SOA-C02 · Question #263
A company has a stateful, long-running workload on a single xlarge general purpose Amazon EC2 On-Demand Instance Metrics show that the service is always using 80% of its available memory and 40% of…
The correct answer is B. Change to one large memory optimized On-Demand Instance. CPU utilisation is rather low for using an xlarge instance, so a memory optimized large instance is a cheaper option that should meet the workload requirements.
Question
A company has a stateful, long-running workload on a single xlarge general purpose Amazon EC2 On-Demand Instance Metrics show that the service is always using 80% of its available memory and 40% of its available CPU. A SysOps administrator must reduce the cost of the service without negatively affecting performance. Which change in instance type will meet these requirements?
Options
- AChange to one large compute optimized On-Demand Instance.
- BChange to one large memory optimized On-Demand Instance.
- CChange to one xlarge general purpose Spot Instance.
- DChange to two large general purpose On-Demand Instances.
How the community answered
(16 responses)- A6% (1)
- B81% (13)
- C13% (2)
Explanation
CPU utilisation is rather low for using an xlarge instance, so a memory optimized large instance is a cheaper option that should meet the workload requirements.
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