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CLF-C02 practice question: Cloud economics (1 of 4)

Cloud Concepts A free question from our original CLF-C02 practice exam. Try it, then open the answer to see why each option is right or wrong.

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A company licenses a database product per physical CPU socket and wants to bring those licenses to AWS.

Its license terms require it to show how many sockets and cores each server uses, so it needs visibility of the physical hardware it runs on.

Which Amazon EC2 option meets both requirements?

Choose one answer.

  1. A. Spot Instances, which use spare EC2 capacity at a discounted price
  2. B. Dedicated Hosts, which are physical servers fully dedicated to your use
  3. C. Dedicated Instances, which run on hardware dedicated to your AWS account
  4. D. License-included Amazon Machine Images, with the license in the hourly price
Show the answer and explanation

Answer: B

  • A. Wrong: Spot Instances use spare EC2 capacity at a discount, but AWS can interrupt them and the customer does not choose the physical hardware. They give no visibility of sockets or cores.
  • B. Right: Correct. Dedicated Hosts are physical servers fully dedicated to one customer. They support bring-your-own-license for per-socket and per-core licenses and show the number of sockets and cores. Learn more: Amazon EC2 Dedicated Hosts (opens in a new tab)
  • C. Wrong: Dedicated Instances run on hardware dedicated to one account, which is a real option. However, they give no visibility of sockets or cores and only partial BYOL support, so they miss the license-reporting requirement.
  • D. Wrong: License-included AMIs bundle the software license into the instance price, so the company would pay AWS for licenses it already owns. That does not reuse its per-socket licenses or show hardware use.

Explanation

Dedicated Hosts are physical servers dedicated to one customer. They let the company bring its existing per-socket licenses and see the sockets and cores on each host. Dedicated Instances isolate hardware but hide sockets and cores, while Spot Instances and license-included images do not meet the requirement.

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