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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
Available Languages:English, Chinese
Related Certifications:HCSA
HCIA
HCIP
Exam Format:True/False, Single choice, Multiple choice
Exam Duration:90 minutes
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
  • 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 2
  • 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 3
  • 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 4
  • 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 5
  • 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 6
  • 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 7
  • 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 (Q59-Q64):

NEW QUESTION # 59
What are the reliability features of OceanProtect backup storage? (Choose all that apply.)

Answer: B,C

Explanation:
Active-active controllers provide redundancy and high availability by allowing continuous operation even if one controller fails.
RAID-TP (Triple Parity RAID) adds another layer of data protection by enabling the system to tolerate up to three simultaneous disk failures within a RAID group, ensuring data safety.


NEW QUESTION # 60
Which statements are incorrect about remote replication and HyperMetro features of storage systems? (Select all that apply)

Answer: A,D

Explanation:
According to Huawei's BCManager and HyperReplication guides, "incorrect" statements must be identified to understand the distinction between disaster recovery (DR) and active-active solutions. Option B is incorrect because while HyperMetro supports automatic transparent failover (zero RTO) using a Quorum Server, standard synchronous remote replication typically requires manual intervention or third-party management software to trigger a switchover when the primary site fails. In synchronous replication, the secondary LUN is usually in a read-only state and cannot take over automatically without administrative action.
Option D is incorrect because it describes an "Active-Active" state. In a standard Remote Replication pair, only the primary LUN is accessible for host I/O (Read/Write), while the secondary LUN is locked to maintain data consistency. Only the HyperMetro feature allows both LUNs in the pair to provide simultaneous read and write services to application servers across different sites. Regarding distance, while asynchronous replication is physically less constrained, synchronous and HyperMetro technologies are strictly limited by latency (typically requiring round-trip time <10ms and distance within 100km to 300km depending on the specific product line) to avoid severe application performance degradation.


NEW QUESTION # 61
Which are advantages of SAN?

Answer: A,B,C,D


NEW QUESTION # 62
In NAS multi-protocol access, the permission settings for Windows are the same as those for Linux.

Answer: A

Explanation:
In NAS multi-protocol access, Windows and Linux permission settings differ. Windows typically uses NTFS permissions, while Linux uses POSIX permissions. When both systems access the same NAS files, the storage system must translate permissions between these formats, but the settings themselves are not the same.


NEW QUESTION # 63
The recovery time objective (RTO) in a DR system refers to the time to which the system and data must be recovered after a disaster occurs.

Answer: A

Explanation:
This statement is false because it confuses RTO (Recovery Time Objective) with RPO (Recovery Point Objective). In Huawei's Disaster Recovery (DR) documentation, these two metrics are defined as follows:
RPO (Recovery Point Objective): Refers to the maximum amount of data loss an organization can tolerate, measured in time. It indicates the "point in time" to which data must be recovered (e.g., "we can only lose 1 hour of data").
RTO (Recovery Time Objective): Refers to the duration of time within which a business process must be restored after a disaster. It measures how long the system can be down before the business is significantly impacted (e.g., "the system must be back online within 4 hours").
The question describes the "point in time" (RPO) but labels it as RTO. In a high-availability solution like HyperMetro, the RTO and RPO are both theoretically zero, meaning no data loss and no downtime.


NEW QUESTION # 64
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