[May 05, 2026] Get to the Top with H13-624_V5.5 Practice Exam Questions
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NEW QUESTION # 68
Regarding the description of the data protection function of the Huawei Oceanstor 9000 system, which of the following options is incorrect?
- A. When the protection level is N+1, the minimum number of nodes required by the cluster is 3
- B. Oceanstor 9000 realizes data recovery through ErasureCode
N+M redundant storage - C. After enabling physical domain partitioning, the hard disk or node in a single domain fails, Will lead to degradation or failure of data reliability in other domains
- D. Oceanstor 9000 realizes redundant storage of metadata through mirroring
Answer: C
NEW QUESTION # 69
The following statements about Thin lun and multi-select Thick LUN of Huawei Oceanstor storage are wrong:
- A. Both ThickLUN and Thin LUN can be greater than or equal to the available capacity of the storage pool where they are located
- B. Both Thick LUN and Thin LUN need to be configured with initial capacity
- C. Both Thick Lun and Thin LUN can be created in batches
- D. Both Thick LUN and Thin LUN can be configured in the same storage pool
Answer: A,B
NEW QUESTION # 70
Cache policies and configurations are involved in storage-layer performance optimization of Huawei flash storage. Which of the following statements is false about the high and low watermarks of a cache?
- A. If the high watermark of the cache is too high, I/O fluctuation and latency increase will occur usually when the current I/O traffic bursts.
- B. Generally, the high watermark of the cache should not be too high, and the difference between the high and low watermarks should not be too small.
- C. Generally, the low watermark for storing dirty data in the cache should not be too low. The recommended value is 20%.
- D. If the high watermark of the cache is too high, the write performance will be affected. If the low watermark of the cache is too low, the read performance will be affected.
Answer: D
Explanation:
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.
Reference:
HCIP-Storage V5.5 Training Material, Module 5: Storage System Maintenance and Troubleshooting, Section 5.15: Cache Management and Optimization*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 71
In the Huawei Oceanstor 9000 system, a file pool refers to a collection of files that meet certain characteristics. The file pool policy defines The rules of how the file pool is stored in the node pool.
- A. False
- B. True
Answer: B
NEW QUESTION # 72
When delivering a Huawei OceanStor Pacific storage project, a Huawei engineer vigorously promoted the SmartEncryption feature of scale-out storage to customers. Which of the following statements is false about this feature?
- A. When the data is read using the DPC or NFS protocol, the SED obtains the identity authentication key from the key management server, reads and decrypts the ciphertext data, and then returns the plaintext data to the protocol layer. The protocol layer returns the plaintext data to client applications.
- B. The file service client can write plaintext data through the NFS/CIFS/DPC protocol.
- C. This feature supports encrypted data write using NFS, CIFS, HDFS, or S3. Data is decrypted and read using NFS, CIFS, HDFS, or S3.
- D. Huawei OceanStor Pacific series scale-out storage supports disk encryption. All data delivered by services is stored on self-encrypting disks (SEDs).
Answer: B
Explanation:
The SmartEncryption feature in Huawei OceanStor Pacific ensures data security. The *HCIP-Storage V5.5 Training Material (Module 3: Scale-Out Storage Technologies)* explains:
- Option A: True. "For DPC or NFS reads, self-encrypting disks (SEDs) retrieve authentication keys from the key management server, decrypt ciphertext, and return plaintext to the protocol layer."
- Option B: True. "SmartEncryption supports encrypted writes and decrypted reads via NFS, CIFS, HDFS, and S3 protocols."
- Option C: False. "SmartEncryption encrypts data at the storage layer. Clients using NFS, CIFS, or DPC write data that is automatically encrypted by the system before storage, not written as plaintext."
- Option D: True. "OceanStor Pacific uses SEDs for disk-level encryption, ensuring all service data is encrypted." Thus, option C is false.
Reference:
HCIP-Storage V5.5 Training Material, Module 3: Scale-Out Storage Technologies, Section 3.10: SmartEncryption and Data Security*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 73
The OceanStor backup solution architecture includes three parts: the central site, branch sites, and remote backup sites.
Only the backup system can be deployed at the backup site, not the production system.
- A. False
- B. True
Answer: A
NEW QUESTION # 74
Regarding deduplication on the target side, which option is incorrect in the following description?
- A. Target end deduplication is equivalent to post-processing deduplication (Post-processig).
- B. Can not save transmission bandwidth.
- C. Do not occupy the resources of the source.
- D. The data block is transferred from the source end to the target end, and the deduplication operation is performed on the target end.
Answer: A
NEW QUESTION # 75
As a next-generation storage system, Huawei OceanStor Dorado series can focus on core enterprise services and meet enterprises' service requirements. Which of the following statements are false about Huawei OceanStor Dorado series storage systems?
