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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
Available Languages:English
Passing Score:600/1000
Exam Duration:90 minutes
Exam Format:Multiple-choice, Single-choice, True/False
Related Certifications:HCSA-Presales-Storage
Certificate Validity Period:N/A
Exam Price:100 USD
Real Exam Qty:60
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
  • 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
  • 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
  • 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
  • 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.

Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q40-Q45):

NEW QUESTION # 40
What feature should the storage system have to set up a disaster recovery (DR) center?

Answer: D


NEW QUESTION # 41
When user A modifies a file in the NAS system, which of the following operations can user B perform on the file?

Answer: A,B,C,D

Explanation:
In a NAS system, if user permissions allow, user B can perform file renaming, reading, deletion, and modification operations on a file modified by user A. Access depends on the configured permissions for each user.


NEW QUESTION # 42
RAID 0 is actually a mirroring technology.

Answer: A

Explanation:
This statement is false because RAID 0 and Mirroring (RAID 1) are fundamentally different concepts in Huawei storage technology. As defined in the Huawei technical manual, RAID 0 is " Striping. " It breaks data into chunks and spreads them across multiple disks to increase performance. It has no redundancy.
" Mirroring " is the terminology specifically used for RAID 1. In a RAID 1 configuration, the system writes the exact same data to two separate physical disks simultaneously. This creates a 100% redundant copy (a mirror). If one disk fails, the other continues to provide data, ensuring zero downtime and no data loss.
Huawei ' s RAID 2.0+ virtualization technology can implement striping and mirroring across different " chunks " or " extents " within a storage pool, but it maintains the technical distinction: RAID 0 is for performance through striping, while mirroring is for reliability through duplication. Therefore, characterizing RAID 0 as a mirroring technology is a technical inaccuracy.


NEW QUESTION # 43
SSDs+NL-SAS HDDs are recommended for the new-gen OceanStor hybrid flash storage. No SAS HDDs are required.

Answer: A

Explanation:
The recommended configuration for new-generation OceanStor hybrid flash storage combines SSDs and NL-SAS HDDs for optimal performance and capacity. SAS HDDs are not required in this recommended setup.


NEW QUESTION # 44
Files in the WORM (Write Once, Read Many) state can be read but cannot be modified.

Answer: A

Explanation:
Huawei's HyperLock feature provides WORM (Write Once, Read Many) functionality for NAS file systems. When a file is placed in the WORM state, the storage system strictly enforces a policy where the file's data can be accessed and read by authorized users, but any attempt to modify, overwrite, or delete the file is blocked by the storage controller.
In the Huawei OceanStor system, a file enters the WORM state after it is "locked." Once locked, the file remains in a read-only state for a defined retention period. During this time, not even an administrator can modify the file's content or reduce its protection duration. This is critical for meeting regulatory compliance (such as SEC Rule 17a-4) and for protecting sensitive data against ransomware, as it ensures that once data is archived, it remains immutable and verifiable. Only after the retention period has expired can the file be deleted, though it can still never be modified.


NEW QUESTION # 45
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