Q. Which operator is best for sequential HTTP calls?

  • (A) mergeMap
  • (B) switchMap
  • (C) concatMap
  • (D) forkJoin
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✅ Correct Answer: (C) concatMap
Explanation: concatMap ensures sequential execution.

Published by Kartik Sharma ⭐ 8.52K Points at 05-Jan-2026 08:09 am in Angular

Explanation by: Kartik Sharma
concatMap ensures sequential execution.

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