Which timing over packet solution provides only accurate frequency synchronization, but does not provide time/phase synchronization?

Posted by: Pdfprep Category: 400-201 Tags: , ,

Which timing over packet solution provides only accurate frequency synchronization, but does not provide time/phase synchronization?
A . Timing over IP connection and transfer of clock BOF
B . Precision time protocol
C . Network time protocol
D . Synchronous Ethernet

Answer: D

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