AWS S3 Shortcut Authentication Values

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Answer Correct answer: B, D — You must provide the secret access key and the access key ID to authenticate the OneLake shortcut to the AWS S3 bucket.

You have an Amazon Web Services (AWS) subscription that contains an Amazon Simple Storage Service (Amazon S3) bucket named bucket1. You have a Fabric tenant that contains a lakehouse named LH1. In LH1, you plan to create a OneLake shortcut to bucket1. You need to configure authentication for the connection. Which two values should you provide? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

  1. the shared access signature (SAS) token
  2. the secret access key Correct Answer
  3. the access ID
  4. the access key ID Correct Answer
  5. the certificate thumbprint

Community Votes

BD
100%

100% of anonymous learners picked answer BD. Votes are pick records left by other test-takers — they are not the verified answer.

Community Insight

Configuring authentication for an S3 shortcut in Fabric tests your knowledge of AWS credential requirements, where the common trap is confusing AWS keys with Azure SAS tokens.

When creating a OneLake shortcut to an Amazon S3 bucket in Microsoft Fabric, you must authenticate using AWS credentials. This page establishes that the access key ID and secret access key are the required values.

Selecting the shared access signature (SAS) token (Option A) because it is used for Azure Storage, not AWS S3.

Community Discussion (3 comments)

Pegooli 👍 3 Selected: BD
https://learn.microsoft.com/en-us/fabric/onelake/create-s3-shortcut
NikeshShah 👍 2
https://learn.microsoft.com/sl-si/fabric/onelake/create-s3-compatible-shortcut Correct Answer BD
helmon 👍 2
https://learn.microsoft.com/sl-si/fabric/onelake/create-s3-compatible-shortcut

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Expert Analysis

Why the Answer Is Correct

To create a OneLake shortcut to an Amazon S3 bucket, Fabric requires AWS credentials to authenticate and access the external data. The standard AWS authentication method uses an access key, which consists of two parts: the access key ID and the secret access key. Providing both values (Options B and D) allows Fabric to securely connect to the AWS S3 bucket.

Why the Other Options Are Wrong

Option A is incorrect because the shared access signature (SAS) token is an Azure Storage authentication mechanism, not an AWS one. Option C is incorrect because "access ID" is not the correct terminology for AWS credentials; the correct term is "access key ID". Option E is incorrect because certificate thumbprints are used for certificate-based authentication, which is not the method used for Fabric S3 shortcuts.

Community Comment Notes

The community consensus correctly identifies the access key ID and secret access key as the required values. As Pegooli noted, the official Microsoft documentation for "create-s3-shortcut" confirms these are the necessary authentication fields.

Official Reference

https://learn.microsoft.com/en-us/fabric/onelake/create-s3-shortcut

Exam Strategy

For questions about OneLake shortcuts, carefully identify the external data source (AWS vs. Azure vs. ADLS) to determine the correct authentication method. AWS S3 always relies on the access key ID and secret access key pair.

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