Moderate RAG Question 217 of 223

How do you reduce hallucinations in a RAG answer?

GenAI / LLM · Speak this in 60–90 seconds · Faridabad & Delhi NCR

Text inTokens

TransformerAttention

Text outNext token

Ground the model on retrieved text, cite sources, and refuse when context is weak.

LLMs use tokens (not full words) because it helps them:

This is a process

question about RAG.

Panels listen for order,

trade-offs, and what you would actually do on a GenAI / LLM project - not buzzwords.

Stable token IDs

Each piece maps to a number the network can learn.

Fits the model

Fixed pieces are what transformers expect as input.

Before you speak the answer, walk the interviewer through these steps:

1
Ground the model on
retrieved text, cite sources, and refuse when context is weak.
2
Why it exists
Pure parametric answers invent facts.
3
How it works
Evaluation with real questions matters.
4
Give an example
One tiny concrete case you can say aloud.
5
Common mistake
What juniors usually get wrong.
6
Close
When you pick this over the alternative.

Here's a short line you can speak, broken into clear beats:

Say this line

“Pure parametric answers invent facts.”

Break into beats

Pureparametricanswersinventfacts

Speaking order

298740833747163290

Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.

Ground the model on retrieved text, cite sources, and refuse when context is weak. Pure parametric answers invent facts.