Real H13-624_V5.5-ENU Exam Questions – Prepare for Your HCIP-Storage V5.5 Exam Well

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1. Which of the following is the correct storage system installation process?

Installation preparation > Initialize the storage system > Establish a remote maintenance environment > Install the device > Power on > Connect cables > Check hardware installation

Installation preparation > Install equipment > Power on > Connect cables > Check hardware installation > Initialize storage system > Establish remote maintenance environment

Installation preparation > Install equipment > Connect cables > Check hardware installation > Power on > Initialize storage system > Establish remote maintenance environment

Installation preparation > Connect cables > Install equipment > Power on > Check hardware installation > Initialize storage system > Establish remote maintenance environment

Question 1 of 33

2. Which of the following descriptions about the principle of the Flash Storage HyperReplication feature is wrong?

In synchronous remote replication mode, after the primary storage system receives a write I/O request from the host, it will send the write I/O request to the slave LU and the primary LUN at the same time. When both the primary LUN and the slave LUN are written successfully, it will return the write I/O success result to the host.

Asynchronous remote replication mode relies on snapshot technology. When the host initiates a write operation request, the storage system will return a successful write request to the host only if the write from the LUN is successful.

Remote replication can be divided into two modes: synchronous and asynchronous. The principles of writing data to the slave LUN are different in different modes.

In synchronous remote replication mode, the primary LUN of the production site and the secondary LUN of the disaster recovery site will establish a synchronous remote replication relationship and start the initial synchronization.

Question 2 of 33

3. Which of the following descriptions of the networking principles of Huawei flash storage device disk enclosures is wrong?

The P0 port of the disk enclosure is an upstream port and can only be connected to the P1 port of the upper disk enclosure.

The P1 port of the disk enclosure expansion module is connected to the P0 port of the next-level disk enclosure expansion module

Disk enclosure cascading networking usually adopts full positive connection

The interface modules of the two ports on the controller enclosure connected to the same disk enclosure should be symmetrical and have the same port number.

Question 3 of 33

4. A scientific research customer purchased several Huawei distributed storage systems for HPC business deployment. In order to ensure the performance requirements of the business, the engineer now needs to configure DPC file services on the storage system. Which of the following configuration descriptions of the engineer is correct? One item?

If an engineer wants to enable the feature that allows the creation of namespaces with the same name for different accounts, this can be achieved by executing the change space ops cnd-sameFsName args-set,1 command

Engineers can install DPC software in an existing container environment and need to configure the container node and install the network management component.

After the fusion storage pool is created, engineers need to enable the object service and big data service types of the nodes in the storage pool, while the file service type does not need to be checked.

When creating a disk pool, engineers do not need to select main memory and cache, but need to configure the grading level.

Question 4 of 33

5. Huawei OceanProtect backup appliance is widely used by customers in many industries because it adopts the design of CPU Core grouping + intelligent scheduling key technology. Which of the following is an advantage of this technology?

This technology can achieve physical and logical isolation of resources and reduce latency

The system can pre-fetch data and metadata of all LUNs to improve cache hit rate

The scheduler can distribute tasks to other cores according to the business load status to achieve load balancing

This technology has the problem of overloading some cores when carrying different services, resulting in high latency

Question 5 of 33

6. A financial customer purchased a Huawei flash storage for business deployment. In order to improve the space utilization of the storage system, the engineer configured the deduplication and compression feature on the storage system.
If the engineer wants to query the data reduction information of the LUN group at this time, which of the following commands can be used to configure it?

change lun migration split consistency

show workload type detail info

show lun group reduction info lun group Id=c

show lun group reduction switch lun id=c

Question 6 of 33

7. When engineers perform storage-side tuning on Huawei flash memory, they will take the cache prefetch strategy into consideration.
Which of the following is not a type of cache prefetching strategy?

Fixed prefetch

Smart Prefetch

No prefetching

Elastic prefetching

Question 7 of 33

8. A financial customer purchased several Huawei distributed storages. Engineers now need to install the distributed storage software through LID configuration.
Which of the following descriptions of LID configuration is wrong?

When installing software using LID, engineers need to create a LID configuration file

Before engineers use the LID Designer tool to create LID configuration files, they need to complete the planning of system deployment parameters and IP addresses.

In LID configuration mode, engineers need to manually complete operations such as node addition and network configuration on the DeviceManager interface.

In LID configuration mode, engineers can use SmartKit to configure node iBMC IP addresses, configure node management, and other operations based on the exported configuration file.

