mediummultiple choiceObjective-mapped

An Azure Automation account runs PowerShell runbooks that must authenticate to Azure resources without embedded secrets. The automation account is recreated periodically during deployment, and the identity must continue to work after recreation without reissuing credentials. Which identity should you use?

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An Azure Automation account runs PowerShell runbooks that must authenticate to Azure resources without embedded secrets. The automation account is recreated periodically during deployment, and the identity must continue to work after recreation without reissuing credentials. Which identity should you use?

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

A system-assigned managed identity.

This identity is tied to one resource instance and is removed when that resource is deleted.

B

Best answer

A user-assigned managed identity.

This identity exists independently of the Automation account and survives recreation.

C

Distractor review

A service principal with a client secret stored in Key Vault.

This still depends on a credential and introduces secret rotation and operational overhead.

D

Distractor review

A shared access signature token.

A SAS token is limited to certain data scenarios and is not a general reusable Azure identity.

Common exam trap

Common exam trap: NAT rules depend on direction and matching traffic

NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.

Technical deep dive

How to think about this question

NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.

KKey Concepts to Remember

  • Static NAT maps one inside address to one outside address.
  • PAT allows many inside hosts to share one public address using ports.
  • Inside local and inside global describe the private and translated addresses.
  • NAT ACLs identify traffic for translation, not always security filtering.

TExam Day Tips

  • Identify inside and outside interfaces first.
  • Check whether the scenario needs static NAT, dynamic NAT or PAT.
  • Do not confuse NAT matching ACLs with normal packet-filtering intent.

Related practice questions

Related AZ-104 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

FAQ

Questions learners often ask

What does this AZ-104 question test?

Static NAT maps one inside address to one outside address.

What is the correct answer to this question?

The correct answer is: A user-assigned managed identity. — A user-assigned managed identity is the best fit when the identity must outlive a resource instance or be reused across multiple resources. Because it is created as a separate Azure resource, you can recreate the Automation account without losing the identity or reissuing secrets. That keeps the solution secretless, durable, and easier to operationalize in deployment pipelines and automation workflows. Why others are wrong: A system-assigned identity is deleted with the resource and would break when the Automation account is recreated. A service principal still relies on a stored secret or certificate, which increases maintenance. A SAS token is for limited storage access and does not provide general-purpose Azure authentication for runbooks.

What should I do if I get this AZ-104 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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