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AZ-500 · Question #247

You work for an organization that has offices in multiple regions across the world. There is a local file server at each office where departmental data is stored. Your company creates a storage…

The correct answer is C. Configure the storage account to allow access from selected networks. To restrict access to an Azure storage account exclusively to a specific remote office subnet, configure the storage account's network firewall settings to allow access only from selected networks, specifying the remote office's public IP address or VPN/ExpressRoute connected…

Submitted by alyssa_d· Mar 6, 2026Secure networking

Question

You work for an organization that has offices in multiple regions across the world. There is a local file server at each office where departmental data is stored. Your company creates a storage account for a pilot of Azure File Sync for a remote office. 192.168.1.0/24 is the subnet used by the remote office. You need to make sure storage account can be accessed from nowhere other than the remote office. What will be your step of action?

Options

  • ACreate a Network Security Group (NSG) and create two rules: one rule that blocks all Server
  • BCreate a custom Azure role and allow the "Microsoft.Storager/read" DataActions permission for
  • CConfigure the storage account to allow access from selected networks.
  • DCreate a Network Security Group (NSG) and create two rules: one rule that blocks all Server

How the community answered

(35 responses)
  • A
    9% (3)
  • B
    3% (1)
  • C
    86% (30)
  • D
    3% (1)

Why each option

To restrict access to an Azure storage account exclusively to a specific remote office subnet, configure the storage account's network firewall settings to allow access only from selected networks, specifying the remote office's public IP address or VPN/ExpressRoute connected virtual network.

ACreate a Network Security Group (NSG) and create two rules: one rule that blocks all Server

Network Security Groups (NSGs) are used to filter network traffic to and from Azure resources within a virtual network, such as VMs, not for directly securing the public endpoint of a storage account.

BCreate a custom Azure role and allow the "Microsoft.Storager/read" DataActions permission for

Creating a custom Azure role and granting `Microsoft.Storager/read` permissions is about access control (who can perform actions), not network access restriction (from where can actions be performed).

CConfigure the storage account to allow access from selected networks.Correct

Azure storage accounts have built-in network firewall capabilities that allow you to restrict access to specific virtual networks or public IP address ranges, directly fulfilling the requirement to allow access only from the remote office.

DCreate a Network Security Group (NSG) and create two rules: one rule that blocks all Server

This choice is identical to A and is incorrect for the same reason, as NSGs do not directly secure a storage account's public endpoint.

Concept tested: Azure Storage account network firewalls

Source: https://learn.microsoft.com/en-us/azure/storage/common/storage-network-security

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