H13-624 HCIP-Storage V5.0 Questions and Answers
Regarding the characteristics of a single file system in Huawei distributed storage, which of the following option descriptions are correct ()
In the special single-selection feature of Huawei OceanStr Hybrid Flash Storage SmartQuota, the system will check the configuration for every I/O operation.
The amount of used capacity and the number of files, plus the incremental capacity and files of this operation, will it exceed the hard quota? If it exceeds, then operate
Failure, otherwise the operation is successful.
The QoS characteristics of object services. For applications with different priorities, different buckets can be configured, and the TPS of the bucket can be controlled through QoS.
As well as the allocation of bandwidth resources; for VIP tenants and ordinary tenants in the same system, different QoS strategies can be configured to ensure high-quality
The quality of service for advanced tenants.
Regarding the high-reliability architecture of Huawei ' s all-flash storage, which of the following statements are correct () A. Tolerate 7 successive failures
B. Storage system components adopt dual redundant design
C. Tolerate single engine failure
D. Tolerate simultaneous failure of 2 controls
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
HyperCDP can generate more and more intensive recovery points for the data on the storage device. HyperCDP copies are at a certain point in time Full copy backup of source data.
Single-select the incorrect description of the Huawei Oceanstor 9000 software module-item
The big data service supports the use of the resource statistics function of the file system, and which file system resources can be statistically checked
Inquiry()
What are the key technologies included in InfoTurbo features () Multiple choice
Regarding the multi-NameNode concurrency characteristics of Huawei ' s distributed storage products, which of the following statements are correct ()
The Huawei SmartPartition feature supports setting the same read and write cache capacity for partitions without multiple selections, as follows
Regarding the impact of cache capacity on services with different characteristics, which options are correct () A. For sequential services, the cache capacity does not need to be large, and only needs to meet the I/O consolidation requirements
B. For write business, more cache capacity means higher write merge rate, write hit rate and better
Order of visits
C. For the read business, more cache capacity means a higher read hit rate
D. For random services, a larger cache capacity means a better order of access to disks, thus bringing
Performance improvement
Which of the following are multiple-choice products of the OceanStor 18000 storage series?
A bank’s production center and disaster recovery center both use Huawei’s hyper-converged storage products. The two centers communicate Disaster recovery through asynchronous replication. The copied network type can support GE/10 GE/25 GE
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.
In Huawei distributed storage, SCSI volumes with multiple mount points are called shared volumes, and iSCSI volumes are all shared volumes. In order to support
Shared volume backup capability, block service also supports snapshots of shared volumes, and the snapshot process of shared volumes is the same as that of ordinary volumes.
The HyperLock (WORM) feature of Huawei Storage enables the single-selection of files to be written only once, cannot be written repeatedly, and is not allowed to be modified, deleted, or renamed.
An account is a credential for using an object storage service (compatible with Amazon S3 interface), and its management function does not include:
Which of the following is the maintenance software supported by Huawei ' s hybrid flash storage products?
ACL can be used to grant permissions, or it can be used to prohibit single-selection restrictions.
Huawei Oceanstor 9000 integrates the hard disk resources of all nodes through DFS to provide a unified external name space.
The single-choice NAS system focuses on storing and managing which of the following types of data?
Single choice Which of the following is not a feature of the Huawei WushanFS file system
A Performance and capacity can be expanded separately
B. Fully symmetrical distributed architecture,
C. Metadata nodes Metadata is evenly distributed, eliminating the performance bottleneck of metadata nodes
D. Support 40PB single file system
Huawei Distributed Storage Object Service provides finely controlled Qos capabilities, providing tenants, buckets
Other TPS and bandwidth granular service quality control can precisely control which operations ()
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.
After the file system snapshot is successfully created, if the file system user wants to access the snapshot,
You need to remount the snapshot directory to access it.
Which of the following statements about Oceanstor 9000 maintenance is incorrect?
When deploying OceanStor 9000 through the deployment tool, the IP entered in the " IP address range " in the " DHCP configuration " area
The address is only used temporarily during the deployment process. After the deployment is successful, the IP address of each node is modified to the IP address planned in the configuration file
The Persistence layer of Huawei’s distributed storage provides single-select persistence storage capabilities, EC and multiple copies capabilities.
PlogClient provides the append only access capability of Plog.
