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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
Exam Duration:90 minutes
Exam Format:Multiple choice, True/False, Single choice
Related Certifications:HCIA
HCIP
HCSA
Available Languages:English, Chinese
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:

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
  • 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 4
  • 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.

Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q56-Q61):

NEW QUESTION # 56
Which of the following is not product models of OceanStor Pacific series?

Answer: A

Explanation:
The 5310/5320/5510/5610 models are not part of the OceanStor Pacific series; they are models associated with Huawei's hybrid storage offerings, not the Pacific series. The OceanStor Pacific series includes archive models (9340/9346/9350), performance models (9920/9950), and balanced models (9520/9540/9546/9550), tailored to various storage requirements within the Pacific series lineup.


NEW QUESTION # 57
In SmartMulti-Tenant, a vStore is managed by only one tenant administrator, and vStDres are isolated from each other.

Answer: A


NEW QUESTION # 58
What is the maximum IOPS the Dorado V3 can achieve?

Answer: D


NEW QUESTION # 59
What does X of F2F2X stand for?

Answer: C

Explanation:
Huawei's OceanProtect backup storage solution is designed for the F2F2X (Flash-to-Flash-to-Anything) era. This concept represents a shift from the traditional Disk-to-Disk-to-Tape (D2D2T) backup model to a faster, more flexible architecture.
In the F2F2X model, data is backed up from the primary Flash storage (Dorado) to the dedicated backup Flash storage (OceanProtect) to ensure rapid backup and recovery. The "X" in F2F2X officially stands for "Anything," representing the final destination for long-term data retention or off-site disaster recovery. In the context of Huawei's pre-sales training and hybrid cloud strategy, Cloud (Option A) is the primary "X" promoted to customers. By replicating backup copies to a public or private cloud (such as Huawei Cloud OBS), organizations can achieve cost-effective, long-term archiving and off-site protection without managing physical tape libraries. While "X" can technically be tape or another disk, the strategic emphasis for the new-gen solutions is the seamless integration with cloud ecosystems.


NEW QUESTION # 60
Which of the following are supported by OceanStor Dorado high-end models? (Select all that apply)

Answer: A,B,D

Explanation:
Huawei OceanStor Dorado high-end models (such as the 18000 series) utilize the SmartMatrix 4.0 architecture to provide industry-leading resilience. Option A is correct because these models can tolerate the failure of an entire controller enclosure (containing 4 controllers) without interrupting services, as the other enclosure in the cluster continues to handle all I/O. Option B is correct because Dorado features a Symmetric Active-Active design where any LUN is not owned by a specific controller; instead, any controller in the cluster can directly access any LUN, eliminating the performance bottleneck caused by traditional ALUA (Asymmetric Logical Unit Access) and ensuring load balancing.
Option C is correct as Huawei employs Smart Disk Enclosures equipped with their own CPU and memory. These enclosures can offload tasks like data reconstruction (RAID rebuilds) from the main controllers, significantly speeding up recovery times and reducing the performance impact on host I/O during a disk failure. Option D is incorrect because OceanStor Dorado is an All-Flash array; it does not support HDDs and therefore does not perform tiering between flash and mechanical media (which is a function of the OceanStor Hybrid Flash series).


NEW QUESTION # 61
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