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Question 413 - SOA-C02 discussion

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The company wants to use three On-Demand Instances at all times and additional three Spot Instances when prices drop to a specific threshold, ensuring high availability with minimal management overhead.

A.

Configure a launch template for the Spot Instances. Set the maximum price for the Spot Instances. Configure another launch template for the On-Demand Instances.

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A.

Configure a launch template for the Spot Instances. Set the maximum price for the Spot Instances. Configure another launch template for the On-Demand Instances.

B.

Configure a launch template that uses the InstanceMarketOptions property for the Spot Instances and the On-Demand Instances. Set the maximum price for the Spot Instances.

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B.

Configure a launch template that uses the InstanceMarketOptions property for the Spot Instances and the On-Demand Instances. Set the maximum price for the Spot Instances.

C.

Configure a launch template that uses the MixedInstancesPolicy property for the Spot Instances and the On-Demand Instances. Set the maximum price for the Spot Instances.

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C.

Configure a launch template that uses the MixedInstancesPolicy property for the Spot Instances and the On-Demand Instances. Set the maximum price for the Spot Instances.

D.

Configure a launch template that uses the InstanceMarketOptions property and the MixedInstancesPolicy property for the Spot Instances and the On-Demand Instances. Set the maximum price for the Spot Instances.

Answers
D.

Configure a launch template that uses the InstanceMarketOptions property and the MixedInstancesPolicy property for the Spot Instances and the On-Demand Instances. Set the maximum price for the Spot Instances.

Suggested answer: C

Explanation:

The MixedInstancesPolicy feature in Auto Scaling groups allows for the configuration of both On-Demand and Spot Instances within a single Auto Scaling group, balancing cost savings and high availability:

MixedInstancesPolicy: Enables configuration to maintain a minimum of three On-Demand Instances and add Spot Instances when prices drop, without the need to create separate launch templates.

Setting Maximum Spot Price: Ensures that additional Spot Instances are launched only when within the defined budget.

This solution offers the least management overhead, as it combines both On-Demand and Spot instances seamlessly in one configuration.

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asked 06/11/2024
doaa elshazly
47 questions
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