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 ()
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 ()
In order to improve the reliability of its important business, an enterprise deployed in a data center room A and room B
With regard to the local active-active solution, which of the following statements is correct about this solution:
In the deployment scenario of FusionStorage file service, the customer deployed 10 FusionStorage nodes and two
Management network switch, the number of IP addresses that need to be assigned to its management network at this time is:
HyperMetro guarantees the real-time synchronization of data between the storage arrays of the two sites through the cross-site data real-time mirroring function.
The data center array needs to record the write log when it receives the write I/O. Only the address information is recorded in the log, and the specific write data content is not recorded. The log
Use memory space recording with power-down protection capability to obtain good performance.
The customer put forward the requirement of RPO=0 and RTO=0, and the colleague chose to single-select the primary and standby synchronous remote replication disaster recovery plan.
Case:
Which of the following service interfaces does the Huawei N8000 clustered NAS system provide?
Multiple choice Ooceanstor 9000 Ifollocator supports quota types: (multiple choice)
The customer needs RTO=0 and RPO=0 for the application business, which disaster recovery scheme should be used?
In the HyperMetro active-active data center solution, data centers A and B are included. When the array of data center A fails
At the time, which of the following statements is correct: (multiple choice)
A customer unit purchased 9 OceanStor9000 storage nodes. When planning and deploying, it requires any three hard disks and one storage node to fail, which does not affect the integrity of the data, and the overall storage space utilization rate is not less than 80%. Proportioning
Is:
Single choice If a client of Huawei Oceanstor 9000 requires that after one of its connection channels fails, other channels can be used
Continue to transmit data without interruption of business, one of the necessary conditions is that the client must support the SMB3.0 protocol
If the user has logged in to Simpana before installation and single-selected Administrative Console, the installed section after logging in
The point cannot be displayed in the client list (not even after refreshing). At this time, you need to exit the Simpana Administrative Console and then
Log in again to see the newly installed node.
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:
C72 is " a large-capacity archive node device with a height of 4U, but it can also be fully equipped with 272 SAS disks to accommodate one
Some scenarios with relatively high performance and capacity requirements.
Regarding source deduplication and destination deduplication, the correct multiple choice is: (multiple choice)
Single choice Which one of the following statements about preparing the N8500 before configuration is incorrect?
With version 10 of Simpana software, Commserver supports not only installation in Windows operating system, but also installation
In the Linux operating system.
Which of the following storage nodes will configure an SSD as a read cache by default: (multiple choice)
The following descriptions of the software features of the QceanStor 9000 system are correct:
Multi-choice Big data storage system schedule maintenance principles include: (Multi-choice)
The correct ideas and methods for 9000DeviceManager server failure are as follows to solve Oceanstor: (multiple choice)
The transmission protocol used by the management network of the object storage service (compatible with OpenStack Swift) is:
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 Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs to be 10MB/s for single selection, and the average write bandwidth needs to be 200KB/s, and the average write bandwidth is 200KB/s.
The I/O volume is 4KB. The bandwidth utilization rate is 70%. How much bandwidth does the application need to deploy synchronous remote replication?
In the data backup application scenario, compared with physical tape libraries, which of the following descriptions belong to the characteristics of disk backup media?
(Multiple choice)
In the HyperMetro active-active data center solution, if there is a bad block on a LUN of an array member, the following statement is incorrect.
Which one?
Which of the following are the advantages or capabilities of Huawei FusionInsight? (Multiple choice)
Which of the following features in Huawei Oceanstor 9000 (C30) does not require activation of the corresponding license?
In the Oceanstor 9000 storage system, which system resources can be controlled by the Infollocator feature? (multiple choice)
Regarding Huawei hybrid flash storage, which of the following statements is correct ()
(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
In Huawei’s local high-availability solution, if the HyperMirror feature is adopted, which feature must also be used to correct the difference?
The structure stores the entire column to create a mirror.
(Judgment) Whether the Huawei OceanStor 9000 is upgraded online or offline, it has no impact on device management.
What is the main difference between using synchronous remote replication and asynchronous remote replication in the Huawei disaster recovery solution?
In a backup structure with a primary backup domain and multiple branch backup domains, the following description is wrong:
(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:
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
A company requires less storage space and a short backup window when data backup is required. At this time, we recommend that the company use
Which type of backup?
