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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Backup and Disaster Recovery | 10% | - Main conceptions and technologies |
| Topic 2: Data Storage Basis | 8% | - Storage basis: basis of disks and data protection |
| Topic 3: NAS Storage Basis | 12% | - Protocols, file system and main NAS technologies |
| Topic 4: OceanStor Pacific | 10% | - Highlights of Huawei OceanStor Pacific scale-out storage |
| Topic 5: OceanProtect Backup Storage | 10% | - Highlights of Huawei OceanProtect backup storage |
| Topic 6: Object Storage Basis | 10% | - Protocols and main object features |
| Topic 7: OceanStor Dorado | 15% | - Highlights of Huawei OceanStor Dorado all flash storage |
| Topic 8: OceanStor New Hybrid Flash Storage | 8% | - Highlights of Huawei OceanStor hybrid flash storage |
| Topic 9: SAN Storage Basis | 17% | - Networking, protocols and main SAN technologies |
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NEW QUESTION # 17
SmartTier for file systems is a tiering feature.
What is the migration granularity?
Answer: C
NEW QUESTION # 18
Which of the following are features of OceanStor Pacific HPDA solution? (Choose all that apply.)
Answer: A,B,C,D
Explanation:
The OceanStor Pacific HPDA solution features lossless multi-protocol interworking, interconnection with diversified computing power, the ability to meet both HPC and AI service flow requirements with one storage system, and support for multiple performance models concurrently. These features deliver flexibility, high performance, and broad applicability for complex data and computing environments.
NEW QUESTION # 19
2600 V3 supports hot-swappable 12G SAS interface module
Answer: A
NEW QUESTION # 20
Which statements are incorrect about remote replication and HyperMetro features of storage systems? (Select all that apply)
Answer: C,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 # 21
Compared with HDDs, SSDs have high I/O performance and low latency.
Answer: A
Explanation:
According to Huawei's technical documentation on storage media, Solid State Drives (SSDs) fundamentally differ from Hard Disk Drives (HDDs) in their physical construction and data access methods. HDDs rely on mechanical components, including rotating platters and moving read/write heads. This mechanical nature introduces "rotational latency" and "seek time," which inherently limit the number of Input/Output Operations Per Second (IOPS).
In contrast, Huawei's OceanStor SSDs utilize flash memory chips (NAND Flash) and a high-performance controller. Because there are no moving parts, the "seek time" is eliminated, allowing for near-instantaneous data access. This results in significantly higher random IOPS and much lower latency (often measured in microseconds rather than milliseconds). Furthermore, Huawei's FlashLink technology further optimizes the collaboration between the storage controller and the SSDs, ensuring that even as the drive fills up, the performance remains consistent and the latency remains low. Therefore, in any performance-oriented storage environment, SSDs are the preferred choice over traditional HDDs.
NEW QUESTION # 22
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