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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCSA-Presales-Storage V4.0 |
| Exam Number: | H19-308_V4.0 |
| Available Languages: | English |
| Related Certifications: | HCSA-Presales-Storage |
| Certificate Validity Period: | N/A |
| Passing Score: | 600/1000 |
| Exam Format: | Single-choice, Multiple-choice, True/False |
| Exam Price: | 100 USD |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60 |
| Sample Questions: | Huawei H19-308_V4.0 Sample Questions |
| Exam Way: | Written examination |
| Pre Condition: | None specified |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/cert/overview?certCode=HCSA-Presales-Storage |
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NEW QUESTION # 57
Dorado V3 implements snapshot based on______
Answer: D
NEW QUESTION # 58
What are the highlights of OceanStor Dorado?
Answer: A,B,C,D
Explanation:
OceanStor Dorado is Huawei's all-flash storage platform positioned around performance, reliability, scenario coverage, and intelligent operations. Option A reflects the performance highlight: Dorado is designed for extremely high IOPS and ultra-low latency, making it suitable for databases, virtualization, core banking, and latency-sensitive enterprise workloads. Option B is also valid because Dorado covers both SAN and NAS scenarios and is positioned as a leading all-flash storage system across industries. Option C is correct because Dorado's high-end SmartMatrix architecture and HyperMetro capabilities provide strong resilience, including controller-level fault tolerance for mission- critical services. Option D is correct because Huawei emphasizes intelligent O & M through cloud- based analytics, proactive risk identification, and simplified management. Together, these highlights describe Dorado's value proposition: fast, reliable, broadly applicable, and intelligently managed.
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: D
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
In safe city video storage scenarios, if a customer needs to deploy 10,000 cameras, which of the following Huawei storage products is recommended?
Answer: D
Explanation:
For " Safe City " projects involving massive video surveillance (such as 10,000+ camera streams), Huawei recommends the OceanStor Pacific series (distributed storage). Large-scale video surveillance generates immense volumes of unstructured data that must be written continuously and stored for long periods. A traditional centralized NAS or SAN often faces performance bottlenecks at the controller level when handling thousands of concurrent high-definition video streams.
OceanStor Pacific uses a scale-out architecture that allows performance and capacity to scale linearly. For
10,000 cameras, the system can aggregate the bandwidth of dozens or hundreds of nodes, providing the high throughput required for video ingestion and the massive capacity required for long-term retention.
Additionally, OceanStor Pacific supports high-ratio Erasure Coding (EC), which provides better disk utilization (up to 91%) than traditional RAID, significantly reducing the Total Cost of Ownership (TCO) for petabyte-scale surveillance archives.
NEW QUESTION # 61
An HDFS cluster consists of a name node, data nodes, and clients. The name node is responsible for data storage.
Answer: B
Explanation:
The statement is false because the NameNode in an HDFS architecture is not responsible for storing actual user data. HDFS consists mainly of a NameNode, multiple DataNodes, and clients. The NameNode manages the file system namespace, metadata, directory structure, file permissions, and block mapping information. It knows which DataNodes hold the blocks of each file, but it does not store the file data itself. The DataNodes are responsible for storing actual data blocks and handling read
/write requests from clients under the coordination of the NameNode. In Huawei distributed storage scenarios, this distinction is important because metadata management and data storage are separated to improve scalability and reliability. Therefore, saying that the NameNode is responsible for data storage is incorrect.
NEW QUESTION # 62
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