AWS Certified Free Questions & Explanations
Solutions Architect - Associate
Correct Answer DQuestion
（会員限定）
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Explanation
The tag has the following basic limitations
The maximum length of a key is 128 Unicode characters.
value has a maximum length of 256 Unicode characters.
tag is case-sensitive.
The maximum number of tags per resource is 50.
The maximum number of active tag keys in a Billing and Cost Management report is 500.
The reserved prefix is aws:.
AWS-generated tag names and values are automatically prefixed with aws:, but this cannot be assigned by the user. User-defined tag names will be prefixed with user: and will appear in the cost allocation report.
Each key should be used only once for each resource. Attempting to use the same key twice for the same resource will result in rejection of the request.
Some services allow resources to be tagged at creation time. For more information, see the documentation for services that tag resources.
Tags cannot be applied retroactively. That is, a tag will only appear on the cost allocation report after it has been applied, not prior to it.
Accepted characters are Unicode characters, whitespace, numbers, and the special characters + - = . _ : /
*Reference
User defined Tag Limitations
The maximum length of a key is 128 Unicode characters.
value has a maximum length of 256 Unicode characters.
tag is case-sensitive.
The maximum number of tags per resource is 50.
The maximum number of active tag keys in a Billing and Cost Management report is 500.
The reserved prefix is aws:.
AWS-generated tag names and values are automatically prefixed with aws:, but this cannot be assigned by the user. User-defined tag names will be prefixed with user: and will appear in the cost allocation report.
Each key should be used only once for each resource. Attempting to use the same key twice for the same resource will result in rejection of the request.
Some services allow resources to be tagged at creation time. For more information, see the documentation for services that tag resources.
Tags cannot be applied retroactively. That is, a tag will only appear on the cost allocation report after it has been applied, not prior to it.
Accepted characters are Unicode characters, whitespace, numbers, and the special characters + - = . _ : /
*Reference
User defined Tag Limitations
Comment
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Rate of correct answer 52%
No.36 Explanation
Which of the following is the maximum number of tags that can be assigned to an EC2 instance?
- 10
- 20
- 40
- 50
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