ITPEC FE Subject A April 2025 Question 43
Source exam: ITPEC FE Subject A April 2025Topic: IT Service Management
ITPEC FE Subject A April 2025 — Question 43 of 60
The service runs 8:00 AM to 10:00 PM = 14 hours/day, with 30 business days/month.
- •Total service hours:
14 × 30 = 420 - •Max downtime:
420 × (1 - 0.995) = 420 × 0.005 = 2.1 hours
Why not others:
- (a) 0.3 — implies ~99.93% availability, far stricter than required
- (c) 3.0 — implies ~99.29%, violates the 99.5% SLA
- (d) 3.6 — implies ~99.14%, violates the 99.5% SLA
Key rule: Max downtime = total service hours × (1 − availability%).
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