HCSA-Presales-IT V1.0 Practice Questions & Answers • ExamPrepare

Question 1

Which scenarios can FlashEver capability of OceanStor Dorado be applied?

Upgrading from OceanStor Dorado V6 to new-gen Dorado, cross-generation data migration, and online upgrade
The new-gen Dorado clusters with existing Dorado, enhancing performance and capacity
Building cross-generation Active-Active and Active-Passive disaster recovery solutions with new-gen Dorado and Dorado V6
Upgrading from Dorado V6 to new-gen Dorado by replacing controllers without data migration

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Question 2

What data tiering capabilities does OceanStor Pacific provide?

The production/backup system provides intra-cluster tiering.
Production/Backup System Tiering to Object Nearline Archiving
Tiering secondary storage to Blu-ray offline archiving
Tier 2 storage tiering to the cloud

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Question 3

OceanStor Pacific supports Vnode EC, which is the advantage of vNode?

Provides higher redundancy than node-level EC
Large-scale EC is supported, providing high space utilization.
Delivers higher performance
Supports higher performance

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Question 4

In container scenarios, which is the advantages of OceanStor Pacific object storage over SAN/NAS?

Higher performance of object storage
Larger expansion capacity of object storage
Object storage does not need to be remounted during POD failover, achieving zero waiting.
Object object cost is lower

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Question 5

Which of the following data storage scenarios does OceanStor Pacific cross-site DR (multi-active HyperGeoMetro and cross-site EC HyperGeoEC) apply to?

File
Object
Big data
block

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Question 6

What are the technical optimizations made by OceanStor Pacific for scenarios with mixed load of large and small I/Os?

Small I/Os are directly written to disks.
Small I/Os are aggregated in the cache and then written to disks.
Large I/Os are directly written to disks.
Large I/Os and small I/Os are aggregated in the cache and then written to disks.

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