2026 Updated H19-308_V4.0: HCSA-Presales-Storage V4.0 Study Guide

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Huawei H19-308_V4.0 Exam Overview:

Certification Vendor:	Huawei
Exam Name:	HCSA-Presales-Storage V4.0 Exam (H19-308_V4.0)
Exam Number:	H19-308_V4.0
Available Languages:	Chinese, English
Exam Duration:	90 minutes
Exam Format:	Single choice, True/False, Multiple choice
Related Certifications:	HCIP HCIA HCSA
Sample Questions:	Huawei H19-308_V4.0 Sample Questions
Exam Way:	Online proctored or authorized test center
Pre Condition:	No strict prerequisite required; basic IT and storage knowledge recommended.

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Huawei H19-308_V4.0 Exam Syllabus Topics:

Topic	Details
Topic 1	Object Storage Basis: Object storage manages data as discrete units with metadata and unique identifiers for efficient retrieval. This scalable architecture suits unstructured data, cloud applications, and big data analytics requiring massive capacity.
Topic 2	OceanStor New Hybrid Flash Storage: OceanStor Hybrid Flash combines flash and disk storage to balance performance and cost-effectiveness. This architecture optimizes resources by placing performance-sensitive data on flash and capacity-oriented data on disk.
Topic 3	OceanStor Dorado: OceanStor Dorado is Huawei's all-flash storage solution for mission-critical applications demanding ultra-low latency. This platform leverages NVMe technology and intelligent management to accelerate digital transformation.
Topic 4	SAN Storage Basis: Storage Area Networks provide high-speed, block-level storage over dedicated networks for enterprise applications requiring low latency. SAN enables multiple servers to share storage resources while supporting advanced features like snapshots and replication.

Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q76-Q81):

NEW QUESTION # 76
What is the maximum number of I/O cards supported by the OceanStor 2200 V3?

A. 0
B. 1
C. 2

Answer: A

NEW QUESTION # 77
Which are characteristics of the HUAWEI OceanStor V3 hardware? (Choose all that apply.)

A. Primary and Backup convergence
B. No need for heterogeneous convergence anymore
C. SSD and HDD convergence
D. SAN and NAS convergence

Answer: A,B,D

NEW QUESTION # 78
Which statements about RAID of OceanStor Dorado are correct?

A. RAID-TP is supported, tolerating simultaneous failure of three disks.
B. RAID across enclosures is supported, tolerating the failure of one disk enclosure and one disk.
C. HyperZoom automatically adjusts the number of RAID member disks based on the number of faulty disks to ensure disk redundancy.
D. Independent hot spare disks are supported.

Answer: A,B,C

Explanation:
OceanStor Dorado uses Huawei RAID 2.0+ and advanced all-flash reliability technologies to improve data protection. Option A is correct because RAID-TP provides triple-parity protection and can tolerate the simultaneous failure of three disks. Option B is also correct because HyperZoom dynamically adjusts RAID member composition after disk failures, helping the system maintain redundancy instead of remaining in a degraded state longer than necessary. Option D is correct because Dorado supports data distribution across disk enclosures, allowing the system to tolerate enclosure-level failures when properly configured. Option C is incorrect because Dorado does not rely on traditional independent hot spare disks. Instead, spare capacity is distributed across the storage pool, enabling faster reconstruction and avoiding the bottlenecks associated with dedicated hot spares.
Therefore, A, B, and D are correct.

NEW QUESTION # 79
What are the advantages of object storage over traditional NAS storage? (Choose all that apply.)

A. Customized metadata is easy to manage.
B. Tree-shaped directories and hierarchical directory management are easy to understand.
C. HTTP/HTTPS is more universal than NFS/CIFS and supports Internet access.
D. The flat structure is easy to expand.

Answer: A,C,D

Explanation:
Object storage's flat structure allows for easier scalability compared to the hierarchical directory structure in traditional NAS.
Object storage typically uses HTTP/HTTPS, making it more accessible over the Internet and compatible with web-based applications.
Object storage supports customized metadata, which is flexible and enhances data management and searchability.

NEW QUESTION # 80
What advantages does the Huawei 2000 V3 offer to get the most out of fixed investments lower prices motivate customers to buy our products, and achieve project success?

A. Among 64 GB products, the OceanStor 2600 V3 supports the leading gateway-free converged active- active solution for SAN/NAS.
B. Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer commercial advantages.
C. Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer the most-comprehensive functions.
D. Among 32 GB products, the OceanStor 2200 V3 supports the leading gateway-free converged active- active solution for SAN/NAS.

Answer: B,D

NEW QUESTION # 81
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