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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCSA-Presales-Storage V4.0 |
| Exam Number: | H19-308_V4.0 |
| Real Exam Qty: | 60 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Exam Price: | 100 USD |
| Exam Format: | Multiple-choice, Single-choice |
| Passing Score: | 600/1000 |
| Available Languages: | English |
| Related Certifications: | HCIP-Presales-Storage HCIE-Presales-Storage |
| Recommended Training: | Huawei Official Training Course |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Huawei H19-308_V4.0 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended to have basic knowledge of storage technologies and Huawei storage products |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification/exam/h19-308_v4-0 |
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NEW QUESTION # 53
The Dorado V3 supports post-process compression. Data can be compressed after it is written into an SSD.
Answer: A
NEW QUESTION # 54
Source deduplication reduces the amount of data to be transmitted, saves network bandwidth, and transmits non-duplicate data, improving logical backup bandwidth and shortening backup time.
Answer: A
Explanation:
Huawei OceanProtect utilizes source deduplication to optimize the data protection process. In traditional backup scenarios, the entire dataset is sent over the network to the backup target, which can consume significant bandwidth and time. With source deduplication, the storage system or backup agent identifies redundant data blocks at the source-before they are sent over the network.
By comparing new data chunks against a local cache of already-transmitted fingerprints, the system ensures that only unique, non-duplicate data is physically moved across the production-to-backup link. This significantly reduces network bandwidth consumption and effectively increases the logical backup bandwidth, as the system can process larger volumes of data without being limited by physical network throughput. Consequently, the backup window is shortened, allowing organizations to meet tight RPOs even in environments with limited network resources or massive data growth.
NEW QUESTION # 55
Which of the following is NOT a capability of Huawei OceanStor Pacific scale-out storage that ensures always-on services?
Answer: D
Explanation:
Huawei OceanStor Pacific is a distributed scale-out storage system optimized for mass unstructured data (File, Object, HDFS). While it provides robust "always-on" service capabilities, Option A is incorrect as it refers to a specific feature of centralized unified storage arrays like the OceanStor Dorado series. OceanStor Dorado is marketed as providing the industry's only "Active-active solution for SAN and NAS" within a centralized architecture.
In contrast, OceanStor Pacific ensures service continuity through distributed mechanisms:
Fast Failover (Option B): Technologies such as multi-module concurrent service takeover enable services on a faulty node to be taken over within 10 seconds, minimizing RTO.
HyperGeoMetro (Option C): This feature provides multi-replica cross-site active-active protection for object storage, allowing data to be accessed and modified at multiple sites simultaneously.
HyperGeoEC (Option D): This is a cross-site Erasure Coding (EC) multi-active solution that provides high reliability and space utilization for large-scale deployments.
Because OceanStor Pacific is designed for distributed unstructured workloads rather than integrated SAN/NAS block-and-file convergence in the traditional sense, Option A is the outlier.
NEW QUESTION # 56
Flash-to-flash-to-anything (F2F2X) allows primary storage service data and core service backup data to be stored in flash storage and allows data to be tiered and archived to any media.
Answer: A
Explanation:
The statement is true. Flash-to-flash-to-anything, or F2F2X, describes Huawei's modern data protection approach in which both production data and important backup data can be kept on flash- based storage for high performance, while older or colder data can be tiered or archived to other media. The first "flash" represents high-performance primary storage for business applications. The second "flash" represents fast backup storage, which improves backup and recovery speed compared with traditional disk or tape-only designs. The "anything" part means that data can later be moved to other storage targets such as disk, tape, cloud, or object storage according to cost, retention, and compliance requirements. This model balances fast recovery for critical data with economical long- term retention.
NEW QUESTION # 57
What conditions must be met so that OceanStor F V5 series and V5 series can migrate data from heterogeneous third-party storage devices without interrupting services? (Multiple Choice)
Answer: A,B,C
NEW QUESTION # 58
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