快速下載H19-308_V4.0新版題庫上線和資格考試中的領導者和優秀的H19-308_V4.0：HCSA-Presales-Storage V4.0

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Huawei H19-308_V4.0 考試大綱：

主題簡介
主題 1
  • 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.
主題 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.
主題 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.
主題 4
  • 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.
主題 5
  • 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.

>> H19-308_V4.0新版題庫上線 <<

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最新的 HCS-Pre-sales H19-308_V4.0 免費考試真題 (Q29-Q34):

問題 #29
What is the maximum number of disks supported by 2200 V3?

答案：D


問題 #30
Which statements are incorrect about remote replication and HyperMetro features of storage systems? (Select all that apply)

答案：B,D

解題說明：
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.


問題 #31
Which of the following statements about cross-site DR are correct? (Choose all that apply.)

答案：A,B,C,D

解題說明：
Global namespace enables any site to access the same object, ensuring unified data access.
Multiple sites can carry services simultaneously, providing fault tolerance at the site level.
Cross-site DR supports distances of up to thousands of kilometers between sites, supporting true geo-redundancy.
Different disaster recovery (DR) types can be configured for different buckets, allowing multi- active, multi-site EC, and remote replication to coexist and meet various SLA requirements.


問題 #32
Which of the following are differences between scale-out storage and array storage? (Select all that apply)

答案：A,B,D

解題說明：
Huawei distinguishes Scale-out Storage (OceanStor Pacific) from traditional Array Storage (Centralized SAN
/NAS) based on its ability to handle the " Yottabyte Era " requirements of mass data.
* Large Volume (Option A): While traditional arrays are limited by the number of controllers and disk enclosures they can address, scale-out storage is designed to aggregate thousands of nodes into a single global namespace, easily managing 10 PB or even EB-level data volumes.
* TB-level Bandwidth (Option C): Distributed storage excels at throughput. By utilizing a high-speed interconnected network (InfiniBand or RoCE) and parallel access protocols like DPC, a scale-out cluster can deliver aggregate bandwidth in the range of TB/s, which is critical for HPC and big data analytics.
* Elastic Scalability (Option D): Traditional arrays typically scale out to a few dozen controllers.
OceanStor Pacific can scale out to 4,096 nodes in a single cluster, providing linear growth in both performance and capacity as nodes are added.
Performance in IOPS (Option B) is not a difference in the sense that both systems provide IOPS; however, centralized all-flash arrays (Dorado) are often superior for low-latency, high-IOPS structured databases, whereas scale-out storage is primarily defined by its massive bandwidth and capacity scalability.


問題 #33
Which of the following statements about SmartTier (intelligent file tiering) are true?

答案：A,B,D


問題 #34
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