Question 183 of 500
Machine Learning and Deep LearningeasyMultiple ChoiceObjective-mapped

AI0-001 Machine Learning and Deep Learning Practice Question

This AI0-001 practice question tests your understanding of machine learning and deep learning. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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

{
  "train_loss": [0.8, 0.6, 0.5, 0.45, 0.42],
  "val_loss": [0.9, 0.85, 0.88, 0.92, 0.95],
  "train_acc": [0.7, 0.75, 0.8, 0.82, 0.83],
  "val_acc": [0.65, 0.68, 0.67, 0.66, 0.65]
}

Refer to the exhibit. The training log shows losses and accuracies over 5 epochs. What is the most likely problem?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "most likely"

    Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1easymultiple choice
Full question →

Exhibit

{
  "train_loss": [0.8, 0.6, 0.5, 0.45, 0.42],
  "val_loss": [0.9, 0.85, 0.88, 0.92, 0.95],
  "train_acc": [0.7, 0.75, 0.8, 0.82, 0.83],
  "val_acc": [0.65, 0.68, 0.67, 0.66, 0.65]
}

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

Overfitting

Option B is correct because training loss decreases while validation loss increases, a classic sign of overfitting. Option A is incorrect because underfitting would show high losses on both sets. Option C is incorrect because vanishing gradient affects training loss progression, not divergence. Option D is incorrect because data leakage typically causes both sets to perform well.

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.

  • Data leakage

    Why it's wrong here

    Data leakage would artificially boost performance on both sets, not cause divergence.

  • Overfitting

    Why this is correct

    Overfitting is indicated by decreasing training loss and increasing validation loss.

    Clue confirmation

    The clue word "most likely" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Underfitting

    Why it's wrong here

    Underfitting would exhibit high loss on both training and validation sets.

  • Vanishing gradient

    Why it's wrong here

    Vanishing gradient would cause training loss to plateau, not diverge from validation.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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 practitioner preparing for the AI0-001 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

What to study next

Got this wrong? Here's your next step.

Identify which AI0-001 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related practice questions

Related AI0-001 practice-question pages

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

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FAQ

Questions learners often ask

What does this AI0-001 question test?

Machine Learning and Deep Learning — This question tests Machine Learning and Deep Learning — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Overfitting — Option B is correct because training loss decreases while validation loss increases, a classic sign of overfitting. Option A is incorrect because underfitting would show high losses on both sets. Option C is incorrect because vanishing gradient affects training loss progression, not divergence. Option D is incorrect because data leakage typically causes both sets to perform well.

What should I do if I get this AI0-001 question wrong?

Identify which AI0-001 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 23, 2026

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This AI0-001 practice question is part of Courseiva's free CompTIA 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 AI0-001 exam.