Which of the following options is correct for the description of the multi-version function of the bucket:

An enterprise plans to purchase a set of storage equipment. According to the IOPS requirements of the enterprise’s business, a single hard disk needs to be stored

The supported IOPS is 3000. Considering the cost factor, it is recommended to use which of the following hard drives best meets the requirements of the enterprise

Designed FlashLink technology. Which of the following statements are correct for the cold and hot data diversion technology ()

Regarding the read cache process of Huawei's distributed storage multi-level cache technology, which of the following read hits is the priority ()

The InfoEqualizer feature partition is used to separate nodes of different services. A partition contains a group of nodes. These nodes

What are the same characteristics of points ()

To access the object storage service (compatible with the OpenStack Swift interface), which of the following types of servers must be authenticated by the user.

A company purchased a set of Huawei distributed storage to provide object storage and file storage services. The administrator is in the system

In the system, users can use object and file services at the same time by allowing HTTP access.

Engineer A finds an abnormality in the storage during the daily inspection, and calls the Huawei technical support hotline for help, and technical support instructs engineer A

Complete the collection of information of the business host. The operating system of the business host is Linux, which of the following collected commands are correct ()

(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes,

And the customer wants to ensure that the data can be recovered even if three disks are broken in one strip, the redundancy protection levels that can be adopted are:

(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?

Which of the following special single options is mainly used for Huawei's two-site three-center disaster recovery solution?

Regarding the storage layer data replication disaster recovery technology, which of the following statements is correct?

The built-in scripts of the disaster recovery management software OceanStor BCManagereReplication are for Oracle, SQL Server

The application supports one-click failure recovery. Which of the following steps is not included in one-click failure recovery?

In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, and the average write bandwidth needs 200KB/s.

The average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. What is the bandwidth required for the application to deploy asynchronous remote replication?

In the local high-availability solution using Huawei HyperMirror, which of the following statements is correct? (multiple choice) E. You only need to connect Huawei OceanStorV3 storage to the business host.

F. Both Huawei OceanStorV3 storage and heterogeneous storage need to be connected to the business host.

G. Heterogeneous storage does not need to be connected to the business host

H. You only need to connect heterogeneous storage to the business host.

Before deploying a disaster recovery plan, which information needs to be collected to choose more? (multiple choices)

Which of the following is the correct sequence of steps in the design of a disaster tolerance solution? A. Storage capacity and disaster tolerance bandwidth calculation. B. Compatibility

recognize. C. Selection of disaster recovery plan. D. Network design. E. Design of disaster tolerance function.

(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:

What are the system debug log levels of eReplication? (multiple choice)

The peak write bandwidth of an application is 10MB/s, the average write bandwidth is 200KB/s, and the average write IO size is 4KB (private

The information overhead is about 11%, and the bandwidth utilization rate is 70%). Use FC networking and set to synchronous remote replication mode (consider private

If there is information overhead), which is the correct requirement for network bandwidth?

The backup plan can prevent the loss of production data or the data center suffers a devastating disaster, the recovery time is short, and the business continuity is guaranteed.

After testing, the bandwidth of the two data centers of the customer is 155Mbit/s, the peak write bandwidth of an application is 9.8MB/s, and the average

The write bandwidth is 300KB/s, the average write I/O size is 4KB., and the bandwidth utilization rate is 70%. Colleagues choose active and standby synchronous remote replication for disaster recovery

Scheme, the scheme:

The backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?

It is a necessary step to create a consistency group in Huawei's active-standby disaster recovery solution.

Based on the HyperMirror technology of the Huawei OceanStor storage array to achieve application-level local high availability, heterogeneous array failure

Zero data loss and zero business interruption (RPO=0, RTO=0).

What thresholds can be set for eReplication? (multiple choice)

In the Huawei data protection plan, the failure types are divided into multiple selection logic errors, equipment failures, data center failures, and zone failures.

Territorial disaster. Among them, the ones with the highest "annual frequency" and "single loss" are: (multiple choice)

The VSA is installed on the virtual machine, and the MA is installed on the physical machine. Scenarios where this kind of backup networking is not applicable:

The following descriptions about the OceanStor backup solution are multiple choices: (multiple choices)

In a backup structure with a primary backup domain and multiple branch backup domains, the following description is wrong:

There are 1040GB files that need to be backed up, the backup window is 6 hours, and the GE network and media end deduplication, then the following statement is correct

Yes: (multiple choice)

(Judgment) Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.

