Pregunta
- Which statement about AWS storage services is accurate?
To access an Amazon Elastic File System (Amazon EFS), the file system must be
mounted on an Amazon EC2 instance in your virtual private cloud (VPC).
Amazon EC2 instance store provides durable storage for the Amazon EC2 instance
that it’s attached to, but it isn’t available to other EC2 instances.
Amazon Elastic Block Store (Amazon EBS) volumes provide temporary block
storage to Amazon EC2, but they don’t persist when the EC2 instance is stopped.
Amazon EC2 instance store is a good choice for running big data processing and
analytics.
To access an Amazon Elastic File System (Amazon EFS), the file system must be
mounted on an Amazon EC2 instance in your virtual private cloud (VPC).
Amazon EC2 instance store provides durable storage for the Amazon EC2 instance
that it’s attached to, but it isn’t available to other EC2 instances.
Amazon Elastic Block Store (Amazon EBS) volumes provide temporary block
storage to Amazon EC2, but they don’t persist when the EC2 instance is stopped.
Amazon EC2 instance store is a good choice for running big data processing and
analytics.
Ask by Sandoval Grant. in South Africa
Mar 22,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
To access Amazon EFS, you must mount the file system on an EC2 instance within your VPC.
Solución
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Examine each statement:
-
Statement 1: “To access an Amazon Elastic File System (Amazon EFS), the file system must be mounted on an Amazon EC2 instance in your virtual private cloud (VPC).”
This statement is correct becauserequires an EC2 instance within the VPC to mount and access the file system. -
Statement 2: “Amazon EC2 instance store provides durable storage for the Amazon EC2 instance that it’s attached to, but it isn’t available to other EC2 instances.”
Amazon EC2 instance store is ephemeral, not durable. If the instance fails or is stopped, the data is lost. This statement is inaccurate. -
Statement 3: “Amazon Elastic Block Store (Amazon EBS) volumes provide temporary block storage to Amazon EC2, but they don’t persist when the EC2 instance is stopped.”
Amazon EBS volumes are persistent storage that retains data even when an EC2 instance is stopped. This statement is incorrect. -
Statement 4: “Amazon EC2 instance store is a good choice for running big data processing and analytics.”
While EC2 instance store can deliver high I/O performance, it is ephemeral. Many big data applications require persistent storage for intermediate data or require high reliability, making this statement misleading.
-
-
Conclusion:The accurate statement is:
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Simplifique esta solución Beyond the Answer
Did you know that Amazon Elastic File System (EFS) is designed specifically for scalability and elasticity? It automatically adjusts your file system’s capacity as you add or remove files, which means you can focus on your applications rather than worrying about storage limits. Plus, it provides low-latency access to your files, making it perfect for workloads that require real-time data processing!
As for Amazon EC2 instance store, while it’s indeed attached to the instance and delivers high IOPS performance, remember it’s ephemeral. This means if your EC2 instance terminates, all the data is lost! It’s best used for temporary storage of data that doesn’t need to survive instance termination, such as caches or data that’s being processed. Just think of it as a fast race car – great for speed, but don’t put your valuables in the trunk!
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