Question 8 of 33

9. When using Huawei flash storage, if an engineer wants to calculate the effective write bandwidth of the disk, which of the following calculation formulas can be used?

Hard disk effective write bandwidth = single disk write bandwidth x number of hard disks

Disk effective write bandwidth = single port bandwidth x number of ports

Hard disk effective write bandwidth = single disk write bandwidth x number of hard disks x (number of data disks / total number of disks)

Hard disk effective read bandwidth = single disk read bandwidth x number of hard disks x (number of system disks/total number of disks)

Question 9 of 33

10. A financial customer wants to configure the DME IQ service to perform daily management of flash storage. Before setting up DME IQ, it is necessary to open the server port of the DME IQ cloud to ensure that the storage device can send HTTP requests to the DME IQ cloud normally.
Which of the following ports does not belong to the ports that need to be opened?

8448/TCP

8900/TCP

7448/TCP

9448/TCP

Question 10 of 33

11. A financial customer purchased a Huawei flash storage for subsequent business deployment. During the storage system initialization process, engineers need to configure security policies for the storage. Which of the following is not included in the content of configuring security policies?

Configure blacklist and whitelist policies

Configure account policies

Configure user account auditing

Configure login policy

Question 11 of 33

12. A scientific research industry purchased several Huawei OceanStorPacific series distributed storages for business deployment, and engineers configured DPC file services on the storage.
Because the front-end business operation requires higher performance, engineers want to set the CPU of the DPC node to performance mode through the CLI command line. Please analyze which of the following commands has this function?

change service ndmp_restart_service

change pms converged_qos_policy

cpupower frequency-info

cpupower frequency-set -g performance

Question 12 of 33

13. A financial customer purchased a Huawei OceanStor Pacific series distributed storage and used the SmartEqualizer feature. If the customer wants to select the node with the lowest number of file service connections to process client connection requests, what load policy should the administrator configure?

By CPU usage

By number of node connections

By node throughput

By file space retention rate

Question 13 of 33

14. A financial customer purchased several Huawei OceanStorPacific storages for business deployment. Engineers configured object storage services on the storage system. It is known that there is an AD domain controller in the existing network. Engineers need to add the storage system to the AD domain controller environment. Please analyze which of the following is not a prerequisite that needs to be met before adding the AD domain controller?

IDAP domain environment needs to be built

Before joining, all storage nodes and the DNS server network are connected

The AD domain server and DNS server need to be synchronized with the storage system time

TCP ports 88, 389, 445, 464, and 636 need to be opened between the storage system and the AD domain environment.

Question 14 of 33

15. A financial customer purchased a Huawei all-flash storage for business deployment. During daily storage use, the administrator found that the performance of the storage had large fluctuations, and then conducted relevant inspections on the performance issues.
Which of the following is not a check item that needs to be done for performance fluctuation issues?

Check whether there are obvious storage background tasks at the fluctuation time point, such as data reconstruction, etc.

Check whether there are any abnormal SmartKit operations during the fluctuation period

Check whether there is an obvious hit rate mutation at the fluctuation time point

Check whether there are obvious hardware resource bottlenecks on the storage side at the fluctuation time point

Question 15 of 33

16. Which of the following is an impossible cause of this phenomenon?

Storage controller temperature is too high

LUN Fault page exceeds the limit

A reserved port on the storage switch is faulty.

Battery failure

Question 16 of 33

17. The user purchased several Huawei OceanStorDorado devices to support the database business on the existing network, but found that multipath ping-pong effect occurred during use.
Which of the following descriptions about performance tuning for this phenomenon is correct?

During the optimization process, you can run the upadm startupdateimage command to check whether the failover function is disabled.

During the tuning process, you can run the upadm showoption command to view the multipath configuration and confirm that the multipath function has been disabled.

During the tuning process, you must use the show performanceport command to view the backend port performance indicators to assist in problem location.

To address this problem, you can usually use the echo noop >/sys/block/sdc/queuelscheduler method to temporarily modify the scheduling algorithm of the block device to optimize the multipath ping-pong effect.

Question 17 of 33

18. A well-known customer in an industry purchased a Huawei OceanStor Pacific distributed storage system for business deployment. The engineer configured NFS file sharing on the storage system, and the sharing protocol is NFSv4. If the engineer wants to switch the user view to the developer view through the command line, which of the following commands can be used to configure it?

change user_mode Current_modeuser_mode=developer

change nas_1dap advanced_config

change domain ad manager Operation-develop

change dns general address-develop

Question 18 of 33

19. An industry customer purchased a Huawei OceanStor Pacific 9950 distributed storage for business deployment. During an inspection, the engineer found that the location indicator of the main memory hard disk module of the device was always yellow. Please analyze the status of the main memory hard disk module at this time?

