Pass H13-629_V3.0 Written Exam to Earn HCIE-Storage Certification

dumps2024-07-29T11:06:15+08:00

H13-629_V3.0 written exam is a required one for HCIE-Storage certification. There are 60 questions in the real Huawei H13-629_V3.0 exam, and you have 90 minutes to finish the test. The exam format is single-answer question, multiple-answer question, true or false, short response item, drag and drop item. The required passing score for the Huawei H13-629_V3.0 exam is 600. The available languages are Chinese and English. We provide the latest HCIE-Storage certification H13-629_V3.0 exam dumps, which are valuable in your preparation. Free HCIE-Storage Certification H13-629_V3.0 exam dumps are available below.

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1. A bank deploys two sets of Huawei all-flash storage, storage A is deployed in the production center, and storage B is deployed in the disaster recovery center. The planning information is as follows

(1) The business data, logs, and modification information of the transaction system database are stored in LUN01, LUN02, and LUN03 of storage A respectively.

(2) When storage A and storage B establish a remote replication relationship, the remote replication pair of LUN01, LUNO2, and LUN03 is added to the consistency group.

During data synchronization, the remote replication task of LUN02 fails. The consistency group will immediately stop the remote replication tasks of LUN01 and LUN03.

True

False

2. A company plans to deploy a disaster recovery system, requiring that when a data center-level failure occurs, the business will not be interrupted and the business data will not be lost. It plans to use a two-site three-center interconnection frame. Which of the following solutions can meet the needs?

Local high-availability architecture based on active-standby mode

Two-site three-center architecture based on dual-center active-standby mode

Two-site three-center architecture based on dual-center mutual backup mode

Two-site three-center architecture based on active-active center mode

3. An enterprise plans to purchase a storage device. According to the IOPS requirements of the enterprise business, the IOPS supported by a single storage hard disk is 3000. Considering the cost factor, which of the following hard disks is recommended to best meet the enterprise requirements?

SAS HDD

NL-SAS HDD

SAS SSD

FC SSD

4. Huawei all-flash storage devices require planning and design before deployment. Which of the following does not require planning when configuring storage networks?

Management Network

Business Networking

IP address

Heartbeat Network

5. A company's business host runs the Linux operating system (CentOS for example). When the storage engineer collects performance data, he needs to use the Linux system performance monitoring tool. Which of the following operations is wrong?

Use the top command to view CPU usage

Use the df command to view storage space

Use the iostat command to view disk IO

Use the free command to view network IO information

6. There are 96 disks in a disk domain of Huawei OceanStor hybrid flash storage system. In order to fully utilize the performance of the disks, when planning, it is recommended that the total number of LUNs in the disk domain should not be less than which item?

7. Which of the following features does Huawei OceanStor hybrid flash storage Thin LUN not support?

SmartErase

SmartDedupe

SmartCompression

SmartCache

8. Huawei's all-flash storage system automatically adds all Ethernet ports and bonded ports in the cluster to which of the following drift groups?

Silent Drift Group

VLAN drift group

User-defined drift groups

Ethernet port drift group

9. Which of the following statements about Huawei's distributed storage object storage quota feature is wrong?

Support bucket quota

Support account-level quotas

Bucket quotas can limit the upper limit of bucket capacity and the upper limit of the number of objects

Account-level quotas can set the capacity limit of an account

10. Which of the following statements about the protocol layer of Huawei's distributed storage products is wrong?

Block supports iSCSI protocol

Objects support S3/Swift access

Support big data HDFS access

File NFS access is not supported

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11. Which of the following descriptions about the eBackup backup system is correct?

The eBackup backup system can only back up FusionCompute virtual machines.

eBackup backup system supports S3 and NAS as backup storage

eBackup only supports VM snapshot technology to back up VMs

The eBackup backup system does not support data deduplication technology

12. Which of the following file protocols is not included in the file service configuration of OceanStor Pacific series products?

NFS

CIFS

NTFS

DPC

13. If you need to implement automatic disaster recovery protection for a database in BCManager, which is the complete configuration process?

