SAP-C02 Question #788: Real Exam Question with Answer & Explanation

Question

A global ecommerce company has many data centers worldwide. The company needs scalable cloud storage for legacy file applications. Requirements: - Must support iSCSI access from on-premises servers. - Must support point-in-time snapshots via AWS Backup. - Must retain low-latency access to frequently accessed data. Which solution will meet these requirements?

Options

• AProvision an AWS Storage Gateway tape gateway with S3 and AWS Backup.
• BUse Amazon FSx File Gateway and S3 File Gateway. Use AWS Backup.
• CProvision an AWS Storage Gateway volume gateway in cache mode. Back up the volumes using
• DProvision an AWS Storage Gateway file gateway in cache mode. Use AWS Backup.

Explanation

The company needs scalable cloud storage for on-premises legacy file applications requiring iSCSI access, low-latency for frequently accessed data, and AWS Backup for snapshots.

Common mistakes.

• A. A Tape Gateway is for virtual tape libraries and archival, not for iSCSI access to active file application data with low-latency requirements.
• B. Amazon FSx File Gateway and S3 File Gateway are for file-level access (NFS/SMB) to cloud file systems or S3 objects, not iSCSI block storage required by the legacy applications.
• D. A File Gateway provides NFS and SMB access to S3, which does not meet the iSCSI access requirement for legacy applications.

Concept tested. AWS Storage Gateway Volume Gateway (cached mode)

Reference. https://docs.aws.amazon.com/storagegateway/latest/userguide/StorageGatewayConcepts.html#volume-gateway-cached-volumes

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