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Wrong information about Elastic IP
updated 6 months, 2 weeks ago
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38. Question
Category: SOA-C02 – Deployment, Provisioning, and Automation
A leading telecommunications company has a hybrid cloud architecture that runs its online services. In order to optimize the use of their cloud resources and to save costs, your manager requested for you to analyze their existing architecture and perform the necessary tasks to make it cost-effective.
Which of the following options will help reduce your costs on your AWS usage? (Select TWO.)
Explanation says that “The option that says: <strong style=”font-family: inherit; font-size: inherit;”>Reduce the use of Elastic IPs that are attached to running EC2 instances is incorrect because Elastic IPs are not billed when attached to running instances.“
Which is not true. According to <b style=”font-family: inherit; font-size: inherit;”>https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html#eip-pricing
There is a charge for all Elastic IP addresses whether they are in use (allocated to a resource, like an EC2 instance) or idle (created in your account but unallocated).
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Hello v1101,
Thanks so much for pointing this out and for bringing this to our attention.
According to the official AWS documentation, charges do apply for Elastic IP addresses, even when they’re attached to running EC2 instances, if certain conditions are met. Specifically, AWS allows one Elastic IP address per instance at no additional cost, but if you associate more than one Elastic IP with a single instance, or have unused (idle) IPs, you will be billed. The original explanation did not accurately reflect these details and gave the impression that all Elastic IPs attached to running instances are always free, which is not the case.
We’ll update the explanation to ensure it accurately represents AWS pricing practices and helps learners make informed cost-optimization decisions. If you need any further assistance, please don’t hesitate to contact us.
Cheers,
Nikee @ Tutorials Dojo
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