Create a site -> Register storage, register host -> Create a protection group -> Create a protection policy

Discover storage, discover hosts -> register storage, register hosts -> create sites -> create protection groups -> create protection policies

Create a site -> discover storage, discover hosts -> register storage, register hosts -> create a protection policy

Discover storage, discover hosts -> create sites -> register storage, register hosts -> create protection groups -> create protection policies

14. The two-site three-center disaster recovery solution adopts the "synchronous + asynchronous cascade" networking mode. Disk array A is deployed in the production center, disk array B is deployed in the disaster recovery center in the same city, and disk array C is deployed in the disaster recovery center in a different location.

Which of the following is wrong about the introduction of this networking method?

Disk array A and disk array B establish synchronous remote replication

The data of disk array B is synchronized to array C regularly

Disk array B and disk array C establish synchronous remote replication

The production center A and the disaster recovery center B are interconnected through FC links

15. Which of the following stages does compatibility confirmation belong to during the backup solution design process?

Requirements Analysis

Implementation Process

Operation and maintenance planning

Solution Design

16. When the two-site three-center solution adopts the "active-active + asynchronous replication" networking to achieve disaster recovery, which of the following key technologies does not include active-active in the same city?

Uninterrupted access during failure

Cache-based multi-time point replication technology

Cross-center storage cluster

Regional Optimized Access

17. When formatting a newly created LUN on Huawei OceanStor all-flash storage, the LUN formatting fails. Which of the following situations will not cause this problem?

The RAID group where the LUN is located is degraded or failed.

The connection between the host and the storage is suddenly disconnected

The LUN controller was switched during the formatting process

The controller to which the LUN belongs is reset

18. Which of the following descriptions will not cause value-added service failures?

The replication links between storage devices are inconsistent

Abnormal disconnection from LUN

The serial port cannot log in to the remote storage device

The remote storage device storage pool is offline

19. The maintenance personnel found that the storage fault indicator was on. After logging into the management interface, they found that there was a RAID group degradation alarm, and directly located that a certain hard disk had a fault. By replacing the hard disk, the fault was eliminated. In this process, which of the following basic troubleshooting methods did the maintenance personnel use?

Logical reasoning

Phenomenon Analysis

Substitution method

Alarm Information Analysis Method

20. Customer M plans to use eReplication to build a disaster recovery scenario. Which of the following statements about the eReplication disaster recovery business configuration is wrong?

Creating a remote server is a must

Create protection groups based on different application types

Data and business recovery requires the creation of a recovery plan

The establishment of eReplication disaster recovery scenarios requires a license

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21. Which of the following descriptions of DME architecture characteristics is wrong?

Distributed microservice architecture, high reliability

Supports the management of large-scale storage devices. A single node can manage 16 storage devices.

The system is fully open to the north and south. It provides RESTful, SNMP, and ecological plug-ins such as Ansible to the north to connect to the upper system, and SNMP, RESTfu and other open interface protocols to connect to storage in the south.

Can only take over Huawei storage devices

22. A company purchased a set of Huawei hybrid flash storage. The host is connected to the storage through a fiber optic switch. When planning the configuration of the fiber optic switch, which of the following options is the best configuration?

Each zone contains only one host port and one storage port

Each host only needs one fiber port to connect to the switch

All ports of each fiber optic switch are divided into one zone

Always use high-end fiber switches to ensure network performance

23. A company purchased a set of Huawei hybrid flash storage to run virtualization platform services. Huawei multipath software was used on the host system and connected to the two controllers of the storage through an Ethernet switch. The storage engineer found that the host-side service was interrupted and delayed. After inspection, it was found that the active link of the multipath kept switching.

Which of the following operations can solve this problem while ensuring business reliability?

Restart the storage controller and disable automatic switchover after controller failure

Disable the automatic LUN switching function of the multipath software and restore the failed link as soon as possible.

Each host uses only one Ethernet port directly connected to the storage

Uninstall the multipath software and disable the system's built-in multipath function

24. A company plans to use remote replication between data centers A and B for data protection. Currently, there is 32 GB of production data at site A, which needs to be replicated to site B within 2 hours. The bandwidth utilization rate is about 80%. Please calculate the bandwidth required between sites A and B to meet business needs (without considering deduplication and compression). Which of the following is closest to the actual data?

10 Mb/s

15 Mb/s

20 Mb/s

25 Mb/s

25. Which of the following is not a processing step for online deduplication in OceanProtect professional backup storage?

Computing fingerprints

Fixed-length sharding

Fingerprint table comparison

Return fingerprint index

26. A company plans to use the National Day holiday when business is not busy to shut down the IT room for circuit safety inspection. After the circuit inspection is completed, the powered-off equipment needs to be powered on. Which of the following equipment power-on sequence is correct?

