100% Pass Quiz Huawei - H19-308_V4.0 - Pass-Sure HCSA-Presales-Storage V4.0 Actual Questions

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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
Related Certifications:HCSA-Presales-Storage
Passing Score:600/1000
Exam Format:Multiple-choice, Single-choice, True/False
Certificate Validity Period:N/A
Exam Duration:90 minutes
Available Languages:English
Real Exam Qty:60
Exam Price:100 USD
Sample Questions:Huawei H19-308_V4.0 Sample Questions
Exam Way:Written examination
Pre Condition:None specified
Official Syllabus URL:https://e.huawei.com/en/talent/cert/#/cert/overview?certCode=HCSA-Presales-Storage

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Huawei H19-308_V4.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 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.
Topic 5
  • 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 (Q70-Q75):

NEW QUESTION # 70
When RAID 5 is configured for the new-gen OceanStor hybrid storage, how many write penalties are generated in one full-stripe write operation?

Answer: A

Explanation:
In Huawei OceanStor storage systems utilizing RAID 2.0+ and the SmartMatrix architecture, the "write penalty" associated with traditional RAID is mitigated through Full-Stripe Writes. In a partial write (where only some data in a stripe is updated), a RAID 5 setup usually suffers a write penalty of 4 (Reading old data, reading old parity, writing new data, writing new parity).
However, Huawei's controllers utilize a large cache to aggregate incoming data. When enough data is collected to fill an entire stripe (e.g., 8 data chunks plus 1 parity chunk in an 8+1 RAID 5 setup), the system performs a Full-Stripe Write. In this scenario, the system calculates the parity in the CPU/cache and writes the entire stripe to the disks at once. Since no old data or old parity needs to be read from the physical disks before writing, the disk-level write penalty is 0. This significantly enhances the write performance of hybrid arrays, especially those using mechanical HDDs which are highly sensitive to the latency of extra read/write operations.


NEW QUESTION # 71
Which of the following is the maximum performance (IOPS@SPC-l) that OceanStor V5 can achieve?

Answer: B


NEW QUESTION # 72
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: A,C

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 # 73
In SmartMulti-Tenant, a vStore is managed by only one tenant administrator, and vStores are isolated from each other.

Answer: B


NEW QUESTION # 74
Post-process deduplication and compression are more suitable for SSD storage.

Answer: B

Explanation:
Inline deduplication and compression are generally more suitable for SSD storage because they reduce the amount of data written to the SSDs in real-time, extending the lifespan of the SSDs and improving performance. Post-process deduplication and compression, on the other hand, are performed after data is written, which can increase write amplification and reduce SSD lifespan, making them less ideal for SSD storage.


NEW QUESTION # 75
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