If you wish to maintain a "4 nines" availability rating, what is the maximum amount of down time you can have per day?
a.
14 minutes, 23 seconds
b.
8 seconds
c.
1 minute, 26 seconds
d.
.4 seconds

8 seconds

Explanation:

here for 99.99 we have to maintain a downtime of 8 seconds and the downtime second goes on decreasing as the number of nines goes on increasing.

answer; ///i believe that neither technician a or technician b are correct answer(both are false);