Download HCIE-Storage V2.5 H13-629_V2.5 Sample Questions and Answers

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Page 1 of 5

1. A bank enabled the SmartTier! feature for the storage space of the bill trading system. During the I/O monitoring process, it was found that the data access written by the business was very high.

Which of the following configurations can optimize performance? (Multiple Choice)

Prioritize capacity allocation from the high-performance tier

Migrating to the high-performance tier

Prioritize capacity allocation from the capacity tier

Migrating to a low-performance tier

2. Huawei all-flash storage systems can use the Meteor control technology of SmartQos to improve service performance. When a user sets a performance upper limit target for a SmartOoS policy, the system will allocate a certain number of ( ) according to the performance upper limit target, and implement flow control by controlling provisioning. .

Token

3. Which of the following businesses can use the SmartTier feature to improve storage system performance and reduce user costs? (Multiple Choice)

ERP

Data Mining

Online shopping

Data warehouse

4. Active-active arbitration mechanisms supported by Huawei storage products include ( ) mode and arbitration server mode.

Static priority

5. ( ) using the First Burst Enabled function of the SCSI protocol, the protocol-level optimization of data transmission between storage devices is performed, and the number of link transmission interactions for writing data is reduced by half.

FastWrite

6. Operation and maintenance is based on technology, and provides higher-quality services through technical guarantee products. Which of the following aspects can be used to improve the quality of operation and maintenance? (Multiple Choice)

Management

Resources

Standards

Process

7. Which of the following statements about the hard disk interface is correct? (Multiple Choice)

The hard disk interface is the data exchange between the hard disk cache and the memory

The hard disk interface is the connection between the hard disk and the host system

The speed of the hard disk interface affects the data exchange between the CPU and the memory

The speed of the hard disk interface affects the performance of the storage

8. In the scenario of database protection, when the slave side uses virtual snapshots to verify the LUN data consistency between the production side and the disaster recovery side, it is found that the database of the disaster recovery side LUN cannot be started normally. What are the possible reasons? (Multiple Choice)

After creating a snapshot of the LUN of the disaster recovery site, the snapshot is not activated at the same time.

The production side is copying data to the disaster recovery side when creating a snapshot of the disaster recovery side LU

The data stored in disaster recovery is stored in the Cache and has not been written to the hard disk.

The production end and the disaster recovery end adopt the incremental LUN copy disaster recovery solution. During the synchronization process of the incremental data, the link is abnormally interrupted and has not been restored.

9. Which of the following statements about WORM features are correct? (Multiple Choice)

When the file is locked, the protection time of the file can be extended or shortened by manual operation.

A file in a locked state When the WORM clock value of the file system is greater than the atime value of the file, the file will be in an expired state.

When the file is in the append state, after the legal clock of the WORM file system exceeds the file expiration time, the file will migrate from the append state to the expired state.

When the file size is 0 bytes, the lock state can be migrated to the append state.

10. Game live broadcast platform A uses Huawei's all-flash storage to protect its business, and the storage system uses FlashLink technology specially designed for flash memory. Which of the following statements is true about the many-core technology? (Multiple Choice)

vnode is bound to CPU to reduce the overhead of cross-CPU scheduling and cross-CPU transmission

Read and write I/O and other I/O are deployed in different groups to avoid mutual interference

A request is executed continuously on the same core and a lock-free design is implemented to avoid frequent multi-core switching

Through the many-core technology, the performance of the storage device can be linearly increased with the number of CPUs and the number of cores

Page 2 of 5

11. An enterprise has established active-active data centers in city A and city B. If the active-active arbitration mode of storage (such as Huawei OceanStor hybrid flash memory) is static priority mode, site A is a static priority site. Which of the following descriptions are correct? (Multiple Choice)

If the link between storage systems fails, both site A and site B continue to run services

Site A fails and Site B automatically takes over services

Site B fails and Site A automatically takes over the service

The link between the host and site A and site B fails at the same time. The status of the active-active pair is displayed as normal.

12. ( ) refers to the device where the user stores the backup data.

Backup media

13. A storage solution engineer is planning a company's storage system and learned that 10 service system hosts are connected to the storage through Ethernet switches.

Which of the following options are correct when planning a switch configuration? (Multiple Choice)

Configure the storage management port to use the Loopback interface

The uplink port of the switch is configured as a trunk interface

The storage management port and service port are configured in different zones

The storage management port and service port are configured in different VLANs

14. Taking data center A as the priority site and data center B as the non-priority site as an example, when the quorum server is not configured or the quorum server cannot be accessed, the HyperMetro arbitration mode is static priority mode, and when the HyperMetro Pair arbitration occurs ______ site side to obtain arbitration and provide business.

