Which EC2 instance type should a startup choose for the lowest cost over a long-term duration with no risk of interruption?Question 3Answera.EC2 Dedicated Hostb.EC2 Spot Instancec.EC2 Reserved Instance (RI)d.EC2 On-Demand Instance
Question
Which EC2 instance type should a startup choose for the lowest cost over a long-term duration with no risk of interruption?Question 3Answera.EC2 Dedicated Hostb.EC2 Spot Instancec.EC2 Reserved Instance (RI)d.EC2 On-Demand Instance
Solution
The startup should choose the EC2 Reserved Instance (RI) for the lowest cost over a long-term duration with no risk of interruption.
Here's why:
a. EC2 Dedicated Host: This is the most expensive option as it provides a physical EC2 server dedicated for your use. It's not cost-effective for startups.
b. EC2 Spot Instance: While this is the cheapest option, it comes with the risk of interruption. AWS can terminate these instances if they need the capacity back, which doesn't suit the requirement of 'no risk of interruption'.
c. EC2 Reserved Instance (RI): This is the best option for a startup looking for the lowest cost over a long-term duration with no risk of interruption. RIs provide a significant discount (up to 75%) compared to On-Demand and are available in 1 or 3 year terms.
d. EC2 On-Demand Instance: This option allows you to pay for compute capacity by the hour with no long-term commitments, which can be
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