Retrieval-Augmented Generation: fetch relevant docs, then ask the LLM with that context. Reduces hallucinations for company data. ShopNest support bot retrieves return policy chunks before answering.
Fiserv rounds often probe: Payments domain.
Themes commonly reported in public MNC interview experiences (AmbitionBox / LinkedIn / Glassdoor-style). Practice aloud; keep answers this short in the real round.