Question 270 of 1,020

Quick Answer

The correct answer is that the presence penalty parameter in Azure OpenAI applies a flat penalty to any token already present in the response, discouraging repetition of that token. This works by reducing the model’s likelihood of selecting a token that has already appeared in the output sequence, thereby promoting more diverse and less repetitive text generation. On the Microsoft Azure AI Fundamentals AI-900 exam, this concept tests your understanding of how to control output variety versus coherence, often appearing alongside the frequency penalty parameter in scenario-based questions. A common trap is confusing presence penalty with frequency penalty—remember that presence penalizes any token that has appeared at all, regardless of how many times, while frequency penalizes tokens proportionally to their usage count. For a quick memory tip, think of presence as a “once is enough” flat fee, whereas frequency is a “repeat offender” progressive tax.

AI-900 Practice Question: Describe features of generative AI workloads on Azure

This AI-900 practice question tests your understanding of describe features of generative ai workloads on azure. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.

What is the 'presence penalty' parameter in Azure OpenAI API calls?

Question 1mediummultiple choice
Full question →

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

A flat penalty discouraging repetition of any token already present in the response

The 'presence penalty' parameter in Azure OpenAI API calls applies a flat penalty to any token that has already appeared in the response so far, reducing the model's likelihood of repeating that token. This helps generate more diverse and less repetitive text by discouraging the reuse of tokens already present in the output sequence.

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.

  • A parameter requiring AI systems to acknowledge their presence as AI to users

    Why it's wrong here

    AI disclosure is a transparency concern — presence penalty controls output vocabulary diversity.

  • A flat penalty discouraging repetition of any token already present in the response

    Why this is correct

    Presence penalty adds a flat penalty for any previously used token — encouraging vocabulary diversity regardless of repeat frequency.

    Related concept

    Read the scenario before looking for a memorised answer.

  • A parameter indicating whether the AI is present online or offline

    Why it's wrong here

    Service availability is operational status — presence penalty is a generation diversity parameter.

  • The minimum number of characters that must be present in a response

    Why it's wrong here

    Response length minimums are formatting concerns — presence penalty controls output vocabulary repetition.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Microsoft often tests the distinction between 'presence penalty' and 'frequency penalty' — the trap here is that candidates confuse the presence penalty with a requirement for AI disclosure or a simple repetition penalty, missing that it specifically penalizes any token that has already appeared at least once, regardless of how many times.

Trap categories for this question

  • Command / output trap

    AI disclosure is a transparency concern — presence penalty controls output vocabulary diversity.

Detailed technical explanation

How to think about this question

Under the hood, the presence penalty subtracts a fixed value (scaled by the penalty parameter, typically between -2.0 and 2.0) from the logit of any token that has already been generated in the current response. This is applied before the softmax function, making repeated tokens less likely to be selected. In contrast, the frequency penalty scales the penalty by the number of times a token has appeared, which can be more aggressive for highly repeated tokens. A real-world scenario where presence penalty is critical is in creative writing or code generation, where avoiding repetitive phrases or variable names improves output quality.

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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.

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.

Related practice questions

Related AI-900 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

Practice this exam

Start a free AI-900 practice session

Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.

FAQ

Questions learners often ask

What does this AI-900 question test?

Describe features of generative AI workloads on Azure — This question tests Describe features of generative AI workloads on Azure — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: A flat penalty discouraging repetition of any token already present in the response — The 'presence penalty' parameter in Azure OpenAI API calls applies a flat penalty to any token that has already appeared in the response so far, reducing the model's likelihood of repeating that token. This helps generate more diverse and less repetitive text by discouraging the reuse of tokens already present in the output sequence.

What should I do if I get this AI-900 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.

About these practice questions

Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →

How Courseiva writes practice questions · Editorial policy

Keep practising

More AI-900 practice questions

Last reviewed: Jun 30, 2026

Question Discussion

Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.

Loading comments…

Sign in to join the discussion.

This AI-900 practice question is part of Courseiva's free Microsoft 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 AI-900 exam.