both software loopbacks and hardware loopbacks

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