350-601 Storage Network Practice Question
Which TWO statements correctly describe the benefits of thin provisioning in a storage array?
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
✓
It allows over-provisioning of logical capacity beyond physical capacity
Thin provisioning allows over-allocation of storage capacity, reducing waste, and enables on-demand allocation of physical storage as data is written.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It eliminates the need for RAID protection
Why it's wrong here
Thin provisioning does not replace RAID; data protection is still needed.
- ✗
It improves performance by pre-allocating all storage upfront
Why it's wrong here
Pre-allocation is not a characteristic of thin provisioning; it may reduce performance due to on-demand allocation.
- ✓
It allows over-provisioning of logical capacity beyond physical capacity
Why this is correct
Thin provisioning supports over-allocation, enabling administrators to present more capacity than physically available.
- ✗
It simplifies disaster recovery by replicating only allocated blocks
Why it's wrong here
Replication efficiency is not a primary benefit of thin provisioning; snapshots can be used for that.
- ✓
It reduces storage costs by allocating physical space only when data is written
Why this is correct
Thin provisioning allocates physical storage on demand, reducing wasted capacity.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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