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Huawei H19-308_V4.0 Exam Overview:

Certification Vendor:Huawei
Exam Name:HCSA-Presales-Storage V4.0
Exam Number:H19-308_V4.0
Exam Price:100 USD
Exam Format:Single-choice, Multiple-choice
Real Exam Qty:60
Exam Duration:90 minutes
Available Languages:English
Related Certifications:HCIP-Presales-Storage
HCIE-Presales-Storage
Passing Score:600/1000
Certificate Validity Period:3 years
Recommended Training:Huawei Official Training Course
Exam Registration:Pearson VUE Registration
Sample Questions:Huawei H19-308_V4.0 Sample Questions
Exam Way:Online proctored or onsite at Pearson VUE test centers
Pre Condition:No mandatory prerequisites; recommended to have basic knowledge of storage technologies and Huawei storage products
Official Syllabus URL:https://e.huawei.com/en/talent/certification/exam/h19-308_v4-0

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Huawei H19-308_V4.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • OceanStor Pacific: OceanStor Pacific is Huawei's distributed storage for massive-scale data management and cloud-native applications. It provides scalability, resilience, and performance for big data, AI workloads, and large-scale storage.
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
  • 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 4
  • NAS Storage Basis: Network-Attached Storage delivers file-level storage over standard networks, accessible to multiple users simultaneously. NAS systems offer cost-effective solutions for file sharing, collaboration, and centralized data management.
Topic 5
  • 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 6
  • Backup and Disaster Recovery: Backup and disaster recovery strategies protect organizations from data loss through redundant copies of critical information. Comprehensive backup solutions ensure business continuity and enable rapid recovery to minimize downtime.
Topic 7
  • 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.
Topic 8
  • Data Storage Basis: Data storage is the foundation of IT infrastructure, enabling efficient storage, management, and retrieval of digital information. Understanding storage fundamentals is essential for selecting solutions that meet business performance, capacity, and reliability requirements.

Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q18-Q23):

NEW QUESTION # 18
What are the minimum secure snapshot intervals for the new-gen OceanStor hybrid flash storage? (Select all that apply)

Answer: A,C

Explanation:
Huawei's new-generation OceanStor hybrid flash storage systems (such as the 5000 and 6000 series) provide high-density snapshot capabilities to ensure data resilience against logical errors or malicious attacks.
According to the technical specifications for these systems, the minimum intervals for secure snapshots differ between file and block services.
For SAN (Block) storage , the system can support high-frequency snapshots with a minimum interval of 3 seconds . This low interval allows for near-continuous data protection, enabling recovery points that are extremely close to the moment of a failure or attack. For NAS (File) storage , the minimum secure snapshot interval is 15 seconds . While slightly longer than the SAN interval, this still provides superior granularity for file-level recovery compared to traditional backup schedules that often run only once per day or hour. These " HyperSnap " and " HyperCDP " features ensure that mission-critical applications can be rolled back to a healthy state within seconds, significantly reducing the Recovery Point Objective (RPO) for both structured and unstructured data.


NEW QUESTION # 19
What are the core benefits (selling points) of Huawei OceanStor Dorado? (Choose all that apply.)

Answer: A,B,C,D

Explanation:
Huawei OceanStor Dorado offers all these core benefits: industry-leading reliability, the fastest I/O processing, unified SAN and NAS support in native format, and intelligent management with predictive capabilities provided by DME (Data Management Engine). These features make it a top-performing and versatile enterprise storage solution.


NEW QUESTION # 20
Which of the following statements about RAID 5 are correct? (Choose all that apply.)

Answer: C,D


NEW QUESTION # 21
Which of the following Smart features are used in data migration?

Answer: B,C


NEW QUESTION # 22
There are two cross-site multi-active DR modes: replication multi-active and cross-site EC. Both modes support multi-site active-active. The difference is that in replication multi-active mode, each site has one data copy. However, cross-site EC distributes a piece of data to multiple sites and there is only one data copy among the sites.

Answer: A

Explanation:
Replication multi-active mode keeps one complete data copy at each site, enabling multiple active sites with full data redundancy. In contrast, cross-site EC (Erasure Coding) splits data across multiple sites so that only one distributed data copy exists among the sites, reducing storage overhead while still providing data resilience.


NEW QUESTION # 23
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