Answer: D.
Option A is incorrect.
The required duration of 2 months is not long enough to reserve an instance.
Option B is incorrect.
Dedicated instances are not cost-efficient and will not be suggested in this scenario.
Option C is incorrect.
Spot instances would not be an apt choice, as there is a probability of disruption.
Option D is Correct.
On-Demand instances would be a correct choice, as RIs could not be opted.
Because of the terms mentioned, dedicated instances would be costly and with spot instances, there are chances of disruption.
References:
https://aws.amazon.com/ec2/pricing/reserved-instances/ https://aws.amazon.com/ec2/pricing/dedicated-instances/ https://aws.amazon.com/ec2/spot/ https://aws.amazon.com/ec2/pricing/on-demand/
In this scenario, an e-learning startup needs to run an application during the holiday season, and downtime of the application can have a negative impact on the company's reputation. The application will be deployed on an EC2 instance, and the company wants to choose the most suitable EC2 instance pricing option.
A. Reserved instances provide the option to reserve EC2 capacity in advance for a 1- or 3-year term, which can provide cost savings compared to on-demand pricing. However, reserved instances require an upfront payment, and the capacity is not always available when needed. Therefore, it may not be the best fit for this scenario where the startup needs to run the application only for two months.
B. Dedicated instances are instances that run on hardware that is dedicated to a single customer. While this option provides greater control and security, it is not cost-effective for a startup with a limited budget.
C. Spot instances allow customers to bid for unused EC2 instances' capacity, which can provide significant cost savings. However, the bid price can fluctuate based on supply and demand, and the instance can be terminated when the market price exceeds the bid price. Therefore, it may not be the best fit for this scenario where the startup needs to run the application without any interruption.
D. On-Demand instances provide the option to pay for EC2 capacity per hour without any upfront payment or long-term commitment. This pricing option allows the startup to scale up or down as needed, and it does not require any upfront payment. Therefore, it may be the best fit for this scenario where the startup needs to run the application for a short period without any interruption.
Therefore, the best fit for this scenario would be the On-Demand pricing option.
