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Which of the following best describes NTP efficiency?answer

One packet per second is necessary to sync two machines to an accuracy of within a millisecond of one another.

One packet every five minutes is necessary to sync two machines to an accuracy of within a millisecond of one another.

One packet per minute is necessary to sync two machines to an accuracy of within a millisecond of one another.

Four packets per minute are necessary to sync two machines to an accuracy of within a millisecond of one another.