The main memory hard disk module is operating normally

The main memory hard disk module is being positioned

Main memory hard disk module failure or pre-failure

The main memory hard disk module is not powered on

Question 19 of 33

20. In the existing network environment, Huawei's backup appliance can provide strong data protection capabilities.
Which of the following descriptions of the functional architecture of the all-in-one machine is correct?

File system management and protocol access are mainly implemented by the data protection layer

The backup appliance can complete application data protection operations without the need for backup agents during data protection.

DataEnable Engine is a data enabling module that can provide global retrieval and data desensitization related capabilities

Protect Manager is a data flow module, mainly responsible for data processing such as backup, recovery, replication, archiving, and replica mounting.

Question 20 of 33

21. A financial customer purchased several Huawei distributed storage devices for business deployment. In the unstructured service scenario, engineers need to divide the network into multiple planes.
Which of the following descriptions of the relevant network plane is wrong?

The management internal network is used for data communication between storage nodes and management nodes, including deployment upgrades, resource configuration, performance alarm reporting, certificate key updates, etc.

The management network is mainly used for system management and maintenance, and is connected to the customer management network

In the file service DPC scenario, the storage backend network can be used to communicate with the computing nodes to process the communication data between the DPC and the OSD

The business plane is used to connect with customer application systems and access storage through interfaces such as S3, HDFS, NFS, CIFS, and POSIK

Question 21 of 33

22. A government customer purchased multiple Huawei distributed storage devices to provide DPC file services for upper-layer businesses.
During the DPC service configuration process, engineers need to plan and configure storage switches. Which of the following descriptions of storage switch configuration requirements is wrong?

During the configuration process, if the control network does not cross subnets, but there will be cross-subnet expansion operations later, engineers must configure VLAN and flow control, but there is no clear configuration requirement for the control network gateway

When the transmission protocol is RoCE, engineers need to configure VLAN and flow control

Engineers can form M-LAG with multiple switches, and when the transmission protocol is IB, engineers need to enable subnet management

During the configuration process, engineers need to configure the IP address of the switch management network port

Question 22 of 33

23. A financial customer newly purchased several Huawei distributed storages for business deployment, with a total of 6 nodes, including 2 computing nodes and 4 storage nodes, and the business, storage, and management switches were deployed independently.
An engineer needs to plan interfaces for a 25GE switch. Which of the following descriptions about interface planning is wrong?

In interface planning, engineers can reserve interfaces. To shut down reserved interfaces, engineers can execute the shutdown command.

If engineers want to plan M-LAG interfaces, each switch can use two 100GE interfaces to configure M-LAG.

In this scenario, engineers do not need to plan aggregation interfaces, but must plan 8 MGT interfaces to connect to the BMC/management switch.

If engineers want to plan node interfaces, each switch can use 4 to 6 25GE interfaces to connect to computing nodes and storage nodes in sequence.

Question 23 of 33

24. A government customer purchased two Huawei all-flash storages for business deployment. During the use of the storage, engineers found that the storage performance often fluctuated. If the engineer wanted to locate the storage performance fluctuation problem at this time, it would involve many operations.
1- Check whether there are obvious changes in IO model or business load at the fluctuation time point
2-Analyze the latency fluctuation module through the latency location tool FTDS on the storage side
3- Check whether there is an obvious hit rate mutation at the fluctuation time point
4- Check whether there is a very small IO scenario at the fluctuation time point
5- Check whether there is any obvious hardware resource bottleneck on the storage side at the fluctuation time point
6- Check whether there are obvious storage background tasks at the fluctuation time point
I would like to ask, among the above operations, which operations can locate the problem and which operations cannot?

456 can locate the problem, but 123 cannot

123456 can help locate the problem

12 can locate the problem, but 3456 cannot

123 can locate the problem, but 456 cannot

Question 24 of 33

25. A school customer purchased two Huawei OceanStorPacific series storages for daily business deployment. The engineer needs to configure the DPC service on the two storages. Which of the following configurations of the engineer is wrong?

If the upper-layer business has high requirements for data security, engineers need to configure the storage pool type as encryption type when creating a fusion storage pool.

When creating a namespace, engineers need to select the security mode and application type.

Before creating a fusion storage pool, engineers need to enable the file service of the node through DeviceManager before they can proceed with the subsequent creation process.

When the storage network is RoCE networking, engineers can use the systemctl stop lIDpad.service command to shut down the lIDpad service.

