Huawei H19-308-ENU Actual Free Exam Questions & Community Discussion

Exam Code/Number: H19-308-ENU
Exam Name/Title: HCSA-Presales-Storage
Certification Provider: Huawei
Corresponding Certification: HCS-Pre-sales

Exam Questions: 200
Updated On: Oct 12, 2026

Question #11

Which technologies can achieve disk data balancing by distributing data in IUNs to as many disks as possible?

A. EC technology

B. Block-level virtualization based on logical disk blocks

C. Traditional RAID group

D. LUN virtualization based on physical disks

Discussion 0

Correct Answer: B,C Vote an answer

Question #12

The RPO of a storage product is 30 minutes and the RTO is 15 minutes. Which statements are correct?

A. It may take 45 minutes to bring one or more applications back from an outage to a correct running state.

B. If the storage system is faulty, there may be 30 minutes of data differences between the production site and the disaster recovery site.

C. If the storage system is faulty, there may be 45 minutes of data differences between the production site and the disaster recovery site.

D. It may take 15 minutes to bring one or more applications back from an outage to a correct running state.

Discussion 0

Correct Answer: B,D Vote an answer

Question #13

Dorado V3 tolerates failure of 4 SSDs simultaneously

A. TRUE

B. FALSE

Discussion 0

Correct Answer: B Vote an answer

Question #14

Which levels are included in the reliability delivered by Dorado V6?

A. Cloud level (for example, gateway-free backup to the cloud)

B. Architecture level (for example, the SmartMatrix achitecture can tolerate the failure of seven out of eight controllers and one out of two controller enclosures)

C. Solution level (for example, the Ever New Device Service and gateway-free HyperMetro)

D. Disk level (for example, the Huawei-patented anti-wear leveling algorithm)

E. System level (for example, RAID TP supports simultaneous failure of three disks)

Discussion 0

Correct Answer: B,E Vote an answer

Question #15

The OceanStor F V5 series all-flash storage supports both tiered storage (SmartTier) and intelligent caching (SmartCache).

A. TRUE

B. FALSE

Discussion 0

Correct Answer: B Vote an answer

Question #16

Which of the following technologies is not used by Huawei OceanStor SmartQoS?

A. I/O flow control

B. I/O priority scheduling

C. Cache partitioning

D. I/O latency control

Discussion 0

Correct Answer: C Vote an answer

Question #17

Dorado V3 supports SSDs and HDDs

A. TRUE

B. FALSE

Discussion 0

Correct Answer: B Vote an answer

Question #18

The Dorado V3 supports NVMe SSDs.

A. TRUE

B. FALSE

Discussion 0

Correct Answer: A Vote an answer

Question #19

Which of the following Smart features are used in data migration?

A. SmartQuota

B. SmartMigration

C. SmartVirtualization

D. SmartPartition

Discussion 0

Correct Answer: B,C Vote an answer

Question #20

FlashLink involves which of the following technologies:

A. Scale-up and Scale-out

B. I/O priority adjustment

C. Sequential write of large blocks

D. Independent metadata data partitioning

Discussion 0

Correct Answer: A,B,C,D Vote an answer

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