Describe an analytics workload on Azure →easyMultiple ChoiceObjective-mapped

DP-900 Describe an analytics workload on Azure Practice Question

Exhibit

Refer to the exhibit.

{
  "type": "Microsoft.Storage/storageAccounts",
  "apiVersion": "2023-01-01",
  "properties": {
    "isHnsEnabled": true,
    "accessTier": "Hot",
    "supportsHttpsTrafficOnly": true
  }
}

Refer to the exhibit. A data engineer is reviewing an ARM template for a storage account. What does the property 'isHnsEnabled' set to true indicate?

⚠ Common exam trap

It's easy for candidates to confuse 'isHnsEnabled' with other blob-level features like soft delete or versioning, because all three are often discussed in the context of data protection and management, but only HNS is specific to Data Lake Storage Gen2.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

The storage account supports Azure Data Lake Storage Gen2

The 'isHnsEnabled' property, when set to true, enables the Hierarchical Namespace (HNS) on the storage account. HNS is the core feature that differentiates Azure Data Lake Storage Gen2 from a standard blob storage account, allowing for a true file system hierarchy with POSIX-like access control lists (ACLs). This enables the storage account to support Data Lake Storage Gen2 workloads.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
Blob soft delete is enabled
Why it's wrong here
Blob soft delete is a data protection feature that retains deleted blobs for a specified retention period, allowing recovery. It is configured under the Data Protection settings of a storage account, not through the hierarchical namespace (HNS) property. The ARM template would show a separate property such as 'deleteRetentionPolicy' for soft delete, whereas HNS is indicated by 'isHnsEnabled'.
✓
The storage account supports Azure Data Lake Storage Gen2
Why this is correct
The hierarchical namespace (HNS) setting, when enabled, transforms a Blob Storage account into an Azure Data Lake Storage Gen2 account. This provides a true file system hierarchy with directories, atomic rename, and POSIX-based access control lists. The ARM template's 'isHnsEnabled' property set to true is the definitive indicator that the account supports ADLS Gen2, which is the answer shown in the exhibit.
✗
Versioning is enabled for blobs
Why it's wrong here
Blob versioning is an independent Data Protection setting that automatically preserves a previous version of a blob whenever it is modified or deleted. Enabling HNS alone does not turn on versioning; they are configured separately in the Azure portal or ARM template. The exhibit's HNS attribute provides no information about whether versioning is active, as that would require a distinct 'versioning' property.
✗
Geo-redundant storage is configured
Why it's wrong here
Geo-redundant storage (GRS or RA-GRS) is defined by the replication setting within the storage account's SKU, such as Standard_GRS or Premium_LRS. HNS is an orthogonal capability that can be combined with any replication option, so seeing HNS enabled does not imply any specific geo-redundancy. The exhibit only reflects the hierarchical namespace status, not the account's replication configuration.

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DP-900 Describe an analytics workload on Azure Practice Question

Exhibit

Why each option matters

Option-by-option breakdown

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