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AZ-305 · Identity and access

Practice question 49 of 400 · hard

A PTA design uses one validation agent and assumes PHS backup activates automatically when that agent fails. Which two corrections should be made? Select 2 answers.

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  1. A.Keep one PTA agent because every sign-in is validated entirely by Entra ID.
  2. B.Deploy resilient PTA agents; Microsoft recommends three.
  3. C.Add local PTA agents but omit domain-controller and outbound-connectivity availability planning.
  4. D.Plan and test the manual switch to prepared PHS backup.
  5. E.Assume merely enabling PHS guarantees automatic fallback when the PTA agent fails.
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✓ Correct answers

  • Deploy resilient PTA agents; Microsoft recommends three.
  • Plan and test the manual switch to prepared PHS backup.

PTA requires resilient agents and reachable domain controllers; three agents are recommended. PHS backup can be enabled, but switching to it is a planned manual change. One agent is still a dependency, and adding agents alone does not eliminate shared domain-controller or network failure. Source: AZ-305 Study Guide.pdf, PDF page(s) 14.

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