Question 25 of 33

26. A financial customer purchased a Huawei flash storage system for business deployment. The engineer configured the HyperCDP feature on the storage system. Now it is necessary to create a scheduled HyperCDP plan. Which of the following configuration commands can achieve this?

create hyper cdp Schedule general

create is hyper Cdp general

change hyoer cdp Schedule enabled

add Hyper_cdp_schedule fs

Question 26 of 33

27. An engineer is going to install the hardware of Huawei flash memory devices. Which of the following descriptions about hardware installation is correct?

When connecting the flash storage device, the AC power cord needs to be connected to the same independent power supply to ensure line redundancy.

If the flash memory device is a low-end flash memory, after removing the cabinet filler panel, the engineer needs to use the installation template to locate the device installation position.

If the flash memory device is a high-end flash memory, the engineer needs to connect the cabinet ground wire before connecting the external power cord, and then install the cabinet after the connection is completed.

When removing the cabinet filler panel, you need a flat-blade screwdriver and floating nut mounting strip, which are mainly used to remove the 16 screws on the filler panel and remove the filler panel.

Question 27 of 33

28. When delivering a distributed storage project, Huawei engineers focused on introducing OceanStorPacific's parallel file system service to customers. Which of the following descriptions of this service is wrong?

Use fixed-length, large-grained primes to ensure large I/O sequential read and write performance

Large I/O can be forwarded to the home node for direct processing, eliminating the distributed lock overhead, thereby significantly reducing the read and write latency of large I/O

Small I/Os are aggregated through the cache before being put into disk, which not only achieves ideal latency but also improves the utilization rate of small files.

In terms of I/O flow, large I/O is transferred to the disk in a direct manner to improve bandwidth capacity

Question 28 of 33

29. A financial customer purchased several Huawei OceanStor Pacific 9550 storages in the early stage. However, when the engineer configured the basic object service business on the storage, he found that the object service could not be enabled for the storage node. Which of the following reasons can you analyze that is not likely to cause this phenomenon?

The NTP clock in the storage cluster is inconsistent with the clock on the client accessing the object service.

The cluster is not configured with NTP synchronization and does not use the same NTP time source

Engineers manually adjusted the time of cluster nodes, resulting in differences in conflict handling

A namespace with the same name is created under the same account

Question 29 of 33

30. When delivering a Huawei flash storage project, an engineer introduced the SAN/NAS integrated architecture to the customer. Which of the following descriptions of the architecture is wrong?

In the protocol layer, NFS/CIFS supports DTOE offloading, but iSCSl does not.

The software architecture can be divided from top to bottom into: protocol layer, data service layer, cache layer, file and block space management layer, and storage pool layer

The protocol layer is responsible for protocol parsing and permission management. SAN and NAS are two sets of semantic logic, so different service entry components are used to deliver and implement them respectively.

The space management layer adopts the AA high reliability mode, which can provide reliable data protection capabilities based on the customer's actual business scenarios.

Question 30 of 33

31. An industry customer purchased a Huawei OceanStor Dorado6800 storage system for business data deployment. To improve data reliability and security, engineers configured the HyperDetect feature on the storage system for data protection.
Which of the following descriptions of the technical characteristics is wrong?

This feature can realize intelligent ransomware detection. For known ransomware, it can detect whether the snapshot is infected by ransomware through two types of features: extension name and ransom email.

This feature provides the ability to intercept ransomware files. You can update the ransomware file extension by importing the detection model.

In the detection of data change behaviors of snapshots before and after, if a snapshot is judged to be suspicious, it is necessary to further extract the full change features of the suspicious snapshot and use machine learning algorithms to detect whether the snapshot is infected by ransomware.

This feature can realize real-time ransomware detection, that is, through the combination of rapid screening of abnormal I/O behavior and deep detection of underlying block device damage, detect whether the data is being extorted by ransomware

Question 31 of 33

32. A government customer has purchased several Huawei distributed storage devices for subsequent business deployment. Now engineers are required to configure file service services under standard protocol scenarios. Which of the following is not an action that engineers need to complete during the configuration process?

Create a fusion storage pool

Enable node file service

Install DPC

Create a namespace

Question 32 of 33

33. In the DeviceManager interface, which of the following menu paths can a user use to view all the alarm information that exists and has not been repaired in the current storage system?

Monitor > Alarms and Events > Current Alarms

Monitor > Alarms and Events > All Alarms

Monitoring > Alarms and Events > Historical Alarms

Monitoring > Alarms and Events > Alarms

Question 33 of 33

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