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[General] H19-308_V4.0考試指南 & H19-308_V4.0權威考題

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【General】 H19-308_V4.0考試指南 & H19-308_V4.0權威考題

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Huawei H19-308_V4.0 考試大綱：
主題簡介
主題 1
  • 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.
主題 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.
主題 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.
主題 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.
主題 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.
主題 6
  • 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.

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最新的 HCS-Pre-sales H19-308_V4.0 免費考試真題 (Q46-Q51):問題 #46
What are the core benefits (selling points) of Huawei OceanStor Dorado? (Choose all that apply.)
  • A. Intelligent management and prediction provided by DME
  • B. Fastest I/O processing in the industry
  • C. Unified SAN and NAS in native format
  • D. Most reliable architecture in the industry
答案：A,B,C,D
解題說明：
Huawei OceanStor Dorado offers all these core benefits: industry-leading reliability, the fastest I/O processing, unified SAN and NAS support in native format, and intelligent management with predictive capabilities provided by DME (Data Management Engine). These features make it a top-performing and versatile enterprise storage solution.

問題 #47
The OceanStor 2200 V3 does not support scale-out.
  • A. FALSE
  • B. TRUE
答案：B

問題 #48
Which network protocols are supported by SAN storage? (Select all that apply)
  • A. InfiniBand
  • B. NFS
  • C. iSCSI
  • D. Fibre Channel
答案：A,C,D
解題說明：
A Storage Area Network (SAN) is a dedicated network for block-level data access. Huawei OceanStor systems support a variety of block-access protocols to ensure compatibility with different infrastructure environments. Fibre Channel (FC) is the industry standard for high-performance enterprise SANs, offering dedicated, low-latency, and lossless delivery. iSCSI provides block-level storage over standard TCP/IP Ethernet networks, making it a flexible and cost-effective alternative for many organizations.
InfiniBand (Option B) is a high-bandwidth, low-latency interconnect protocol often used in High-Performance Computing (HPC) and specialized SAN clusters to connect compute nodes to storage pools at extremely high speeds. NFS (Option D) is excluded from this answer because it is a NAS (Network Attached Storage) protocol. NFS (Network File System) provides file-level access rather than block-level access. While modern Huawei systems like the OceanStor Dorado series are "Unified Storage" (supporting both SAN and NAS on the same hardware), technically, only A, B, and C are considered SAN protocols.

問題 #49
OceanProtect supports both all-flash and hybrid flash forms. In hybrid flash form, which of the following features can OceanProtect use to improve system recovery performance?
  • A. Remote replication
  • B. Secure snapshot
  • C. Adaptive data locality rearrangement on writes
  • D. Media deduplication and compression
答案：C
解題說明：
In hybrid flash form, OceanProtect uses adaptive data locality rearrangement on writes to improve system recovery performance. This feature optimizes data placement between flash and non-flash storage, enhancing access speed during recovery by ensuring that frequently accessed or critical data is stored on faster storage media.

問題 #50
When two OceanStor Dorado 18000 controller enclosures are used, data access is not affected even if multiple controllers are faulty. Which of the following can be tolerated by OceanStor Dorado 18000? (Choose all that apply.)
  • A. Simultaneous failure of two controllers
  • B. Failure of one controller
  • C. Failure of one controller enclosure
  • D. Failure of seven controllers
答案：A,B,C
解題說明：
OceanStor Dorado 18000 is designed with high fault tolerance, allowing it to continue data access in the event of multiple failures. It can tolerate the simultaneous failure of two controllers.
If one controller enclosure fails, the other enclosure can continue to provide access. A single controller failure is manageable due to redundancy within the system.

問題 #51
......
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