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NS0-157 · Question #226

Identify two synchronous Fpolicy applications:

The correct answer is B. Encryption and decryption services D. File archiving and hierarchical storage management. Synchronous FPolicy applications intercept file operations before they complete, enabling real-time processing such as encryption and hierarchical storage management recalls.

Core Cluster-Mode Configuration

Question

Identify two synchronous Fpolicy applications:

Options

  • AData motion service
  • BEncryption and decryption services
  • CLogical interface migration management
  • DFile archiving and hierarchical storage management

How the community answered

(40 responses)
  • A
    3% (1)
  • B
    93% (37)
  • C
    5% (2)

Why each option

Synchronous FPolicy applications intercept file operations before they complete, enabling real-time processing such as encryption and hierarchical storage management recalls.

AData motion service

Data motion is handled by ONTAP's internal volume move and load-sharing mechanisms, not by the FPolicy notification framework.

BEncryption and decryption servicesCorrect

Encryption and decryption services require synchronous FPolicy because the file data must be transformed before it is returned to or accepted from the client, meaning the I/O operation must be held open until processing finishes. This real-time interception model is the defining characteristic of synchronous FPolicy.

CLogical interface migration management

Logical interface (LIF) migration is a network-layer cluster management function and is not mediated through the FPolicy file-access notification framework.

DFile archiving and hierarchical storage managementCorrect

File archiving and hierarchical storage management (HSM) uses synchronous FPolicy to intercept a file recall request and restore the data from secondary storage before the client access is allowed to proceed, which requires the synchronous hold-and-respond model.

Concept tested: FPolicy synchronous application use cases

Source: https://docs.netapp.com/us-en/ontap/nas-audit/two-parts-fpolicy-solution-concept.html

Topics

#FPolicy#synchronous#file archiving#HSM

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