Newly Updated H13-629_V2.5-ENU Exam Questions To Be Your Preparation Materials

To all, the current version of HCIE-Storage is V2.5, when planning to be a HCIE-Storage certified, candidates are required to pass H13-629_V2.5 exam successfully. We have newly updated H13-629_V2.5-ENU exam questions, which is in English version, to be your best preparation materials for passing HCIE-Storage(Written) V2.5 certification exam.

The most updated Huawei H13-629_V2.5-ENU exam questions of HCDAtest are correct with precise answers, which ensure that you can pass HCIE-Storage(Written) V2.5 exam in the first attempt. Huawei H13-629_V2.5-ENU free online test are online to help you test the demo first before getting the most updated H13-629_V2.5-ENU exam questions. If have any questions, please contact us via mail: [email protected].

Begin to Test:

1. Engineer C maps the storage to the file server for saving various files of the enterprise. One day, the file system was attacked by a virus, causing the file to fail to open normally. In order to allow the files to be accessed normally, the storage engineer performed a snapshot rollback operation.
Which of the following descriptions is false?

Snapshot rollback can quickly restore data

Snapshot rollback may cause some data loss

During snapshot rollback, if data is written to the source LUN, first perform the write to the source LUN operation, and then perform the rollback operation

When there is no host to read and write, the data in the snapshot is rolled back to the source volume in turn

Question 1 of 25

2. A company has purchased a new batch of mainframes and storage devices, and will deploy the company's important business according to the plan. The storage network is required to have low latency, high performance, large bandwidth, lossless transmission, and can support Ethernet transmission. Which protocol should be selected?

FC Protocol

FCoE Protocol

IB Protocol

SAS Protocol

Question 2 of 25

3. Which of the following statements about the evolution of storage network architecture is correct?

The user first created the storage demand due to the increase in the amount of data, resulting in the earliest and simplest storage architecture SAN

SAN provides file storage, and its appearance solves the problem of inconvenient file sharing in DAS architecture

Compared with the DAS architecture, the NAS architecture can better provide file sharing services

Distributed storage and DAS appeared at the same time, providing better scalability for the DAS architecture

Question 3 of 25

4. An operation and maintenance engineer found a storage device alarm in the process of daily inspection and needed to perform rapid maintenance. Which of the following is wrong?

Check the status of the indicator lights and handle related exceptions

Check system performance and handle related exceptions

Check business status and handle related exceptions

Restart the storage device

Question 4 of 25

5. In the following description of CPU grouping technology, which one is wrong?

Accessing local memory has lower latency and less overhead than accessing remote memory, and the memory access efficiency will directly affect the performance of the storage system

For the host read and write requests received by each CPU group, try to complete the end-to-end read and write process processing within the CPU group to avoid the overhead of accessing remote memory and cross-CPU transmission.

In a multi-CPU architecture, each CPU has local memory and can also access memory connected to other CPU memory controllers

Through the CPU grouping technology, each CPU group handles the same host read request, improving the response rate of the storage system

Question 5 of 25

6. Huawei OceanStor Pacific series storage systems use link aggregation-based technology to achieve transmission link redundancy. When the cluster uses the IB network, which of the following about the number of the IB Ethernet ports needs to be configured on the back-end of the node storage network?

Question 6 of 25

7. Which statement about distributed storage is wrong?

Huawei's distributed storage is fully self-developed and has independent intellectual property rights

Each I/O of Huawei distributed storage needs to be addressed through metadata

Huawei distributed storage can provide file, docking, and block storage at the same time

Huawei distributed storage is based on full x86 general-purpose servers

Question 7 of 25

8. The HyperMetro feature implements I/O load balancing across arrays, that is, the I/O fragmentation method is sent on and off the write array. Which of the following statements about I/O fragmentation is correct?

I/O shards are randomly distributed between the two arrays

128MB

258MB

I/O shards' size is adjustable

Question 8 of 25

9. About the NDMP backup application planning, which of the following is wrong?

The backup and operation of the system disk is not supported

Does not support system time zone adjustment

Based on snapshot backup, the file system is required to support snapshot

Snapshot backup, directory extensibility is protected by snapshots

Question 9 of 25

10. When engineer A implements storage delivery, LUN cannot be scanned on the Linux service host side. Which of the following descriptions is wrong?

Storage pool failure

Link failure

Zone configuration error

The host does not have multipathing software installed

Question 10 of 25

11. The customer's production environment has high server performance, tight production network resources, and limited budget costs. The daily backup data volume is 1~2T, and the backup time is 3 hours. Which backup networking method is the most suitable?

10GE lan-base

FC Network

server-free

1 GE lan-free reference

Question 11 of 25

12. When planning an active-active disaster recovery solution, the business side needs to use cluster applications. Which of the following cluster applications can support the AA working mode?

