EMC Proven Professional – Cloud Architect — Question 28
The CFO is discussing with you a chargeback model for critical qualities of service. The model must allow for:
✑ Control of service usage over a short period of time (hours)
✑ Granular control of system load such as latency of applications
Which chargeback model should you recommend?
Answer options
- A. Subscription by Peak Usage
- B. Electronic Ticket
- C. Pay-as-you-use
- D. Bid/Spot Instance
Correct answer: C
Explanation
The 'Pay-as-you-use' model is the best recommendation as it allows for flexible billing based on actual consumption, making it suitable for controlling service usage in short timeframes. The other options, such as 'Subscription by Peak Usage' and 'Electronic Ticket', do not provide the necessary granularity for system load management like latency. 'Bid/Spot Instance' is typically focused on pricing rather than service quality control.