(multiple choice) In an OceanStor 9000 system, the total number of nodes is 10, and the data protection levels that can be configured for it are:

In the Huawei remote replication solution, which of the following statements is correct?

1. Synchronous remote replication technology can achieve RTU=U, RPO=0,

2. Write data directly to the local storage, and quickly roll back and restore data through snapshot technology

E. A.1 wrong 2 right

F. B. 1 wrong 2 wrong

G. C. 1 pair 2 pairs

H. D. 1 right 2 wrong

The disaster recovery feature of a storage product has an RPO of 30 minutes and an RTO of 15 minutes. Which of the following statements is correct: (multiple choice)

Which of the following are typical application scenarios of Huawei's active-active disaster recovery solution? (multiple choice)

Multiple choices, which of the following descriptions of the Huawei Oceanstor 9000 product system is correct? (multiple choices)

When planning the IP address of the back-end storage network of the OceanStor 9000 IB network deployment plan, you need to plan for each node

2 back-end storage IP addresses and 1 temporary IP address

The following is an incorrect description of the principle of data deduplication technology, which is the single choice?

The minimum number of nodes required for an OceanStor9000 cluster deployment is:

Huawei storage products provide data center active-active solutions based on HyperMetro. By classifying services,

Part of the business is dominated by data center A, and data center B is hot standby, and some of the businesses are dominated by data center B, and data center B

For hot standby, in order to achieve the effect of dual-active.

What is wrong about the concept description of object storage service (compatible with OpenStack Swift interface) among the following options:

Which of the following options are the shortcomings of HDFS components? A. Remote replication feature is not supported

B. Low hardware fault tolerance

C. File system performance bottlenecks are likely to occur under large-scale deployment

D. Low capacity utilization and high cost

In the Huawei storage system, which of the following statements about rolling back HyperCDP are correct ()

In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()

Multiple selections The customer value of the InfoEqualizer feature of Huawei Oceanstor 9000 (C30) is reflected in: (multiple selections)

Regarding the HyperMetro static priority arbitration mode, the correct one is:

In the Oceanstor 9000 storage system, which system resources can be controlled by the Infollocator feature? (multiple choice)

The quota type used by a user is capacity quota, and the single-selection of quota side is mandatory quota. The recommended threshold for this user’s capacity is

The value is 3GB, the soft threshold is 4GB, the hardware threshold is 6GB, and the grace period is 10 days. Which of the following options is incorrectly described

of?

Scale-out is an architecture for horizontal expansion. This architecture mainly responds to the needs of rapid data growth and complex changes.

And challenges. Which of the following options are included in the characteristics of the Scale-out architecture? (multiple choice)

In Oceanstor 9000, if a hard disk is offline for 15 minutes, the data on the hard disk will be restored as follows: system.

Calculate the data on the hard disk and restore these data to other normal hard disks.

Single-choice Which of the following is the incorrect feature description of Oceanstor 9000 InfoStamaper?

Regarding the switches used in the Huawei Oceanstor 9000 system, which of the following options are correct?

Operation and maintenance includes a variety of capability requirements, not only product technology, but also management systems, processes, etc.

Elements.

In the Huawei 0ceanstor 9000 software architecture, the distributed object storage layer is built on the basis of the distributed file storage layer.

Single-choice through Huawei Oceanstor 9000 DeviceManager, we can view the real-time OPS performance indicators of the system.

Multi-selection After launching Oceanstor 9000 deployment, the deployment tool interface prompts "Unsuccessful connection". The possible reasons are: (multiple-selection)

A The deployment tool and deploy version do not match

B. The network connection between nodes is unstable

C. deploy process does not exist

When a user uses Systemreporter to analyze his production equipment and selects Oceanstor 9000, he finds some nodes in a certain partition

The CPU utilization rate exceeds 80%, but the average CPU utilization rate is about 50%. In addition, it is found that the read and write bandwidth of a node has always been kept at a constant level.

More than 80% of the performance specifications, while other nodes are below 60%. In this scenario, which load balancing strategy is recommended?

The correct statement about the Huawei Oceanstor 9000lnfoTier node pool is: (multiple choice)

There are many service support system functions in the N8500 clustered NAS system, such as NFS and ClFS basic service groups. Which is as follows

One is not an NFS service group resource agent?

