Free Huawei H13-624_V5.5 Practice Exam with Questions & Answers

Huawei’s official OceanProtect functional architecture describes the Data enablement engine as providing global search and data anonymization functions, which matches option D.

Option A is incorrect because ProtectManager is the management module , while backup, restore, replication, archive, and copy mount belong to the data protection layer/data flow functions , not ProtectManager.

Option B is incorrect because file system management and protocol access are provided by the basic storage service/basic storage layer , not the data protection layer.

Option C is incorrect because OceanProtect Appliance supports protecting application data through its protection ecosystem, but the statement “without backup agents” is not the functional-architecture definition that matches this question. The architecture item explicitly matched in Huawei material is the DataEnable Engine description in option D

The question focuses on the client access modes supported by Huawei OceanStor Pacific series storage systems, particularly for parallel access scenarios. The *HCIP-Storage V5.5 Training Material (Module 3: Scale-Out Storage Technologies)* explains: “The OceanStor Pacific series supports the NFS (Network File System) client access mode, which enables a single client to connect to multiple storage nodes for parallel data access. This mode is optimized for high-performance computing (HPC) workloads and supports MPI-I/O (Message Passing Interface Input/Output) for distributed applications.” NFS allows clients to access file systems across multiple nodes, facilitating scalable and parallel I/O operations, which aligns with the question’s description. The acronym “NFS” is the correct answer.

Cache watermarks in Huawei flash storage systems manage dirty data flushing. The *HCIP-Storage V5.5 Training Material (Module 5: Storage System Maintenance and Troubleshooting)* explains:

- Option A: True. “The low watermark for dirty data should be around 20% to ensure sufficient buffer space.”

- Option B: True. “The high watermark should not be too high, and the gap between high and low watermarks should be sufficient to avoid frequent flushing.”

- Option C: True. “A high watermark that is too high causes I/O fluctuations and increased latency during traffic bursts.”

- Option D: False. “High watermarks affect write performance by delaying flushes, but low watermarks do not directly impact read performance, which depends on prefetch and cache hit ratios.”

Thus, option D is false.

This question tests knowledge of the Huawei OceanStor Dorado series architecture, as covered in the *HCIP-Storage V5.5 Training Material (Module 2: Flash Storage Technologies)*. Let’s evaluate each option:

- Option A: True. The material confirms: “The back-end shared interface module of OceanStor Dorado 18000 is inserted into the enclosure, allowing simultaneous access to disk enclosures by all controllers in the engine.”

- Option B: True. The material states: “Dorado V6 series and converged storage products adopt the PCIe Scale-Out architecture for high-performance interconnects.”

- Option C: False. The material specifies: “OceanStor Dorado 18000 uses 100 Gbit/s RDMA shared interface modules for cross-engine expansion, supporting full interconnection between 8, 12, and 16 controllers.” The claim of 200 Gbit/s RDMA is incorrect, as 100 Gbit/s is the standard for Dorado 18000.

- Option D: True. The material notes: “OceanStor Dorado 18000 supports up to 28 interface modules and uses a 100 Gbit/s RDMA network for intra-engine mirroring and cross-engine interconnection.”

Thus, option C is false due to the incorrect RDMA speed.

Configuring file services in Huawei scale-out storage systems, such as OceanStor Pacific, involves specific steps for standard protocols like NFS or CIFS. The *HCIP-Storage V5.5 Training Material (Module 4: Storage Design and Implementation)* states: “To configure file services, the engineer must create a converged storage pool to allocate resources, create namespaces for organizing file systems, and enable file services on the relevant nodes. The Distributed Parallel Client (DPC) is optional and used for high-performance parallel file access, not a requirement for standard protocol scenarios.” Let’s evaluate:

- Option A: Not required. DPC is not mandatory for standard file service protocols.

- Option B: Required. A converged storage pool is needed to provide storage capacity.

- Option C: Required. Namespaces organize file service resources.

- Option D: Required. Enabling file services on nodes activates the protocols.

Thus, option A is the action not needed.

The *HCIP-Storage V5.5 Training Material (Module 5: Storage System Maintenance and Troubleshooting)* describes DME IQ: “DME IQ is a cloud-based management service that supports uploading performance logs and Disk Health Analysis (DHA) logs from Huawei flash storage. DHA logs include routine disk run data, such as health status and I/O statistics, used for predictive maintenance.” This confirms the statement is true.