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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
Certificate Validity Period:3 years
Passing Score:600/1000
Real Exam Qty:60
Available Languages:English
Related Certifications:HCIE-Presales-Storage
HCIP-Presales-Storage
Exam Format:Single-choice, Multiple-choice
Exam Price:100 USD
Exam Duration:90 minutes
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 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 2
  • 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 3
  • 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.
Topic 4
  • 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 5
  • OceanProtect Backup Storage: OceanProtect offers comprehensive data protection with efficient backup, recovery, and retention features. This solution ensures security through encryption and deduplication while reducing storage costs.
Topic 6
  • 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.

Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q85-Q90):

NEW QUESTION # 85
Which features and technologies ensure Ever Solid Dorado V6?

Answer: A,B,C


NEW QUESTION # 86
Which of the following can be used as backup media? (Select all that apply)

Answer: A,B,C,D

Explanation:
Huawei's data protection solutions, particularly the OceanProtect and BCManager suites, support a wide range of backup targets to accommodate various Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO).
Disk (Option C): This is the most common modern backup media (Disk-to-Disk or D2D), offering fast backup and recovery speeds. Huawei's OceanProtect is a dedicated high-speed disk-based backup storage.
Tape Library (Option D): Traditionally used for long-term archiving (D2D2T), tape remains a cost-effective and reliable "offline" storage medium for compliance and disaster recovery.
Disc (Option A): Optical discs (like Blu-ray) are used in specific archival scenarios where "Write Once" (WORM) physical media is required for regulatory purposes.
Cloud (Option B): Modern Huawei solutions support Backup to Cloud, where data is deduplicated, compressed, and sent to an off-site object storage provider (like Huawei Cloud OBS) for cost-effective disaster recovery without the need for a physical secondary site.


NEW QUESTION # 87
In the medical picture archiving and communication system (PACS), X-ray, MRI, CT, and ultrasound tests generate a large number of image files every day. The file size ranges from 100 KB to 1 MB. Which of the following Huawei NAS products are recommended for the system? (Select all that apply)

Answer: B,D

Explanation:
Huawei provides tailored solutions for Medical PACS based on the specific performance and scale requirements of healthcare providers. OceanStor Dorado NAS (Option D) is recommended for the " Hot Data
" or active tier of a PACS system. Because medical images between 100 KB and 1 MB require high- concurrency access and extremely low latency for immediate clinical review, the FlashLink technology and all-flash architecture of the Dorado series provide the necessary IOPS to prevent bottlenecks during peak hours.
OceanStor Pacific (Option C) is the primary recommendation for the massive, long-term unstructured data storage required by PACS. A single hospital can generate petabytes of data over several years. OceanStor Pacific's scale-out architecture allows it to handle billions of small files efficiently using a global namespace, and its high-ratio Erasure Coding (EC) ensures maximum capacity utilization and lower TCO for archives.
While Hybrid Flash (Option A) can be used, it is often superseded by the superior performance of Dorado or the superior scalability of Pacific in modern medical environments. FusionCube (Option B) is an HCI solution more suited for edge computing or virtualization rather than specialized, large-scale medical imaging repositories.


NEW QUESTION # 88
Which statements about OceanStor Dorado reliability are correct?

Answer: A,B,C,D

Explanation:
OceanStor Dorado provides full-stack reliability, including disk enclosure redundancy, SAN/NAS HyperMetro, advanced SSD protection with global and anti-wear leveling, and high fault tolerance through RAID-TP and the SmartMatrix full-mesh architecture (tolerating three disk failures and seven out of eight controller failures).


NEW QUESTION # 89
Which of the following will NOT occur after you set the hard, soft, and advisory quotas for a 1 TB directory to 800 GB, 700 GB, and 600 GB, respectively? (Select all that apply)

Answer: B,C

Explanation:
Huawei's SmartQuota feature allows administrators to manage storage consumption at the directory, user, or user-group level using three types of thresholds:
Hard Quota (800 GB): This is a strict limit. Once the used capacity reaches this value, the storage system will immediately prevent any further write operations to that directory. Therefore, Option D will occur.
Soft Quota (700 GB): This is a flexible limit combined with a grace period. When the limit is exceeded, the system issues an alarm but continues to allow data writes until the grace period expires or the hard quota is reached. Therefore, Option B will NOT occur.
Advisory Quota (600 GB): This is purely for monitoring and reporting. When reached, the system simply triggers an administrative alarm or notification; it never restricts data writes. Therefore, Option C will NOT occur.
Option A is also correct because the directory is part of a 1 TB file system; it can never exceed the physical size of its parent container. Thus, only B and C are the actions that "will NOT occur."


NEW QUESTION # 90
......

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