- A. OceanStor Dorado 18000 supports a maximum of 28 interface modules and implements intra-engine mirroring and cross-engine interconnection through the 100 Gbit/s RDMA network.
- B. The back-end shared interface module of OceanStor Dorado 18000 is inserted into the enclosure. The disk enclosure connected to the interface module can be accessed by controllers in the engine at the same time.
- C. Dorado V6 series and new converged storage products use the PCIe Scale-Out architecture.
- D. OceanStor Dorado 18000 uses 200 Gbit/s RDMA shared interface modules for cross-engine expansion, implementing full interconnection between 8, 12, and 16 controllers.
Answer: D
NEW QUESTION # 76
Which of the following storage nodes will configure an SSD as a read cache by default: (multiple choice)
- A. P12
- B. P25
- C. C36
- D. C72
Answer: A,B
NEW QUESTION # 77
During routine inspection, engineers find that several faults occur on Huawei all-flash storage and need to rectify the faults. Which of the following is not a basic troubleshooting principle for storage systems?
- A. Analyze network alarms before NE alarms.
- B. Analyze external factors before internal factors.
- C. Analyze alarms of higher severities before those of lower severities.
- D. Analyze general alarms before specific alarms.
Answer: D
Explanation:
The *HCIP-Storage V5.5 Training Material (Module 5: Storage System Maintenance and Troubleshooting)* outlines troubleshooting principles: "Basic troubleshooting principles include prioritizing high-severity alarms, analyzing external factors (e.g., network or host issues) before internal storage issues, and addressing network alarms before network element (NE) alarms to rule out connectivity issues." Let's evaluate:
- Option A: Correct principle. Network alarms are analyzed first to exclude external connectivity issues.
- Option B: Not a principle. The material does not prioritize general alarms over specific ones; it focuses on severity and context.
- Option C: Correct principle. Higher-severity alarms are addressed first to mitigate critical issues.
- Option D: Correct principle. External factors are checked before internal storage issues.
Thus, option B is not a basic troubleshooting principle.
Reference:
HCIP-Storage V5.5 Training Material, Module 5: Storage System Maintenance and Troubleshooting, Section 5.21: Troubleshooting Principles*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 78
In Huawei all-flash storage, the SmartDedupe and SmartCompression features reduce redundant data space consumption and improve the transmission and storage efficiency of a storage system. Which of the following statements about the features is false?
- A. During inline deduplication, the system divides data into blocks and then calculates fingerprints for the blocks.
- B. Backup storage supports deduplication and compression of file systems.
- C. During similarity-based deduplication in the background, the system does not divide data into blocks and can directly calculate similar fingerprints.
- D. Post-process compression means that data is first written to storage media and then read for compression.
Answer: C
Explanation:
SmartDedupe and SmartCompression are data reduction technologies in Huawei all-flash storage systems, such as OceanStor Dorado. The *HCIP-Storage V5.5 Training Material (Module 2: Flash Storage Technologies)* provides details:
- Option A: True. The material states: "Post-process compression involves writing data to storage media first, then reading it back for compression during idle periods."
- Option B: True. The material confirms: "Inline deduplication divides data into blocks and calculates fingerprints to identify duplicates before writing."
- Option C: False. The material clarifies: "Similarity-based deduplication, whether inline or background, requires dividing data into blocks to calculate fingerprints for similarity detection. Direct calculation without block division is not supported." This makes the statement incorrect.
- Option D: True. The material notes: "Backup storage supports deduplication and compression for file systems to optimize space usage." Thus, option C is false.
Reference:
HCIP-Storage V5.5 Training Material, Module 2: Flash Storage Technologies, Section 2.9: SmartDedupe and SmartCompression Technologies*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 79
The block service provides a linked clone mechanism and supports the creation of multiple snapshots based on a cloned volume. Each snapshot volume has just been created The data content at the time of arrival is consistent with the data content in the clone volume, and subsequent modifications to the clone volume will not affect the original snapshot and other clones roll.
- A. False
- B. True
Answer: B
NEW QUESTION # 80
Which of the following options are hardware faults ()
- A. BBU failure
- B. Power failure
- C. Expansion module failure
- D. The disk enclosure is faulty
Answer: A,B,C,D
NEW QUESTION # 81
In the 0ceanstor 9000 system, a node pool refers to a collection of nodes with the same characteristics (physical type/access specific energy).
Dynamic hierarchical storage allows the physical nodes in the same file system to be divided into different node pools.
- A. False
- B. True
Answer: B
NEW QUESTION # 82
During routine management of Huawei flash storage, an engineer can use the "show license_active" command to query information about activated licenses.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 83
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