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AZ-400 · Question #121

AZ-400 Question #121: Real Exam Question with Answer & Explanation

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Submitted by rania.sa· Mar 6, 2026Implement and Manage Continuous Integration / Configure Secure Access to Pipeline Resources - specifically understanding required network ports and NSG configuration to enable Azure DevOps self-hosted pipeline agents to communicate securely within Azure infrastructure.

Question

SIMULATION You need to prepare a network security group (NSG) named az400-9940427-nsg1 to host an Azure DevOps pipeline agent. The solution must allow only the required outbound port for Azure DevOps and deny all other inbound and outbound access to the Internet. To complete this task, sign in to the Microsoft Azure portal. Answer: 1. Open Microsoft Azure Portal and Log into your Azure account. 2. Select network security group (NSG) named az400-9940427-nsg1 3. Select Settings, Outbound security rules, and click Add 4. Click Advanced 5. Change the following settings: Destination Port range: 8080 Protocol. TCP Action: Allow Note: By default, Azure DevOps Server uses TCP Port 8080. References: https://robertsmit.wordpress.com/2017/09/11/step-by-step-azure-network-security-groups-nsg- security-center-azure-nsg-network/ https://docs.microsoft.com/en-us/azure/devops/server/architecture/required-ports?view=azure- devops

Options

  • taskPrepare a network security group (NSG) named az400-9940427-nsg1 to host an Azure DevOps pipeline agent, allowing only the required outbound port for Azure DevOps and denying all other inbound and outbound access to the Internet.
  • prerequisitesMicrosoft Azure portal access and Azure account login

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Topics

#Network Security Groups (NSG)#Azure DevOps Pipeline Agent#Outbound Security Rules#Azure Networking
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