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AZ-104 · Question #717

AZ-104 Question #717: Real Exam Question with Answer & Explanation

The correct answer is D: ContReg1. When the admin user is enabled for an Azure Container Registry, the username used to sign in is the name of the container registry itself.

Submitted by yuriko_h· Mar 4, 2026Implement and manage storage

Question

You have an Azure subscription that contains an Azure container registry named ContReg1. You enable the Admin user for ContReg1. Which username can you use to sign in to ContReg1?

Options

  • Aroot
  • Badmin
  • Cadministrator
  • DContReg1

Explanation

When the admin user is enabled for an Azure Container Registry, the username used to sign in is the name of the container registry itself.

Common mistakes.

  • A. "root" is a common Unix-like system administrator name but is not the username for Azure Container Registry admin access.
  • B. "admin" is a generic administrator username but is not the specific username assigned when enabling the admin user for an Azure Container Registry.
  • C. "administrator" is a common Windows administrator name but is not the username for Azure Container Registry admin access.

Concept tested. Azure Container Registry admin username

Reference. https://learn.microsoft.com/en-us/azure/container-registry/container-registry-authentication-create-service-principal#admin-account

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