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AZ-802 · Networking · Networking | Implement on-premises and hybrid name resolution

Practice question 181 of 506 · hard

A server-level forwarder does not respond. Which two conditions matter before root-hint fallback can occur? Select two answers.

Select all that apply. Every correct option and no extras are required for credit in the app.

  1. A.Recursion and root-hint fallback must be permitted
  2. B.The same exact namespace must be both a primary zone and conditional forwarder
  3. C.The overall recursion timeout must still allow another path
  4. D.A reverse zone must exist for every Internet name
  5. E.Every authoritative NXDOMAIN must be discarded
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✓ Correct answers

  • Recursion and root-hint fallback must be permitted
  • The overall recursion timeout must still allow another path

Fallback needs permitted recursion/root-hint behavior and remaining time after applicable forwarders are exhausted. Terminal authoritative negatives are not simply discarded. Identical hosted-zone and conditional-forwarder names cannot coexist, and reverse zones are not required for normal forward Internet resolution.

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