External power supply -> server power supply -> switch power supply -> controller box power supply

External power -> controller box power -> server power -> switch power

External power -> server power -> controller box power -> switch power

External power supply -> controller box power supply -> switch power supply -> server power supply

27. When Smart Virtualization is used to host external LUNs in a heterogeneous storage system, if read I/O requests for external LUN data do not pass through the heterogeneous storage system, where might the data be stored?

In the data volume of the local LUN

eDevLUN Cache

In the metadata volume of the eDevLUN

In the metadata volume of the local LUN

28. In the active-active solution, which of the following descriptions of storage layer planning principles is wrong?

The LUNs that make up the active-active pair must be mapped to all hosts at the same time

The local LUN and remote LUN capacities of the active-active pair are consistent

The storage pools where the LUNs that make up the active-active pair are located use the same storage media and configuration information

The LUNs that make up the active-active pair can use different RAID policies

29. Which of the following descriptions is correct when optimizing host access data in a dual-active disaster recovery system?

When two sites are deployed at a long distance, use load balancing mode

When two sites are deployed at a long distance, use cross-array IO load balancing

When two sites are deployed close to each other, use load balancing mode

When two sites are deployed close to each other, use the preferred array mode

30. Huawei's SAN migration tool does not have high requirements for the deployment platform. Which of the following supports the deployment of the migration tool?

Virtual Machine

Switch

Target storage

Source storage

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31. Huawei's AIOps-based financial management was the first in the industry to propose a full-lifecycle field volume autonomous driving concept based on a three-layer AI architecture for data storage and operation. Which of the following options is not included in the three-layer AI architecture?

Device AI

Network AI

Center AI

Cloud AI

32. Which of the following descriptions about Huawei's all-flash storage device networking is wrong?

Controllers are connected using RDMA networking

Inside the control box, RDMA networking is used between the front-end and back-end shared cards and the controller

The controller enclosure and the intelligent NVMe disk enclosure are connected using RDMA networking

Intelligent SAS disk enclosures are connected using FC networking

33. The BBUs of all controllers of Huawei OceanStor Dorado all-flash storage system have fault alarms. Which of the following descriptions is correct?

Business performance is not affected

The upper layer business 10 reading and writing will not be affected

If the device loses power unexpectedly at this time, some business data will be lost

The storage write mode is switched to write-back mode

34. Which factor does not need to be considered when planning storage backup capacity?

Backup Network

Deduplication rate

Total amount of data

Data Retention Period

35. In the two-site three-center disaster recovery solution, the solution architecture is divided into four layers. Which layer do the production host and the disaster recovery host belong to?

Disaster Recovery Management Layer

Storage Layer

Host layer

Network layer

36. Among the commonly used disaster recovery technologies, which of the following does not belong to host-based disaster recovery technology?

Database replication

Array replication

Application replication

Logical volume replication

37. In traditional data center solutions, which of the following disaster recovery technologies is recommended for use in off-site disaster recovery centers?

Asynchronous remote replication

Logical volume cloning

Synchronous remote replication

Active-Active

38. A company deployed a set of Huawei all-flash storage, and the host business accessed the storage through multiple Ethernet links. The operation and maintenance engineer found that when the Ethernet port used for the front-end business of the storage failed, the host business would be interrupted.

Which of the following planning items would not have avoided the problem in the scenario?

Planning VLAN-based IP drift

Planning IP drift based on bound ports

Planning IP drift based on logical ports

Planning IP drift based on Ethernet ports

39. Due to business needs, a company plans to migrate business data from third-party storage to newly purchased Huawei all-flash storage devices. The business host operating system is Linux, the storage device provides block services for the host, and the multipath software is the system's built-in multipath.

Before the migration, Engineer A was responsible for checking the environment. Which of the following descriptions is wrong?

View resource usage information through the top command

View disk mount information through the mount command

View multipath information through the upadmin command

View disk information through fdisk -l command

40. Which of the following troubleshooting tools can be used to replace a faulty pigtail?

Network cable tester

Fiber Optic Patch Cable

Optical power meter

Fiber optic binding tape

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41. Which of the following is not a pre-set operation and maintenance role of the unified operation and maintenance management platform DME Storage?