Priority

15. Huawei pacific products can be used for content storage, backup and archiving scenarios. The obvious features of this scenario are real-time online business throughput ( ), frequent access to hot data, and data that needs to be stored for a long time. Online access needs are referenced.

large

16. Compared with traditional RAID, what are the characteristics of RAID 2.0+ technology? (Multiple Choice)

The block virtualization realizes the automatic and balanced distribution of data on the hard disks in the storage pool, avoiding the uneven cooling and heating of the hard disks.

Need to manually configure a separate global or local hot spare hard disk

When the hard disk fails, RAID2.0+ can further shorten the reconstruction time through thin reconstruction

Supports many-to-many reconstruction, reconstructing data streams and writing to multiple hard disks in parallel

17. In the Fusionstorage system, the ( ) component processes IO messages sent by VBS, performs specific I/O data storage space operations, protects data redundancy, and persists it to storage media. (Please enter the English abbreviation)

OSD

18. In troubleshooting tools, ___________ can be used to measure various electrical parameters.

Multimeter

19. What attributes of files can be migrated during robocopy migration? (Multiple Choice)

Data

Time Attributes

ACL

ADS stream file

20. Regarding the file system quota features of Huawei OceanStor hybrid flash storage, which statement about Quota Tree is correct? (Multiple Choice)

Quota Tree can be shared by agreement, and it is not allowed to change its name and delete it when it is being shared.

It can move files (NFS protocol) or cut files (CIFS protocol) across Quota Tree.

Hard link operations between two different Quota Trees are not allowed.

Administrators can delete non-empty Quota Trees through the command line or GUI management interface.

Page 3 of 5

21. What application scenarios does LUN migration support? (Multiple Choice)

Adjust the LUN type (thick, thin, deduplication compression)

Adjust the WWN of the LUN

Adjust the RAID level of the LUN

Adjust the read and write performance of the LUN

22. Which of the following statements about RAID2.0 is wrong? (Multiple Choice)

The hard disk is divided into Chunks

LUNs consist of extend or grain

Chunks in a CKG may come from the same hard drive

Chunks in a CKG may come from different storage pools

23. The data of a company is archived data and online business data. If the SSD is used, the cost is high, and the NL-SAS hard disk cannot meet the performance requirements. Which of the following technologies cannot meet the needs of users? (Multiple Choice)

SmartCache

SmartTier

SmartClone

SmartMetro

24. FusionStorage is a software-defined storage with a Scale-________ architecture, and supports iSCSI or SCSI protocols externally, providing intelligent distributed storage with high efficiency, high availability and extreme expansion.

out

25. To prevent Hyper CDP from taking up too much storage space, which of the following capacity thresholds can an administrator set on a storage pool? (Multiple Choice)

Protection capacity high threshold b. Protection capacity low threshold c. About to run out of capacity warning threshold

Capacity Alarm Threshold Reference

26. FusionStorage is divided into a business system and a management system. The ( ) layer of the business system is used for the conversion of logical space and physical space.

Index

27. RTO refers to the maximum ______ required to recover data in the event of system failure or disaster in data recovery.

Time

28. A company uses Huawei's distributed storage block service to run data services. The development team needs to use business data for data mining and testing without affecting business data. Which of the following descriptions are correct? (Multiple Choice)

Generate a snapshot of the data to be tested at a certain point in time

Create clones based on volumes/snapshots, read and write to clones

The source data and the clone data each evolve into two different data

Create a clone of the snapshot and use the clone for testing

29. Create an indicator chart

2 Set performance monitoring parameters

3 Configure performance monitoring file dump

4 Configure the threshold

30. If the data center equipment is out of warranty or the performance capacity can no longer meet the business needs, the customer needs to upgrade the storage. Using the ( ) technology and SmartMigration, customers' original data can be migrated online to Huawei's all-flash storage system, enabling smooth data migration without interrupting host services. (Please fill in the technical English name)

SmartVirtualization

Page 4 of 5

31. Which of the following descriptions can cause value-added service class failures? (Multiple Choice)

The serial port cannot log in to the remote storage device

Abnormal disconnection from LUN

The storage pool of the remote storage device is offline

Inconsistent replication links between storage devices

32. Enterprise F uses ERP systems, OA systems, Windows and Linux operating systems in the production environment. Among them, the total amount of ERP system data is not large, but the daily data update volume is relatively large and the data update volume is not large. But the total amount of data is not very large. The total amount of OA system data is large, but the data operating system and application software are updated from time to time every day.

For this enterprise backup strategy choice, which of the following is true? (Multiple Choice)

The OA system is suitable for incremental backup, and a full backup is done monthly or weekly

The ERP system is suitable for a full backup every day

For the operating system and application software, only one incremental backup needs to be done after each system update or installation of new software

While choosing the backup strategy, the enterprise needs to plan and design the backup window and recovery window at the same time

33. Which of the following statements are true about Huawei hybrid flash storage? (Multiple Choice)

Support SAN and NAS integration

Support iSCSI, FC protocol

Support NFS, CIFS protocol

Support HTTP and FTP protocols

34. Which of the following statements are true about the high reliability architecture of Huawei's all-flash storage (Multiple Choice)

Tolerate 2 control failures at the same time

Tolerating Single Engine Failures

Tolerate the successive failures of 7 controls

Storage system components adopt dual redundant design

35. The Huawei OceanStor hybrid flash storage system used in a customer's business application has a total of three POOLs, all of which are 8D+1P RAID5. A business interruption occurred on a certain day, and engineers found some scenarios that caused the failure in the system by analyzing the logs.

