AWS Certified Free Questions & Explanations
Solutions Architect - Associate
Correct Answer BQuestion
（会員限定）
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4
Explanation
Instance store will be free of charge.
Keep in mind that the difference between EBS and instance store is often asked in the exam.
EBS: EC2 instance store and network connection
EBS: EC2 instance store and network connection
Instance Store: Uses host computer storage
Durability
EBS: Redundant within a single AZ
Instance store: not redundant
Scalability
EBS: Volume scalable
Instance store: volume not scalable
Fees
EBS: Pay-as-you-go
Instance store: free
Keep in mind that the difference between EBS and instance store is often asked in the exam.
EBS: EC2 instance store and network connection
EBS: EC2 instance store and network connection
Instance Store: Uses host computer storage
Durability
EBS: Redundant within a single AZ
Instance store: not redundant
Scalability
EBS: Volume scalable
Instance store: volume not scalable
Fees
EBS: Pay-as-you-go
Instance store: free
Comment
If you have any questions about the answers or explanations, or if you have a better explanation, please feel free to comment. We would be happy to be a place where we can teach and learn from each other.
Rate of correct answer 70%
No.45 Explanation
Which of the following is a correct description of the difference between an EBS and an instance store?
- EBS data disappears (volatilizes) after the EC2 instance is stopped or started, but the instance store does not disappear.
- EBS is paid, but instance store is free
- Both EBS and instance store are redundant in a single AZ
- Both EBS and instance store are networked to EC2 instances
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