By default, Angular relies on Zone.js to monkey-patch asynchronous browser APIs (like setTimeout and fetch ). This triggers change detection automatically when async events resolve.

To help tailor a specific preparation plan for you, let me know: What are you targeting?

Explain that mutating an object property will not trigger an update under OnPush because the object reference remains the same. You must enforce immutability (e.g., using the spread operator or libraries like Immer) to make OnPush work correctly. Signals vs. RxJS

Angular Interview Questions and Answers | Blog - GreatFrontEnd

Best for synchronous state, derived state ( computed ), and fine-grained DOM updates without zone overhead.

Decoded Frontend: Angular Interview Hacking Standard documentation review is no longer sufficient to clear modern frontend loops. You must demonstrate an ability to architect scalable applications and debug complex reactivity chains under pressure.