Which of the following scenarios will cause the service interruption of host access to storage? (Multiple Choice)

In the fully redundant networking environment, the master controller is reset.

The POOL where the business is located is all ThinLUN and no snapshot, LIN copy, clone, and replication services are configured, and the log contains the printing information that the POOL space is full.

When the BST (Bad Sector Marker) function is disabled, BST bad sectors appear on the LU

There are the following prints in the log: [2014-01-19 08 ： 04 ： 40] [Receive a disk-fault event of the disk （ 328 ） of pool （ 2 ） from Ctrl.] [2014-01-19 08 ： 40 ： 35] [Receive a disk-fault event of the disk （ 613 ） of pool （ 3 ） from Ctrl.]

36. DME supports active operation and maintenance based on the Al policy engine. Which of the following options can be completed through the DME platform? (Multiple Choice)

Performance checks and predictions

Availability Checks and Forecasts

Capacity Checks and Forecasts

Configuration Check

37. After a remote replication is established between two sets of OceanStor 9000 devices, which of the following conditions cannot execute "Cancel the write protection of the remote replication slave directory"? (Multiple Choice)

The remote replication is in normal state and the remote replication slave directory data is complete.

The remote replication is abnormally disconnected and the directory data of the remote replication slave is complete.

The remote replication is in a split state and the remote replication slave directory data is complete.

The remote copy is in a failed state and the remote copy slave directory data is complete.

38. In the Huawei OceanStor hybrid flash storage system, which statements about the HTTP protocol are correct? (Multiple Choice)

The HTTP protocol is used to access the HTP shared directory through a browser.

The WebDav protocol is used to access the HTF shared directory through Windows network mapping.

HTTP server is the same as FT

After logging in to the server, a long-term connection is established.

To access the Common Heng directory through Windows network mapping, you need to enable the Dav function on the IS

39. A company plans to deploy a new business system due to business needs. Plan to back up every two hours. During the backup period, the data traffic will be relatively large.

The backup traffic is required to have no impact on the corporate business network; which of the following backup topologies can be used? (Multiple Choice)

LAN Free

LAN Base

Server Free

Server Base

40. The planning and design ( ) link in the Huawei data migration service process requires laboratory simulation to output an operation manual.

Planning and Design

Page 5 of 5

41. Which of the following statements about the InfoEqualizer feature of the OceanStor 9000 storage system is correct? (Multiple Choice)

A partition can only belong to one subnet

Each subnet should belong to different network segments

1 partition contains at least 2 nodes

A node can only belong to one partition

42. In Huawei storage systems, the ( ) advanced feature can create a full data copy (that is, the target LUN) of the source LUN at a specific point in time (the time when synchronization is started), and the target LUN can be read and written immediately without waiting for the background copy to complete. . (Please fill in in English)

43. Which of the following statements about distributed storage is correct? (Multiple Choice)

Can support large scale horizontal scaling

The capacity is expanded in units of nodes, and the computing power and storage space increase simultaneously

Does not support elastic EC data redundancy protection

Implement storage resource pooling and virtualization

44. Taking Huawei OceanStors all-flash storage devices as an example, which of the following descriptions about logical ports are correct? (Multiple Choice)

Logical ports are created based on bonded ports, VLAN ports or Ethernet ports

A logical port is a virtual port that carries host services

Each logical port will be assigned an IP address to carry the corresponding service

Different logical ports can be assigned the same IP address

45. A company plans to purchase two sets of Huawei all-flash storage devices, which are respectively deployed in data center A and data center B. The distance between the data centers is about 30KM, and the communication delay is less than 1ms. The peak bandwidth of the business is 10 MB/s and the average write bandwidth is 200KB/s. The peak bandwidth demand is expected to increase by 60% every year, and the bandwidth utilization rate is 70%. The current network bandwidth between the two storage devices is 200 Mbs. Which of the following statements is wrong? (Multiple Choice)

The current bandwidth can meet the current business needs

The current bandwidth cannot meet the current business needs

The current bandwidth cannot meet the service requirements of the third year

The current bandwidth can meet the business needs of the third year

46. Which of the following descriptions about smartcache are correct? (Multiple Choice)

The smart cache pool of smartcache shares the shared space with the storage pool.

smartcache is suitable for VDI applications.

smartcache is suitable for I/O-intensive scenarios where practical operations are the main focus.

smartcache is suitable for OLTP applications.