Your web servers are experiencing issues with high CPU workload and abnormal spikes in memory because of unpredictable workloads. Respond to the following. Describe each of the following instances, and identify which would meet this requirement: Reserved instances Spot instances On-demand instances Dedicated host 

Scenario: Your web servers are experiencing issues with high CPU workload and abnormal spikes in memory because of unpredictable workloads.
Respond to the following in a minimum of 175 words: 

Describe each of the following instances, and identify which would meet this requirement:
Reserved instances
Spot instances
On-demand instances
Dedicated host