Historical data shows that on average, a server is likely to fail once every nine months. A company has
purchased 24×7, four hour hardware response to replace a server’s failed hardware. Additionally, the company
can restore a server to its operational status within six hours from the time the failed hardware has been
replaced. Which of the following describes this scenario?

A.
The company’s MTTR is ten hours.

B.
Individual servers have 99.999% uptime.

C.
Service can be restored within four hours.

D.
The operational SLA is six hours.