Security Administrator

Administrator

Operations Manager

Northbound Administrator

42. Which of the following descriptions is wrong when an engineer is replacing a storage array controller?

Before switching services to the peer controller, be sure to check on the host side that the multipath software in the system has been installed and is effective.

The master-slave controller must be switched to make the replaced controller the backup controller.

Confirm whether the dirty data of Cahce has been saved.

Before removing or inserting a controller, make sure that the service has been stopped or switched to the peer controller.

43. Which of the following factors affects the DMEStorage management specifications?

Optimization Analysis

Configuration check

Problem location

Performance Collection

44. When using the OceanProtect dedicated backup storage data backup feature to back up data in FusionCompute virtual machines, which of the following descriptions of its backup business process is wrong?

0ceanProtect dedicated backup storage calls the FusionCompute platform management interface to create a CBT snapshot for the virtual machine to be backed up.

Create a file system for storing backup data in the backup storage of OceanProtect dedicated backup storage, and mount it to the ProtectAgent host.

After the backup is completed, the 0ceanProtect dedicated backup storage notifies the ProtectAgent host to unmount the file system

For the same resource, subsequent full or permanent incremental backups will create the file system multiple times.

45. Bank M plans to build a remote disaster recovery center. The distance between the disaster recovery center and the production center is about 1000 km. When the bank is building the remote disaster recovery center, which of the following descriptions is wrong?

Network bandwidth needs to take into account the volume of business data changes in the production center.

The bank's production center and disaster recovery center need to use asynchronous remote replication technology

The write latency of the front-end application of the bank's storage system has nothing to do with the distance between the production center and the disaster recovery center.

Network bandwidth design does not need to consider the replication cycle

46. The following is a "five-step method" for disaster recovery plan design. Which of the following is the correct order of design steps?

Storage capacity consideration and disaster recovery bandwidth calculation -> Network design -> Disaster recovery solution selection -> Compatibility confirmation -> Disaster recovery function design

Compatibility confirmation -> Storage capacity consideration and disaster recovery bandwidth calculation -> Disaster recovery solution selection -> Network design -> Disaster recovery function design

Storage capacity consideration and disaster recovery bandwidth calculation -> Compatibility confirmation -> Disaster recovery solution selection -> Network design -> Disaster recovery function design

Disaster recovery solution selection -> Compatibility confirmation -> Storage capacity consideration and disaster recovery bandwidth calculation -> Network design -> Disaster recovery function design

47. UltraVR supports multiple disaster recovery technologies. In the active-standby disaster recovery solution, which of the following disaster recovery technologies is not supported?

Synchronous replication (SAN)

Asynchronous replication (SAN)

Storage Image

Host replication

48. When creating Smartligration, a Pair relationship is established between the source LUN and the target LUN. When the service data of the host changes, an I/O data write request is sent to the storage side. Which of the following methods does the storage use to ensure that the host does not need to interrupt the service during the synchronization process?

Timing synchronization

Initial synchronization

Differential synchronization

Change synchronization

49. Which of the following is a way to upgrade the controller in batches and reset it to take effect?

Alternating upgrades

Parallel upgrade

Rolling upgrade

Quick upgrade

50. Which of the following descriptions about SmartKit is wrong?

One-stop download of required tools based on operation and maintenance scenarios

Integrate operation and maintenance tools in the three fields of cloud computing, servers, and storage

Support business change simulation

Support deployment, routine maintenance, upgrades, capacity expansion and other scenarios

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51. In the virtualization scenario of the hyper-converged data center solution, which of the following functions does MCNA not include?

Database Node

Calculation function

Management Functions

Storage function

52. Which of the following options is not the protocol used by the DME Storage southbound interface?

SNMP

SSH

RESTful

Ansible

53. During the migration process, if the host cannot scan the disk mapped by Huawei storage, on which of the following sides do you need to collect system logs and application logs?

Host side

Target storage side

Storage side

Arbitration server side

54. In Huawei OceanStor Pacific series storage components, which of the following components can implement state control of distributed clusters, as well as control data partitioning rules and data reconstruction rules?

