- A
A minimum of 5 nodes is required for RF3.
Why wrong: RF3 can be deployed with 4 nodes.
- B
A cluster witness VM is necessary to maintain quorum.
Correct. Witness prevents split-brain.
- C
Node count should be odd to avoid split-brain without witness.
Correct. Odd number of nodes provides natural quorum.
- D
Hybrid nodes (HDD+SSD) offer better performance than all-flash.
Why wrong: All-flash offers better performance.
- E
Replication factor of 3 (RF3) provides higher fault tolerance than RF2.
Correct. RF3 tolerates more failures.
Question 73 of 1,000
350-601 Compute Practice Question
This 350-601 practice question tests your understanding of compute. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
An engineer is designing a HyperFlex cluster with strict fault tolerance requirements. Which three considerations should be taken into account? (Choose three.)
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 cluster witness VM is necessary to maintain quorum.
Replication factor (RF2 or RF3) determines data redundancy. The witness VM ensures quorum. Node count affects failure tolerance: with RF3, a 4-node cluster can tolerate two node failures; with RF2, a 3-node cluster can tolerate one failure.
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 minimum of 5 nodes is required for RF3.
Why it's wrong here
RF3 can be deployed with 4 nodes.
- ✓
A cluster witness VM is necessary to maintain quorum.
Why this is correct
Correct. Witness prevents split-brain.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Node count should be odd to avoid split-brain without witness.
Why this is correct
Correct. Odd number of nodes provides natural quorum.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Hybrid nodes (HDD+SSD) offer better performance than all-flash.
Why it's wrong here
All-flash offers better performance.
- ✓
Replication factor of 3 (RF3) provides higher fault tolerance than RF2.
Why this is correct
Correct. RF3 tolerates more failures.
Related concept
Read the scenario before looking for a memorised answer.
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 350-601 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 350-601 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.
- →
Compute — study guide chapter
Learn the concepts, then practise the questions
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Compute practice questions
Targeted practice on this topic area only
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FAQ
Questions learners often ask
What does this 350-601 question test?
Compute — This question tests Compute — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A cluster witness VM is necessary to maintain quorum. — Replication factor (RF2 or RF3) determines data redundancy. The witness VM ensures quorum. Node count affects failure tolerance: with RF3, a 4-node cluster can tolerate two node failures; with RF2, a 3-node cluster can tolerate one failure.
What should I do if I get this 350-601 question wrong?
Identify which 350-601 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.
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 →
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Last reviewed: Jul 4, 2026
This 350-601 practice question is part of Courseiva's free Cisco 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 350-601 exam.
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