A network architect is designing a redundancy solution for a customer and has learned that there
is a single link between two critical network components. During the past 4000 hours of operation,
the link has failed twice. The customer estimates that each failure has taken two hours to resolve.
Given this information, what is the availability that this link currently provides?

A.
Less than 99.99%

B.
99.9%

C.
99.99%

D.
99.999%

Explanation: