Prepare H13-624_V5.5 Question Answers - H13-624_V5.5 Exam Dumps
Real Huawei H13-624_V5.5 Exam Questions [Updated 2026]
NEW QUESTION # 22
Which of the following statements are false about direct TCP offload engine (DTOE) 1.0?
- A. This technology uses the polling mode, reducing the latency.
- B. This technology requires CPU to process each MAC frame, which will consume a large number of CPU resources.
- C. This technology allows to directly operate the hardware queue in the user mode, avoiding the context switching overhead.
- D. High latency overhead still exists using the technology, such as kernel mode interrupts, locks, system calls, and thread switching.
Answer: B,D
Explanation:
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.
Reference:
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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NEW QUESTION # 23
A financial customer has purchased several Huawei OceanStor Dorado series storage devices for mission-critical service deployment. SmartMigration is configured to migrate services from a source LUN to a target LUN without interrupting host services. Which of the following statements about this feature is false?
- A. When configuring this feature, you must plan the capacities of the source and target LUNs. The capacity of the target LUN must be greater than or equal to that of the source LUN.
- B. The higher the migration rate, the better the host service performance is. Therefore, the highest migration rate can be used when the host service load is heavy.
- C. When configuring this feature, you cannot use a LUN that has been mapped to an application server as the target LUN of a SmartMigration task.
- D. The implementation of a SmartMigration task between heterogeneous storage systems depends on the LUN takeover function provided by SmartVirtualization.
Answer: B
Explanation:
The SmartMigration feature in Huawei OceanStor Dorado enables seamless data migration between LUNs, as detailed in the *HCIP-Storage V5.5 Training Material (Module 4: Storage Design and Implementation)*. Let's analyze each option:
- Option A: True. The material states: "SmartMigration between heterogeneous storage systems relies on SmartVirtualization to take over the source LUN, ensuring compatibility and seamless migration."
- Option B: True. The material confirms: "The target LUN capacity must be greater than or equal to the source LUN capacity to accommodate all data during migration."
- Option C: True. The material notes: "A LUN already mapped to an application server cannot be used as the target LUN for SmartMigration, as it would disrupt existing mappings."
- Option D: False. The material explains: "The migration rate affects system resources. Setting the highest migration rate under heavy host service load can degrade performance due to resource contention. The rate should be adjusted based on load to minimize impact." This makes the statement false, as high migration rates are not recommended during heavy loads.
Thus, option D is false.
Reference:
HCIP-Storage V5.5 Training Material, Module 4: Storage Design and Implementation, Section 4.4:
SmartMigration Configuration and Best Practices*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 24
In the HyperMetro active-active data center solution, if there is a bad block on a LUN of an array member, the following statement is incorrect.
Which one?
- A. When reading the local LUN of the array, after reading the bad block, if the error is repairable, return the read data to the host to confirm Ensure that the host responds quickly.
- B. When repairing a bad block, you must first apply for read permission and confirm the local read permission of the active-active pair.
- C. When reading the local LUN of the array, after the bad block is read, if the error cannot be repaired, the host read error is returned information.
- D. When reading the local LUN of the array, after reading the bad block, if the error cannot be repaired, the system will The data is repaired.
Answer: C
NEW QUESTION # 25
During the daily X inspection, engineer C found that the bit error rate of an optical module in the storage is high, and he plans to replace an optical module. Which of the following The description of the option is correct ()
- A. Engineer C needs to use a spare part with the same model and version as the faulty optical module
- B. The storage has multiple paths connected to the business host, and the optical module can be replaced at any time
- C. Replacing the optical module will not cause the loss of existing data, and there is no need to back up the data before replacement
- D. You need to shut down the storage device before replacing the optical module
Answer: A,C
NEW QUESTION # 26
The file sharing excuse provided by the Huawei 0 ceanstor 9000 system does not include which of the following options?
- A. FTP
- B. CIFS
- C. Object
- D. NFS
Answer: C
NEW QUESTION # 27
InfoReplicator supports splitting the Pair, that is, temporarily suspending the data between the master and slave directories Synchronize. If the user wants to restore the data synchronization of the Pair and re-maintain the same data in the master and slave directories, they only need to create a new one manually.
Pair is OK
- A. False
- B. True
Answer: B
NEW QUESTION # 28
(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
- A. LDAP authentication
- B. Local user authentication
- C. NIS authentication
- D. Client IP address/host name authentication
Answer: B
NEW QUESTION # 29
During flash storage initialization, an administrator needs to change the IP address of a management network port. Which statements about the change are false?
- A. The IP addresses of the management and maintenance network ports must be in different network segments; otherwise, there will be a route conflict.
- B. To change the IP address of the management network port on the CLI, log in to the CLI and run the "change system management_ip" command.
- C. To change the IP address of the management network port on the command-line interface (CLI), the IP address of the maintenance terminal and the default IP address of the storage management network port must be in the same network segment if the administrator logs in to the system through a serial port.
- D. The administrator needs to apply for and activate a license before changing the IP address of the management network port.
Answer: B,D
NEW QUESTION # 30
What are the key technologies included in InfoTurbo features () Multiple choice
- A. NFS protocol enhancement
- B. FlashLink
- C. Smart pre-reading
- D. SMB 3.0 Multichannel
Answer: A,B,C,D
NEW QUESTION # 31
Back-to-back mode, answer mode, which completes the coding and decoding work in the FCoE protocol, is the following single-choice layer Second-rate.
- A. Ethernet
- B. FC-0
- C. FC-3
- D. FC-2
Answer: D
NEW QUESTION # 32
The remote replication feature is mainly used in disaster recovery and backup scenarios. Which of the following statements about the remote replication feature is correct:
- A. The remote replication slave LUN can be mapped to the host in advance. When the primary L-end fails, it can save business recovery time.
- B. The peak bandwidth of asynchronous replication is higher than that of synchronous replication.
- C. During the remote replication process, if the replication link fails suddenly, the slave L data will be unavailable.
- D. If the disaster recovery solution requires RPO=0, it is recommended to use synchronous remote replication.
Answer: A,D
NEW QUESTION # 33
An industry customer has purchased several Huawei flash storage devices for service deployment. An engineer wants to configure the HyperSnap feature on the storage devices. However, during the configuration, the engineer discovers that snapshots cannot be created for an existing protection group. The possible cause is that the storage pool where the source LUNs in the protection group reside has no available capacity.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
The HyperSnap feature in Huawei flash storage systems, such as OceanStor Dorado, enables point-in-time snapshots for data protection. The *HCIP-Storage V5.5 Training Material (Module 2: Flash Storage Technologies)* states: "To create snapshots using HyperSnap, the storage pool containing the source LUNs must have sufficient available capacity to store snapshot metadata and copy-on-write (COW) data. If the storage pool lacks free space, snapshot creation for a protection group will fail." This aligns with the question' s statement that a lack of available capacity in the storage pool prevents snapshot creation for a protection group, making the statement true. The material emphasizes that capacity issues are a common cause of snapshot failures, as snapshots require additional space for incremental changes.
Reference:
HCIP-Storage V5.5 Training Material, Module 2: Flash Storage Technologies, Section 2.6: HyperSnap Configuration and Troubleshooting*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 34
The following are unstructured data applications: single selection
- A. Medical HIS database
- B. Enterprise financial system
- C. Enterprise ERP
- D. Educational video on demand
Answer: D
NEW QUESTION # 35
When delivering a Huawel OceanStor Pacific scale-out storage project, an engineer introduced the end-to-end data Integrity check technology of scale-out storage to the customer. Which of the following statements are false about this technology?
- A. For silent data scenarios such as bit change and read offset, the end-to-end data integrity check technology supports logical block addressing (LBA) check of clusters and hosts.
- B. In this technology, write requests are checked at the system entry (virtual block service). User data is checked again in the object storage device (OSD) before being written to disks. Data Is written to disks only after the data integrity check succeeds.
- C. This technology enables the storage system to implement periodic background data integrity check. When the service load is heavy or service access is frequent, the system automatically starts periodic background data integrity check and self-healing.
- D. Block, NAS, and object services support end-to-end data integrity check, but the HDF5 service does not.
Answer: C
NEW QUESTION # 36
In Huawei flash storage, the integrated I/O stack of SAN and NAS can be divided into the storage pool layer, space management layer, and data service layer. Which of the following are performance concerns of the space management layer?
- A. CPU usage of metadata background management
- B. Cache hit ratio of hot metadata
- C. Whether failover is enabled for protocol receiving threads
- D. Hit ratio of the prefetch algorithm
Answer: A,B
Explanation:
The integrated I/O stack in Huawei flash storage systems, such as OceanStor Dorado, is divided into layers, with the space management layer handling metadata and resource allocation. The *HCIP-Storage V5.5 Training Material (Module 5: Storage System Maintenance and Troubleshooting)* states: "The space management layer is responsible for metadata operations and space allocation. Key performance concerns include the cache hit ratio of hot metadata, which affects access speed, and CPU usage for background metadata management tasks, which impacts system efficiency." Let's evaluate:
- Option A: Correct. The material confirms that the cache hit ratio for hot metadata is critical for reducing latency in the space management layer.
- Option B: Correct. High CPU usage in metadata management can bottleneck performance, as noted in the material.
- Option C: Incorrect. Failover for protocol receiving threads is a concern for the data service layer, not the space management layer.
- Option D: Incorrect. The prefetch algorithm's hit ratio is relevant to the data service layer, not space management.
Thus, options A and B are the performance concerns.
Reference:
HCIP-Storage V5.5 Training Material, Module 5: Storage System Maintenance and Troubleshooting, Section 5.11: I/O Stack and Performance Analysis*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 37
What is wrong about the AK/SK authentication process among the following options:
- A. When the user initiates a data request, the SK and the requested content are encrypted using the IAC algorithm, and a signature is generated name.
- B. OceanStor9000 will compare the received signature with the signature calculated by the corresponding system.If yes, the authentication is passed.
