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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
  • 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 3
  • 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 4
  • 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 5
  • 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 6
  • 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.
Topic 7
  • 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 8
  • 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.

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Huawei HCSA-Presales-Storage V4.0 Sample Questions (Q57-Q62):

NEW QUESTION # 57
Dorado V3 supports SAN and NAS

Answer: B


NEW QUESTION # 58
Which types of disk storage pools are supported by the new-gen OceanStor hybrid flash storage?

Answer: A,B,C

Explanation:
The new-generation OceanStor hybrid flash storage supports multiple disk storage pool types to meet different performance and capacity requirements. An SSD pool is used when applications require high IOPS and low latency. An HDD pool is used for capacity-oriented workloads where cost per terabyte is more important than flash-level performance. A mixed SSD + NL-SAS HDD pool is also supported for hybrid scenarios, allowing hot data to benefit from flash performance while colder data is stored on high-capacity NL-SAS disks. This aligns with the hybrid flash design goal: balance cost, performance, and capacity through tiered media. By supporting these pool types, OceanStor hybrid flash storage can serve both performance-sensitive and capacity-heavy enterprise workloads. Therefore, all listed options are correct.


NEW QUESTION # 59
Space in a NAS storage device may be allocated to multiple departments. Which of the following NAS features can be used to avoid mutual interference, ensure data security, and simplify management?

Answer: C

Explanation:
The multi-tenant feature in NAS storage allows space to be allocated to multiple departments while isolating them from each other. This avoids mutual interference, ensures data security, and simplifies management by enabling each department to have its own dedicated storage environment within the same NAS system.


NEW QUESTION # 60
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: B

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 # 61
SmartQoS allows preferential response to high-priority services. (True or False?)

Answer: A


NEW QUESTION # 62
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