FSA

FSM

MDC

EDS

55. Which of the following options are components of Huawei's FusionCube virtualization high availability solution?

UltraVR

DFCy

FusionCompute

Distributed Storage

56. Which of the following types of disk enclosures does Huawei OceanStor Dorado all-flash storage products not support?

Intelligent NVMe disk enclosure

SATA hard disk enclosure

Intelligent SAS disk enclosure

SAS hard disk enclosure

57. In the SAN active-active solution, two arbitration servers can be deployed at the arbitration site to form a primary-standby relationship (cold standby). If all links between the primary arbitration server and the arrays at both ends are disconnected, and the backup arbitration server is connected to the arrays at both ends and the links between the active-active sites are also normal, which of the following statements is correct?

The system automatically switches to the backup arbitration server within 90 seconds after the primary arbitration server fails.

The system automatically switches to the backup arbitration server within 1 minute after the primary arbitration server fails.

The system automatically switches to the backup arbitration server within 30 seconds after the primary arbitration server fails.

The system automatically switches to the backup arbitration server within 5 minutes after the primary arbitration server fails.

58. A customer has purchased a Huawei data protection appliance. The customer's existing network environment has production hosts and storage. The customer requires that the backup service should not occupy the production environment storage network bandwidth. Which of the following networking methods should be selected when deploying the Huawei data protection appliance?

LAN Base

Server Base

LAN Free

Server LAN

59. A customer's initial backup capacity is 1T, and the average daily data increment is 10GB. The backup strategy is to perform a full backup every Monday and a differential backup every day from Tuesday to Sunday. The storage period of full and incremental data is 4 weeks. Without considering deduplication/meta-redundancy ratio/replication, please calculate which of the required backend capacity should be no less than?

4280GB

4940GB

5280GB

5940GB

60. The two-site three-center disaster recovery solution adopts the "active-active + synchronous + asynchronous parallel" networking architecture. Which of the following is wrong about its disaster switching processing?

After the off-site disaster recovery center takes over the business from the LUN, the disaster recovery center array will record the differential data for subsequent incremental recovery, shortening the time for business switchback.

Array A in production center fails, but array B in production center continues to provide services.

When both the arrays in production center A and production center B fail, the off-site disaster recovery center should first resume operations.

After the failure of array B in production center, array A in production center continues to provide services.

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61. In the backup plan, it is calculated that the storage capacity required by site A is 3000GB, and the storage capacity required by site B is 1500GB. It is now required to remotely replicate the backup data of site B to site A for storage, and the deduplication ratio during replication is 3.

Please plan what is the minimum backend storage capacity required for site A without considering the redundancy ratio?

4500GB

1500GB

2500GB

3500GB

62. The virtualized data in the storage pool consists of two parts: metadata volume and data volume. Which of the following does the metadata volume not contain?

Where the data is stored

Data volume ID

LUN ID

DCL

63. Which of the following descriptions about "automatic resource provisioning based on service level" is wrong when DME Storage manages block storage resources?

DME Storage automatically selects the storage front-end port used to create the zone.

The administrator performs zone division on the switch.

The user specifies the service level to apply for a LUN and maps it to a specified host or host group.

The administrator defines the service level and defines the ZOE policy.

64. Which of the following is not a step in the storage troubleshooting process?

Observe the fault phenomenon and collect fault information

Perform troubleshooting according to the Event Reference or Troubleshooting manual

Manually clear the network management alarm to turn off the device alarm light

Maintain the fault environment and contact technical support engineers

65. Which of the following best practice configurations for switches is correct when performing configuration compliance checks on DME Storage?

The number of switches from the host to the storage is ≤ 2

The number of paths from the host to each storage controller is ≤ 2

The number of paths from the host to each storage controller is ＞ =2

The number of switches from the host to the storage is ≥ 2

66. Which of the following layers implements the file system protocol of OceanProtect's dedicated backup storage?

Data Management Layer

Data storage layer

Data protection layer

Hardware layer

67. Which of the following virtualization technology architectures does FusionCompute 8.20 use?

ESXi

KVM

XEN

Hyper-V

68. Which of the following descriptions about OceanProtect's ROW-based permanent incremental backup is wrong?

The backup software uses ROW (Redirect-On-Write) to perform synthesis

Analyze the difference data blocks and offset positions between the incremental data and the last backup data, and overwrite the difference data into the file to obtain the latest full synthetic copy. After the copy is synthesized, a snapshot is generated.

