When will you incur costs with an Elastic IP address (EIP)?
A.
When an EIP is allocated.
B.
When it is allocated and associated with a running instance.
C.
When it is allocated and associated with a stopped instance.
D.
Costs are incurred regardless of whether the EIP is associated with a running instance.
Explanation:
If you no longer need an EIP, we recommend that you release it (the address must not be associated with an
instance). You incur charges for any EIP that’s allocated for use with EC2-Classic but not associated with an
instance.
C
http://www.aiotestking.com/amazon/when-will-you-incur-costs-with-an-elastic-ip-address-eip/
If you no longer need an Elastic IP address, we recommend that you release it (the address must not be associated with an instance). You incur charges for any Elastic IP address that’s allocated for use with EC2-Classic but not associated with an instance.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html
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Still C
https://aws.amazon.com/premiumsupport/knowledge-center/elastic-ip-charges/
Issue
I terminated all my EC2 instances, but I’m still billed for Elastic IP addresses, even though the EC2 pricing page says they’re free. Why?
Resolution
An Elastic IP address doesn’t incur charges as long as the following conditions are true:
The Elastic IP address is associated with an Amazon EC2 instance.
The instance associated with the Elastic IP address is running.
The instance has only one Elastic IP address attached to it.
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I Agree with C. But small correction. The charges will be done if we have more than one EIP running. Free only for 1 running instance but charged if its not used like stopped instance, as there is a scarcity of Elastic IP’s and amazon don’t want this to happen to freely give all. also we know that only 5 EIP’s is max we can have per account.
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C is the correct option.
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C
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