Network_Appliance
NS0-157 · Question #271
NS0-157 Question #271: Real Exam Question with Answer & Explanation
The correct answer is B: FlexCache software. FlexCache balances read load across a cluster by caching only accessed data blocks, consuming significantly less disk capacity than a full load-sharing SnapMirror copy.
Question
What feature balances load across a cluster while consuming less disk capacity than LS SnapMirror copies?
Options
- ASnapVAult copies
- BFlexCache software
- CFlexClone copies
- DDP SnapMirror copies
Explanation
FlexCache balances read load across a cluster by caching only accessed data blocks, consuming significantly less disk capacity than a full load-sharing SnapMirror copy.
Common mistakes.
- A. SnapVault is a disk-to-disk backup solution designed for long-term retention of point-in-time copies, not for distributing read workloads across a cluster.
- C. FlexClone creates writable, space-efficient clones used for testing or provisioning workflows, not for read load balancing across cluster nodes.
- D. DP SnapMirror copies are full volume replicas used for disaster recovery and consume disk capacity equal to the source volume, making them less efficient than FlexCache for load distribution.
Concept tested. FlexCache read load balancing vs LS SnapMirror
Reference. https://docs.netapp.com/us-en/ontap/flexcache/index.html
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