Question 509 of 997
Techniques to Improve Generative AI Model OutputhardMultiple ChoiceObjective-mapped

Grounding Sources for Factual Accuracy

This Generative AI Leader practice question tests your understanding of techniques to improve generative ai model output. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

Exhibit

Refer to the exhibit.

```json
{
  "model": "publishers/google/models/chat-bison@001",
  "endpoint": "us-central1-aiplatform.googleapis.com",
  "parameters": {
    "temperature": 0.9,
    "topP": 0.95,
    "maxOutputTokens": 256,
    "groundingConfig": {
      "sources": []
    }
  },
  "deployment": "production"
}
```

The exhibit shows the deployment configuration for a conversational AI model used in a finance application. Users report that responses are creative but often contain factually incorrect financial advice. Which parameter change would most improve factual accuracy?

Exhibit

Refer to the exhibit.

```json
{
  "model": "publishers/google/models/chat-bison@001",
  "endpoint": "us-central1-aiplatform.googleapis.com",
  "parameters": {
    "temperature": 0.9,
    "topP": 0.95,
    "maxOutputTokens": 256,
    "groundingConfig": {
      "sources": []
    }
  },
  "deployment": "production"
}
```

Quick Answer

The correct answer is to add grounding sources, such as EnterpriseSearch or Web. This directly improves factual accuracy because grounding sources inject verified, real-world data into the model’s responses, effectively reducing the hallucination of invented financial advice. On the Google Cloud Generative AI Leader exam, this scenario tests your understanding of how retrieval-augmented generation (RAG) anchors outputs to truth, a key distinction from simply lowering temperature or adjusting token limits. A common trap is assuming that reducing creativity alone fixes facts, but without a knowledge base, the model still fabricates confidently. Remember the mnemonic: “Ground to be sound”—if you need facts, don’t tweak the dial; connect the model to a reliable well.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Add grounding sources, such as "EnterpriseSearch" or "Web"

Adding grounding sources like EnterpriseSearch or Web provides the model with access to authoritative, up-to-date financial data, which directly reduces hallucinations by anchoring responses in verified facts rather than relying solely on the model's parametric knowledge. This is the most effective technique for improving factual accuracy in a domain where correctness is critical.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Add grounding sources, such as "EnterpriseSearch" or "Web"

    Why this is correct

    Grounding forces the model to base responses on real data, directly improving factual accuracy.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Lower temperature to 0.1

    Why it's wrong here

    Lower temperature reduces randomness but does not add factual information; model may still hallucinate.

  • Increase topP to 1.0

    Why it's wrong here

    Higher topP increases token sampling diversity, potentially worsening factual errors.

  • Increase maxOutputTokens to 1024

    Why it's wrong here

    Changing token limit does not affect the factual correctness of content.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the misconception that adjusting sampling parameters (temperature, topP) can fix factual accuracy issues, when in reality those parameters only control output randomness and diversity, not the truthfulness of the underlying knowledge.

Detailed technical explanation

How to think about this question

Grounding works by retrieving relevant documents or data from external sources (e.g., enterprise databases, web search APIs) and injecting them into the model's context window as part of the prompt, effectively performing retrieval-augmented generation (RAG). Under the hood, the model attends to these grounded passages via cross-attention mechanisms, prioritizing them over its own training data when generating responses. In practice, for a finance application, grounding ensures that advice like 'What is the current interest rate?' is answered from a live database rather than from the model's potentially outdated training corpus.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this Generative AI Leader question test?

Techniques to Improve Generative AI Model Output — This question tests Techniques to Improve Generative AI Model Output — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Add grounding sources, such as "EnterpriseSearch" or "Web" — Adding grounding sources like EnterpriseSearch or Web provides the model with access to authoritative, up-to-date financial data, which directly reduces hallucinations by anchoring responses in verified facts rather than relying solely on the model's parametric knowledge. This is the most effective technique for improving factual accuracy in a domain where correctness is critical.

What should I do if I get this Generative AI Leader question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jul 4, 2026

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This Generative AI Leader practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the Generative AI Leader exam.