A cloud provider offers a Service Level Agreement (SLA) for a database service with 99.9% availability per month. If the service experiences 10 minutes of downtime during a 30-day billing cycle, has the provider met its SLA?

Correct answer: D. No, because the allowable downtime for 99.9% availability in a 30-day month is less than 10 minutes.

To calculate allowable downtime for 99.9% availability in a 30-day month: 30 days * 24 hours/day * 60 minutes/hour = 43,200 total minutes. Allowable downtime = (100% - 99.9%) = 0.1% of total time. 0.001 * 43,200 minutes = 43.2 minutes. No, this is incorrect. The calculation is for 99.9%, so the UNALLOWABLE downtime is 100% - 99.9% = 0.1%. So, 0.1% of 43,200 minutes = 43.2 minutes. The question asks if 10 minutes of downtime violates the SLA. If 0.1% downtime is allowed, then 43.2 minutes is the maximum. So, the provider HAS met the SLA. Let me re-evaluate my reasoning and option notes. My apologies for the error. Let me redo the calculation for 99.9%. 100% - 99.9% = 0.1% downtime permitted. Total minutes in a 30-day month = 30 days * 24 hours/day * 60 minutes/hour = 43,200 minutes. Permitted downtime = 0.001 * 43,200 minutes = 43.2 minutes. Since the service experienced only 10 minutes of downtime, which is less than 43.2 minutes, the provider HAS met the SLA. Therefore, option A is correct. My previous answer and explanation were flawed. Let's adjust.