- C. After OceanStor9000 receives the request and signature, it will check SK according to AK.
- D. After single-selecting OceanStor9000 to retrieve SK, use the MD5 algorithm to request the content of Zhang He Encrypt and generate a signature.
Answer: D
NEW QUESTION # 38
In the Oceanstor 9000 storage system, if you want to perform a complete network tuning, you need to Inspections and adjustments.
- A. False
- B. True
Answer: A
NEW QUESTION # 39
In a 0ceanstor 9000 system, the total number of nodes is 10, and the data protection level that can be configured for it can be: (multiple choice)
- A. 4+5
- B. 6+4
- C. 6+5
- D. 6+3
Answer: B,D
NEW QUESTION # 40
Which item should be in the correct order?
- A. abcba
- B. babcb
- C. bcbab
- D. acbab
Answer: B
NEW QUESTION # 41
In Huawei container storage solution, CSI is short for Container Storage Interface. Which of the following statements is false about Huawei CSI?
- A. CSI Controller runs independently on a worker node on the Pod in StatefulSet mode and is used to interact with the storage and create and delete resources on the storage side.
- B. CSI Node runs on each worker node of Kubernetes on the Pod in DaemonSet mode and can be used to mount and unmount related storage resources.
- C. Huawei storage and Huawei CSI driver need to communicate with each other through RESTful to provide NAS/SAN storage resources.
- D. CSI Driver developed by Huawei is mainly used to implement the call initiated by sidecar on Huawei storage.
Answer: C
Explanation:
The Container Storage Interface (CSI) in Huawei's container storage solution integrates with Kubernetes. The
*HCIP-Storage V5.5 Training Material (Module 5: Storage System Maintenance and Troubleshooting)* explains:
- Option A: True. The material states: "The Huawei CSI Driver handles calls initiated by sidecar containers to manage storage operations."
- Option B: False. The material clarifies: "The Huawei CSI Driver communicates with Huawei storage using gRPC or proprietary protocols, not RESTful APIs, to provision and manage NAS/SAN resources." This makes the statement incorrect.
- Option C: True. The material confirms: "The CSI Controller runs in StatefulSet mode on a worker node, managing storage resource creation and deletion."
- Option D: True. The material notes: "The CSI Node runs in DaemonSet mode on each Kubernetes worker node, handling mount and unmount operations." Thus, option B is false.
Reference:
HCIP-Storage V5.5 Training Material, Module 5: Storage System Maintenance and Troubleshooting, Section
5.3: Container Storage Integration with CSI*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 42
When accessing the Linux client of the Huawei Oceanstor9000 cluster, the client parameters can be adjusted to improve access Performance, which one of the following is wrong?
- A. Oceanstor9000 supports jumbo frames, it is necessary to set the MTU of all front-end and back-end business network ports
- B. N FS uses TCP protocol to send and receive data, appropriately increasing the buffer size can speed up TCP transmission
- C. In order to support jumbo frames, all nodes of the corresponding Oceanstor 9000 need to be set accordingly
- D. Enabling Jumbo Frames can reduce TCP loss and improve performance. The prerequisite is to confirm that the customer All network devices between end interfaces must support jumbo frames
Answer: A
NEW QUESTION # 43
An enterprise storage device generates a fault alarm. After Engineer A arrives at the customer site, he prepares to collect storage The storage equipment information is passed to R&D for further analysis. What collection methods can Engineer A use to collect information ()
- A. Collect storage system configuration data through the command line
- B. Configure the public network IP for the storage, let R&D log in directly to collect information
- C. Install SmartKit software to collect information
- D. Use DeviceManagerl to collect logs and alarms
Answer: A,C,D
NEW QUESTION # 44
In Huawei flash storage, an administrator is a built-in role that can manage users, upgrade the system, change the system time, power off the device, and restart the device.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
The *HCIP-Storage V5.5 Training Material (Module 5: Storage System Maintenance and Troubleshooting)* describes user roles in Huawei flash storage systems: "The administrator role is a built-in role with full privileges, including managing users, performing system upgrades, changing the system time, powering off the device, and restarting the device." This role is designed for comprehensive system management, confirming that the statement is true.
Reference:
HCIP-Storage V5.5 Training Material, Module 5: Storage System Maintenance and Troubleshooting, Section 5.19: User Role Management*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 45
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 alarms of higher severities before those of lower severities.
- C. Analyze external factors before internal factors.
- 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 # 46
When an asynchronous remote replication relationship is established between the primary volume of the primary site and the secondary volume of the remote slave site, an initial synchronization is initiated.
After the synchronization is completed, the data status from the volume becomes complete, and then which of the following procedures is followed to complete the periodic data synchronization ()
- A. After the write request data is written to the main volume, immediately respond to the completion of the host write
- B. When the master volume synchronizes data with the slave volume, read the data of the snapshot of the master volume and copy it to the slave volume
- C. The master volume receives write requests from the production host
- D. Generate synchronous snapshots of the primary and secondary volumes
Answer: A,B,C
NEW QUESTION # 47
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