350-601 Compute Practice Question
A HyperFlex cluster with 6 nodes using RF3 experiences a node failure. After the failed node is replaced, the administrator notices degraded performance. Which THREE factors could contribute to the performance degradation?
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
✓
The cluster is rebalancing data across all nodes.
During re-replication, there is increased I/O and CPU load. Additionally, if the replacement node is slower (e.g., fewer SSDs) or if the cluster is rebalancing, performance can suffer.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The cluster is rebalancing data across all nodes.
Why this is correct
Rebalancing increases load.
- ✗
The witness VM is offline.
Why it's wrong here
Witness affects quorum, not performance.
- ✗
The replication factor changed from RF3 to RF2.
Why it's wrong here
RF does not change automatically.
- ✓
Data re-replication to the replacement node consumes I/O bandwidth.
Why this is correct
Re-replication uses cluster resources.
- ✓
The replacement node has a different SSD model with lower performance.
Why this is correct
Heterogeneous hardware can degrade performance.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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