Object services use Bucket Policy to control access to buckets or buckets by a single user or multiple users

The access rights of the objects can control which specific object operations ()

728 (single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?

A Cabinet-->Switch-->KVM--->Node

B Cabinet-->KVM-->Switch--->Node

C Cabinet-->Switch-->Node--->KVM

D Cabinet-->Node-->KVM--->Switch

The authentication methods supported by Huawei Oceanstor 9000CIFS sharing include: (multiple choice)

Erasure Code N+M implemented in Oceanstor 9000

The principle of redundancy technology, which one is wrong in the following description?

Single selection In the Huawei Oceanstor 9000 system, which of the following functions or parameters will be disabled will affect the InfoTier function?

About the machine of Oceanstor 9000's 10GE networking solution

Cabinet configuration description, the following statement is wrong: (multiple choice)

In CIFS file sharing, when the client adopts the SMB3.0 protocol, in a single connection channel

After failure, SMB3.0 Multichannel automatically uses other channels to continue to transmit data.

There are two businesses A and B in the storage system of an Internet company.

resource. This leads to longer time for other businesses. Among them, business is a transaction processing application, B business is an analytical query application,

Need to ensure the immediate response of A business. In order to solve this problem, the engineer assigned that the QOS of the A service is higher than the service.

Single choice In Huawei Oceanstor 9000, which of the following is not a method of rectification supported by NFS sharing?

The authentication methods supported by Huawei Oceanstor 9000NPS include: (multiple choice)

PCle protocol components include:

Which options are correct in the following statements about the features of Huawei HyperVault ()

A company uses Huawei Distributed Storage Block Service to run data services, and the development team needs to use business data for

Data mining and testing without affecting business data. Which of the following descriptions are correct

An enterprise’s business data is stored in two data centers, and storage devices from different vendors are deployed.

The SmartVirtualization feature can be used to host and create original LUNs on heterogeneous storage systems in each data center

eDevLUN, and then create an asynchronous remote replication between the eDevLUN and the local LUN on the Huawei storage system at another site to achieve

Data disaster recovery between sites.

Multiple single-selection A multinational company has a huge business, with customer business data scattered in multiple locations, and the distance between locations is greater than 1000 km. Should

Enterprises hope to centrally manage the backup data of each site so that users can analyze and analyze all data without affecting normal business.

Mining: If any business site suffers a disaster, the enterprise can take over the business and perform data recovery. In this case, the company should choose

Which disaster recovery backup plan ()

Huawei’s hybrid flash storage supports the integration of NAS and SAN. The software protocol stacks of the two single-selection are completely parallel. In terms of resource allocation and

Convergence on the management plane.

A company purchased a set of Huawei distributed storage, and used QoS flow control technology to control user I/O when deploying block services.

Control, which mechanism can be used to manage the I/O queue ()

The object service provides multi-tenant management capabilities, and the data in the single selection of different tenants can be physically

Isolation makes it easy to divide resources.

Which of the following is not a component that must be single-selected in the architecture of the NAS system?

Multiple choice A large Internet company A purchased Huawei hyper-converged storage multiple choice to build an IT infrastructure platform. Which of the following can be applied

Scenes()

In the Huawei HyerMetro active-active solution, when the active-active data center link fails, it will enter the "waiting for synchronization" state.

To quickly restore services, you can choose to force start the local storage system or the remote storage system to continue to provide services for the host. At this time, the active-active business status

Will enter "normal".

The creation of logical ports is based on physical Ethernet ports, bonded ports or VLANs, and is mainly used for business operations. At the same time, need

Designate the main port, when the main port fails, the service will be taken over by the failover port

An enterprise purchased a set of Huawei hybrid flash storage system, and multi-selected plans to configure NAS services to facilitate file storage and

Sharing, which of the following options are correct in planning and design ()

The InfoTier feature stores files in different classifications according to the difference of file attributes. Which options are not the basic list that constitutes a classification?

Bit()

Which of the following types of data storage and management options are the NAS systems focused on?

A company purchased a set of Huawei horizontally extended file storage for the video surveillance system, and configured the InfoRevive feature

When providing fault-tolerant functions for video surveillance systems, which fault-tolerant modes can be selected

In the following RAID levels, if 2 hard drives in the RAID fail, what options are there for data loss ()

Single Choice Company A plans to adopt hyper-convergence to realize the rapidly changing information needs of the enterprise. The following items are the architectural features of hyper-convergence

()

The NAS storage system implements file system sharing, and the underlying protocol uses iSCSI for data transmission.

