H13-624_V5.5 Exam Questions & Answers
HCIP-Storage V5.5 • Huawei
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Sample H13-624_V5.5 Questions
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During routine management of Huawei flash storage, an engineer can use the "show license_active" command to query information about activated licenses.
The *HCIP-Storage V5.5 Training Material (Module 5: Storage System Maintenance and Troubleshooting)* confirms: ''The CLI command 'show license_active' is used to query details of activated licenses on Huawei flash storage systems, including license status and features enabled.'' This makes the statement true, as the command is a standard tool for license management.
HCIP-Storage V5.5 Training Material, Module 5: Storage System Maintenance and Troubleshooting, Section 5.22: License Management*, Huawei Technologies Co., Ltd.
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When learning the SmartVirtualization feature of Huawei flash storage, a new employee is not familiar with eDevLUNs and external LUNs. Which of the following statements are true about the eDevLUNs and external LUNs?
Option B is correct.Huawei documentation on SmartVirtualization explains that when no value-added feature is configured for an eDevLUN, the local storage system only needs to consume a small amount of space, mainly for metadata management. Therefore, each eDevLUN occupies only a small amount of space in the local storage pool.
Option C is also correct.Huawei states that eDevLUNs are created based on storage pools on the local storage system. This means eDevLUNs belong to storage pools created locally, even though the actual external capacity comes from the heterogeneous storage.
Option A is incorrectbecause it reverses the roles of the two storage systems. In SmartVirtualization, theactual dataresides on theexternal/heterogeneous storage system, while thelocal storage systemmainly storesmetadataand provides management for value-added services. The option states the opposite, so it is false.
Option D is incorrectbecause Huawei requires the external LUN to be in a normal state before an eDevLUN can be created. If the external LUN is abnormal, the eDevLUN creation condition is not met. Therefore, eDevLUNs cannot be created regardless of external LUN status.
A government customer has purchased two Huawei flash storage devices and deployed them in different data centers for running remote replication services. When a primary/secondary switchover is performed for the remote replication pair, the primary and secondary sites record the data changes. When the secondary site becomes the primary site following the primary/secondary switchover, all data will be synchronized between the primary and secondary sites.
This question addresses the behavior of remote replication during a primary/secondary switchover in Huawei flash storage systems, such as OceanStor Dorado. The *HCIP-Storage V5.5 Training Material (Module 4: Storage Design and Implementation)* explains: ''During a primary/secondary switchover in remote replication, the secondary site becomes the primary site and starts accepting write I/Os. The original primary site, if available, becomes the secondary site. Data changes are tracked incrementally, but full synchronization does not occur automatically after the switchover unless explicitly configured or triggered by a fault recovery process.'' The question's statement that ''all data will be synchronized'' implies an automatic full synchronization, which is not the default behavior. Instead, only incremental changes are synchronized when replication resumes, making the statement false.
HCIP-Storage V5.5 Training Material, Module 4: Storage Design and Implementation, Section 4.3: Remote Replication and Switchover Mechanisms*, Huawei Technologies Co., Ltd.
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Which of the following statements are false about direct TCP offload engine (DTOE) 1.0?
The Direct TCP Offload Engine (DTOE) 1.0 is a performance optimization feature in Huawei flash storage systems. The *HCIP-Storage V5.5 Training Material (Module 2: Flash Storage Technologies)* explains: ''DTOE 1.0 offloads TCP processing from the CPU to dedicated hardware, reducing CPU resource consumption and latency. It operates in user mode to manage hardware queues, avoiding context switching overhead, and uses polling mode to minimize interrupt latency. Unlike traditional TCP processing, DTOE eliminates kernel mode interrupts, locks, system calls, and thread switching.'' Let's evaluate:
- Option A: False. DTOE offloads MAC frame processing to hardware, not the CPU, reducing CPU resource usage.
- Option B: True. The material confirms that DTOE operates in user mode, avoiding context switching.
- Option C: True. Polling mode is used to reduce latency, as stated in the material.
- Option D: False. DTOE eliminates kernel mode overheads like interrupts and system calls, contrary to the statement.
Thus, options A and D are false.
HCIP-Storage V5.5 Training Material, Module 2: Flash Storage Technologies, Section 2.7: Network Optimization with DTOE*, Huawei Technologies Co., Ltd.
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A faulty storage hardware module needs to be replaced. Which of the following components can be replaced online?
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