SQL Server

MSCS

HACMP

Oracle RAC

Question 12 of 25

13. Which of the following statements about the SmartCache feature principle of Huawei OceanStor hybrid flash storage is correct?

When read the data in the missed Smart Cache, the SmartCache pool directly forwards the read I/O request to the HDD.

When a write I/O arrives at the storage system, in order to avoid affecting the write performance, the data in the SmartCache will not change due to the I/O

If business A and B share 0 ceanStor storage, the same custom SmartCache partition can be used

The system generates a default SmartCache partition for each controller by default.

Question 13 of 25

14. Huawei hyperconvergence has the function of adaptive global deduplication and compression, which can provide significant space reduction and reduce user TCD under reasonable resource consumption.
The correct order of the implementation process of adaptive global deduplication compression is:
1. Write class data block
2. Point to the data in the fingerprint table after deduplication
3. Upgrade from chance table to fingerprint table
4. Data block fingerprint entry opportunity table

1432

2143

1423

2134

Question 14 of 25

15. Which of the following descriptions about the InfoStamper features of the OceanStor 9000 storage system is incorrect?

There is a backward dependency between the objects of data according to the snapshot version. Therefore, when reading snapshot data, the system determines from which object to read based on the dependencies of the objects.

OceanStor 9000 uses ROW technology for data.

There are shared data between different versions of the snapshot, between the snapshot and the current version.

oceanStor9000 uses COW technology for metadata.

Question 15 of 25

16. The storage engineer performs performance tuning on the existing storage system. According to the performance monitoring data front-end service port, the host application access delay is high. Which part of the performance tuning belongs to?

Testing and Application

Tuning Analysis

Tuning operations

Information Collection References

Question 16 of 25

17. In which of the following scenarios will OceanStor 9000 not trigger data balance?

The nodes return to normal one after another

Disable the node

Newly Create Node

Enable Node Reference

Question 17 of 25

18. Regarding the protocol used by the mirror channel between controllers of Huawei Oceanstor hybrid flash storage, which of the following statement is correct?

Use FC between risk control within a node group, and use PC-E between node groups

Use SAS between dual controllers within a node group, and use PCI-E between node groups

PCI-E is used between dual controllers within the node group and between the node groups

PC-E is used between dual controllers within a node group, and SAS is used between node groups

Question 18 of 25

19. A bank purchased a new all-flash storage device (such as Huawei OceanStor all-flash memory), and the engineer initialized and configured the device. Which of the following operations is correct?

When logging in to DeviceManager, use the port number 8088

When creating a LUN, configure the LUN as a Thick LUN

It is required to tolerate 2 data CHUNK failures and configure the RAID strategy as RAID5

When creating hosts in batches, create 600 hosts at a time

Question 19 of 25

20. During the read operation of the Thin LUN by the host, what technology is used to read data from the corresponding actual storage space in the storage pool?

Capacity-on-write

Direct-on-time

Direct-on-read

Capacity-on-read

Question 20 of 25

21. Regarding the description of Huawei OceanStor all-flash storage system, which one is wrong?

When creating a LUN, the LUN ownership needs to be planned to achieve load balancing of controllers in the system.

It can provide front-end intelligent shared I/O module, and directly send the host I/O slices divided by LUN to the corresponding target controller

The caches of all controller nodes together form the global cache

The data of each LUN is evenly distributed to the caches of all nodes

Question 21 of 25

22. A hospital needs to archive many patient cases and inspection results generated every day, but the storage resources are limited.
Under the premise of not occupying the transmission bandwidth, which deduplication method is the best?

Source deduplication

Target-side deduplication

Online deduplication

Post-processing deduplication

Question 22 of 25

23. After employee A of a company logs in to the storage device of the company system, he finds that he has certain control authority. But can not modify the system time, and can not carry out user management.
Excuse me, which of the following roles does employee A have permissions?

Super administrator

Administrator

Ordinary users

Read-only users

Question 23 of 25

24. A customer deploys one set of storage in two cities, and uses asynchronous remote replication networking between the two storage arrays. Which of the following statements is correct? (Multiple Choice)

The types of snapshots automatically created by asynchronous remote replication may be either private snapshots or public snapshots

The number of LUNs in the consistency group should be as small as possible, and only the LUNs that have write dependencies on the same application should be placed in one consistency group

In the disaster recovery drill site, it is recommended to create a snapshot of the slave LUN and send it to the host for access

In the remote replication link networking mode, the performance of parallel networking is better than that of cross networking

Question 24 of 25

25. During the construction of a data center, a media company purchased storage equipment from multiple manufacturers. CTOs want to centrally manage these storage devices through storage virtualization. Which of the following is not a function of storage virtualization?

Hiding the physical device complexity from the user

Enable the server to directly access the storage hardware

Support unified deployment management function

Reducing the limitation of physical storage capacity

Question 25 of 25

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