First make a full copy of the index file of the last backup copy, and then modify the corresponding offset index according to the incremental information

The last file system snapshot, new data shards are redirected and written to the new location, omitting the intermediate synthesis process and improving backup and recovery efficiency

69. Which of the following descriptions about the performance of RAID10 and RAID5 is correct?

Continuous sequential write, RAID10 performance is better than RAID5

Continuous random read, RAID5 performance is better than RAID10

Continuous sequential read and write, RAID5 performance is better than RAID10

Continuous random read, RAID5 and RAID10 have similar performance

70. Huawei provides an end-to-end backup solution from data center to public cloud. Which of the following features does not exist?

Comprehensive production application compatibility

High backup and recovery performance

Flexible use of backup data

Increase TCO

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71. The customer's business is very important and has a large amount of data. The customer needs to have the best possible business continuity. At the same time, the customer needs to be able to provide services to the outside world even when encountering natural disasters (floods/earthquakes). If you are asked to design a disaster recovery network, which of the following networks would you choose?

Set up two data centers in the same city for active-active mode, and set up another data center in a different location for asynchronous remote replication.

Set up a data center locally and in a remote location to form an active-active disaster recovery network.

Set up two data centers in the same city to form an active-active disaster recovery network.

Set up two data centers in the same city for synchronous replication, and another data center in a different location for asynchronous remote replication.

72. When the client server resources are limited but the network bandwidth is sufficient, which deduplication strategy should be used to back up customer data to a physical tape library?

Target-side deduplication (backup media deduplication)

Target-side deduplication (backup software deduplication)

Target-side deduplication (global deduplication by backup software)

Deduplication at the source (deduplication by backup software)

73. In order to successfully manage the source device on the target device, it is necessary to stop and start the business of the application system to be migrated under the guidance of the customer. Which of the following is the correct order of start and stop operations?

Stop server application → stop upper-layer services → start server application → start upper-layer services

Stop upper-layer services → Stop server applications → Start server applications → Start upper-layer services

Stop upper-layer services → Stop server applications → Start upper-layer services → Start server applications

Stop server application → stop upper layer service → start upper layer service → start server application

74. Which of the following items in the life cycle of a storage server does not belong to the operation and maintenance period?

Operations

Model selection

Go Online

Implementation

75. Which of the following is not included in the fault classification of storage systems?

Intermediate failure

Common failure

Serious failure

Low-level fault

76. Which of the following descriptions about ProtectAgent deployment methods is wrong?

The protected resource type is OpenGauss, which is deployed on the OpenGauss host.

The protected resource type is Huawei Cloud Stack, which is deployed on an independent physical server.

The protected resource type is object storage/file set, deployed on the Linux host at the production end

The protected resource type is FusionCompute, which is deployed in the host operating system of CNA

77. Which of the following basic stages of data protection solution planning and design is in the correct order?

Research → Conceptual design phase → Outline design phase → Physical design phase → Deployment and verification

Research → Conceptual design phase → Physical design phase → Outline design phase → Deployment and verification

Research → Outline Design Phase → Conceptual Design Phase → Physical Design Phase → Deployment and Verification

Research → Outline Design Phase → Physical Design Phase → Conceptual Design Phase → Deployment and Verification

78. In an enterprise, there are multiple business systems mixed together and each business has different storage requirements. It is necessary to finely divide storage resources according to the specific business conditions. The customer hopes to allow different businesses to compete for physical storage space and achieve optimal configuration of physical storage space.

Which of the following features do we recommend to meet customer needs?

SmartThin

SmartTier

SmartCache

SmartPartition

79. In the two-site three-center disaster recovery solution, which of the following descriptions about the working principle of local active-active + asynchronous cascading (NAS) is wrong?

During asynchronous replication, newly added data will be copied to the slave F

The active-active FS writes the write request to both active-active data FSs in the two centers.

The asynchronous replication initial synchronization system automatically creates a snapshot and copies all the data in the primary FS to the secondary F

FC interconnection is recommended between active-active arrays.

80. In OceanProtect dedicated backup storage, which of the following descriptions about NAS massive small file aggregation technology is wrong?

Add new files, append the new files to new aggregates and files, and update metadata index files.

Existing file changes: Append the changed files to the new aggregate file and update the metadata index file.

Add new diaries and files: Add new aggregate files according to the directory

Delete file: Delete the file and update the metadata index file.

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81. Which of the following does not conform to the technology trend of storage management?