The game live broadcast platform A uses Huawei’s all-flash storage to protect its business.

Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order

Which of the following descriptions of the C72 node management interface is correct: (multiple choice)

In the Huawei OceanStor backup solution, if the retention time and retention cycle of backup data are configured to be 13 days and 2, respectively,

The actual backup is a 3-day cycle, so how many days are the data retained?

More than IDC's description of big data characteristics. Which of the following is correct?

In the five-step method of disaster recovery plan design, which is the correct sequence of the following steps in the design process? A. Disaster recovery plan selection →> compatibility confirmation → storage capacity and disaster tolerance bandwidth calculation -> network design ->Disaster tolerance function design

B. Disaster recovery solution selection-→>Network design →Storage capacity and tolerance →>Disaster bandwidth calculation ->Compatibility confirmation ->Disaster tolerance function design

C. Compatibility confirmation>Network design->Storage capacity and tolerance→Disaster tolerance function design->Disaster tolerance solution selection->Disaster bandwidth calculation

D. Compatibility confirmation→>Network design→Storage capacity and tolerance->Disaster belt-curtain computing->Disaster tolerance solution selection->Disaster tolerance function design

In an OceanStor 9000 system, the total number of nodes is 10, and the data protection levels that can be configured for it can be:

In the feature of Huawei OceanStor 9000 InfoEqualizer, a partition is a collection of a group of nodes. These nodes are used for partitioning.

Provides different services every other time, with the same dynamic domain name, static domain name and automatic load balancing characteristics.

The back-end storage network interfaces of FusionStorage block, file, and object storage clusters must be completely isolated.

When the corresponding physical clusters share a pair of CE6800 switches, VLANs need to be divided to distinguish the back-end storage networks of different clusters. A. True

B. False

Single selection In the case of a single port, Huawei Oceanstor 9000 cannot implement the SMB3 Multihannel function.

In a customer scenario, the front-end uses a GE network and the back-end uses a 10GE network. The following options use the corresponding interface

The correct way is: A. A0-0 and A01 are connected to the back-end 10GE network, and B3-0 and B3-1 are connected to the front-end GE network

B. A0-0 and A0-1 are connected to the front-end GE network, and B3-0 and B3-1 are connected to the back-end 10GE network

C. A0-0 and B3-0 are connected to the front-end GE network A0-1 and B3-1 are connected to the back-end 10GE network

D. A0-0 and B3-1 are connected to the front-end GE network, and A0-1 and B3-0 are connected to the back-end 10GE network

Single-choice Huawei oceanstor 9000, the client processing the write request will fragment the data according to the protection level specified by the file

The data piece is written to the power-saving memory on the corresponding node, and the check data piece is calculated by each node and written to each node.

Power-saving memory, after all nodes write into power-saving memory successfully, this write operation is successful.

Colleagues customize active-active disaster recovery solutions for customers. The customer already has a third-party storage system and plans to purchase a new OceanStor

In 5300 V3, the two sets of equipment are placed in two data centers to implement active-active disaster recovery. The solution:

Colleagues customized Huawei’s primary and backup disaster recovery solutions for customers. Customers have already selected one set of OceanStor 2600TV2 and one set of third

In the storage system of the third party, the two sets of equipment are placed in two data centers to implement the main and backup disaster recovery. This solution:

The deduplication types supported by the Huawei OceanStor integrated backup solution are: (multiple choice)

The basic principles of daily maintenance of big data storage systems include:

For the description of Huawei Oceantor9000 products, which of the following options is incorrect?

Single-select a customer who plans to store a large number of files in a certain directory of Huawei Oceanstor 9000. Most of these files are of the same size.

Between 64-128K, in order to improve hard disk utilization and read and write performance, how big should be the strip of files in the file directory?

Multiple choices The business characteristics of Huawei Oceanstor 9000NFS are correct: (multiple choices for this question)

The initial data capacity of an application is 500GB. The backup frequency is 1 full backup every week, 6 additional backups, full backup and additional backup

The data retention period is 4 weeks, and the redundancy ratio is 20%. Then the back-end storage capacity for 4 weeks is:

Which of the following options is incorrect about the description of the bucket (Bucket) is: