A company is. moving its on-premises applications to Amazon EC2 instances. However as a result of fluctuating compute requirements, the EC2 instances must always be ready to use between 8 AM and 5 PM in specific Availability Zones.
Which EC2 instances should the company choose to run the applications?
A . Scheduled Reserved I Instances
B . On-Demand Instances
C . Spot Instances as part of a Spot Fleet
D . EC2 instances in an Auto Scaling group
Answer: B