A user is running one instance for only 3 hours every day. The user wants to save some cost with the instance.
Which of the below mentioned Reserved Instance categories is advised in this case?
A.
The user should not use RI; instead only go with the on-demand pricing
B.
The user should use the AWS high utilized RI
C.
The user should use the AWS medium utilized RI
D.
The user should use the AWS low utilized RI
Explanation:
The AWS Reserved Instance provides the user with an option to save some money by paying a one-time fixed
amount and then save on the hourly rate. It is advisable that if the user is having 30% or more usage of an
instance per day, he should go for a RI. If the user is going to use an EC2 instance for more than 2200-2500
hours per year, RI will help the user save some cost. Here, the instance is not going to run for less than 1500
hours. Thus, it is advisable that the user should use the on-demand pricing.
Answer is A. Anyway, it pretty silly even if we don’t know about RI, how could we determine whether to use high, medium or low from the just the question? So A is the only answer
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Questions is wrong.
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The answer should be A.
B,C & D – There is no low and high utilization RI after December 2nd 2014.
https://blog.cloudability.com/understanding-aws-reserved-instance-types/
A – Seems question before the introduction of the Scheduled Reserved instances in Jan 2016, which can be used in this case.
https://aws.amazon.com/blogs/aws/new-scheduled-reserved-instances/
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A
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