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.
Options:
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.
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.
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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