350-601 Compute Practice Question
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.
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.
- ✓
Node count should be odd to avoid split-brain without witness.
Why this is correct
Correct. Odd number of nodes provides natural quorum.
- ✗
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.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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