Improving comprehensive operation and maintenance capabilities by increasing the number of personnel

Improve problem identification through Alops

Ability to achieve autonomous closed loop of problems based on automation

Improve problem-solving capabilities through Alops

82. Which of the following descriptions about metadata is correct?

Store actual user data

Record data changes

Record the difference data that was not successfully written to the target LUN

Storage location of recorded data

83. Which of the following statements about DMEIQ is wrong?

Actively help customers monitor equipment, analyze and plan Huawei storage, server and other IT infrastructure

Using AI technology for big data analysis

Only supports web access

Running on Huawei Cloud

84. For a block storage system, to achieve disaster recovery scenarios over long distances and with limited network bandwidth, which of the following methods can be used for remote replication?

FS asynchronous remote replication

LUN synchronous remote replication

FS synchronous remote replication

LUN asynchronous remote replication

85. Which of the following descriptions about Huawei SSD Nand Flash is wrong?

The operations of reading and writing data on NAND FLASH mainly involve erasing, programming and reading.

Each Page consists of multiple B1ocks

The basic operation unit of erasing is Block

The basic unit of operation for programming and reading is Page

86. An engineer goes to a customer site to conduct a POC (Proof of Concept) performance test on the block service of Huawei's all-flash storage. Which test tool is recommended?

Vdbench

BCManager

eStor

Iperf

87. Which of the following descriptions about RTO recovery time objective is correct?

The time period from business recovery to data recovery point

The time period from data loss to data recovery point

The time period from business suspension to business resumption

The time period from business suspension to data recovery

88. Which of the following descriptions about RPO and RTO of the active-active solution is correct?

RPO=0, RTO=0

RPO>0, RTO>0

RPO>0, RTO=0

RPO=0, RTO>0

89. Which is the smallest unit in NAND FLASH internal storage that can perform programming and reading operations?

Cell

Block

LUN

Page

90. Which of the following networking methods can't achieve RPO=0 and RTO=0 for intra-city services in the two-site three-center disaster recovery solution?

Active-Active + Synchronous + Asynchronous Cascading Solution

Local active-active + asynchronous cascading

Synchronous + asynchronous cascading

Active-Active + Asynchronous + Asynchronous Parallel Solution

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91. M Company plans to build an off-site disaster recovery center with a disaster recovery distance of 1000KM. The company's daily business growth is 2GB, the data synchronization time is up to 8 hours a day, and the bandwidth utilization rate is about 70%.

In this scenario, what is the minimum bandwidth of the remote replication network to meet the demand?

702 KBps

834 KBps

785 KBps

665 KBps

92. When Engineer A was implementing storage delivery, he was unable to scan the LUN on the Linux service host. Which of the following possible causes is wrong?

The host does not have multipath software installed

Storage pool failure

Zone configuration error

Link failure

93. Huawei's Oceanstor Pacific series products provide a unified namespace for files, objects, and big data services. Which of the following descriptions about namespaces is wrong?

A namespace can only support one service among files, objects, and big data.

The objects for users to store files, set up sharing, and manage permissions are all located in this namespace

Each shared directory is a subdirectory of the namespace

Unified namespace provides users with a unified storage resource pool to achieve centralized management and allocation of storage space

94. In Huawei Oceanstor Pacific series storage components, which of the following components manages the hard disk process and performs specific I / O data storage space operations?

DPC

OSD

FSM

95. D. Which of the following accounts is used by default in ME Storage storage access policy to access storage devices?

Call Account

Access Account

Local Account

Domain Account

96. The peak write bandwidth of an application is 10MB/s, the average write bandwidth is 200KB/s, and the average write size is 4KB (bandwidth utilization is 70%).

If you need to use OceanStor storage array to achieve data disaster recovery and set it to asynchronous replication mode, what is the minimum network bandwidth required?

128Mbps

3.2Mbps

18Mbps

114Mbps

97. Which of the following is a description of the L3 level of autonomous driving network?

Automated operation + assisted analysis

Unattended and fully autonomous

Specific scenario autonomy

Full-scenario autonomy

98. Metadata is used to manage the data storage location of eDevLUN. Which of the following descriptions is correct about the storage space required for metadata?

Provided by the storage pool of the external storage system

Provided by the LUN of the local storage system

Provided by LUN of external storage system

Provided by the storage pool of the local storage system

Pass H13-629_V3.0 Written Exam to Earn HCIE-Storage Certification

Pass H13-629_V3.0 Written Exam to Earn HCIE-Storage Certification

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