NCA-5.15 · Question #11
Which two CVM components are used to provide data locality? (Choose two.)
The correct answer is B. Unified Cache C. Extent Store. Data locality in Nutanix means keeping data on the same node where the VM runs, reducing network overhead. The Unified Cache (B) is a multi-tier cache (RAM + SSD) that stores hot data locally within the CVM, serving reads from the local node. The Extent Store (C) is the…
Question
Which two CVM components are used to provide data locality? (Choose two.)
Options
- ALogical Unit
- BUnified Cache
- CExtent Store
- DVolume Group
How the community answered
(42 responses)- A7% (3)
- B90% (38)
- D2% (1)
Explanation
Data locality in Nutanix means keeping data on the same node where the VM runs, reducing network overhead. The Unified Cache (B) is a multi-tier cache (RAM + SSD) that stores hot data locally within the CVM, serving reads from the local node. The Extent Store (C) is the persistent storage layer within the CVM that physically stores data extents on local drives. Together, they ensure that a VM's data is preferentially read from and written to the local node's storage stack. Logical Units (A) are storage constructs for block access, and Volume Groups (D) are collections of disks for iSCSI - neither is directly responsible for data locality.
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