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The primary line module has failed and the spare line module is nowactive.What occurs,by default,when the primary line module returns to an operational status?()

发布日期:2020-04-10

The primary line module has failed and the spare l...
A

The primary line module is inactive for five minutes and then becomes active.

B

The primary line module is in standby mode,while the spare line module remains active.

C

The primary line module becomes active immediately and the spare line module becomes inactive.

D

The primary and spare line modules are active for five minutes,after which time the spare line module becomes inactive.

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