Which of the following multiple options can be used for the intermediate link in Huawei ' s disaster recovery dual-active solution? (multiple options)
(single choice) The network connection is required before the initial configuration of the big data system. The networking of Huawei OceanStor 9000 does not include:
In the Huawei OceanStor backup solution, when configuring the backup software to create a storage strategy, you need to consider which of the following configurations
Module, (multiple choice)
In the Huawei disaster recovery solution, at which levels can data replication be performed? (multiple choice)
Before deploying a disaster recovery plan, which information needs to be collected to choose more? (multiple choices)
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).
(single choice) The network connection is required before the initial configuration of the big data system. The networking of Huawei OceanStor 9000 does not include:
Regarding the storage layer data replication disaster recovery technology, which of the following statements is correct?
The storage capacity of site A is 2543GB. The storage capacity of site B is 3000GB. The storage capacity of site B is 3000GB.
The backup data is remotely copied to site A and saved. Consider the case of replication compression, the compression ratio is 3, and the back-end storage capacity required by site A is calculated.
What is the amount?
The disaster recovery system can copy business data to a local or remote data center for protection. Heng is not all data damage/
Loss can be recovered, which of the following data damage cannot be recovered by the disaster recovery system? (multiple choice)
E. Hard disk failure
F. Virus attack
G. Human misoperation
H. Business data center is paralyzed
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.
(single choice) In which of the following situations, the Huawei OceanStor 9000 system will not start load balancing?
In the HyperMetro dual-active data center solution, the quorum server mode has higher reliability than the static priority mode.
It can ensure the continuous operation of the business under various single point of failure scenarios. Therefore, Huawei ' s dual-active solution recommends the use of the arbitration server model. A. True
B. False
(multiple choice) The network file sharing protocols supported by the NAS system mainly include:
The data replication technology used for disaster recovery can not be selected in which location?
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots? A. InfoLocker
B. InfoStamper
C. InfoProtector
D. InfoEqualize
When selecting the type of data backup, which option is wrong in the following description?
In the following description of the asynchronous remote replication of the OceanStor V3 storage array, which one is wrong?
In a data backup management system, in the case of low requirements for backup performance, it is not necessary to configure media services separately
The media server module and the management server module can be installed on the same physical server.
In the Huawei dual-active disaster recovery solution, which of the following situations must use Fibre Channel connection?
In the Huawei dual-active disaster recovery solution, which of the following are necessary components? (multiple choice)
Which of the following statements about backup networking LAN-free and Server-free is correct?
In a disaster recovery solution, Huawei remote replication technology is used and a consistency group is established. Which of the following statements is correct?
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)
When using Huawei OceanStor BCManagereReplication to configure primary and secondary disaster recovery, which of the following operations is not necessary
of?
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:
(multiple choice) Which of the following is correct in IDC ' s description of the characteristics of big data?
The backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots?
(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:
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 the Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.
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
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
Which of the following options belong to the enhanced features of Huawei InfoTurbo: (multiple choice)
Which of the following descriptions of the cloud storage system is correct? (multiple choice)
The backup management system includes backup management software and backup management server. Which of the following items can be managed? (multiple choice) A. Backup network
B. Backup strategy
C. Read data from the backup client
D. Write data to backup media
When using Huawei OceanStor Toolkit V100R001 to perform the inspection operation, which one of the following is not included in the inspection wizard? ()
In the OceanStor V3 storage system, regarding the remote replication consistency group, what is wrong?
Which of the following options is incorrect about the description of the bucket (Bucket) is:
Which of the following descriptions is correct?
1. The goal of backup is to prevent human misoperation or system problems. It saves historical data and the recovery time is relatively long. 2. Backup
Solutions are usually implemented using snapshot, mirroring or replication technology.
In the VMware environment, the single-choice scenario where VADP cannot be used for backup is: A. Thick Disk
B. Thin Disk
C. The storage is directly connected to the virtual machine
D. VMDK
Which of the following are Huawei ' s disaster recovery solutions? (multiple choices)
In the VMware backup scenario, in the non-SAN transfer mode, the backup data is transferred to the VSA through the ESXi host.
Write to backup media via MA.
A user plans to deploy an active and standby disaster recovery system. The distance between the active and standby sites is about 1000KM. The RPO is required to be less than 1 minute.
It is recommended to use asynchronous remote replication.
Which of the following are typical application scenarios of Huawei ' s active-active disaster recovery solution? (multiple choice)
Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:
Single-choice Oceanstor 9000 ' s wiselink and smartconnecet technologies are different, which one of the following?
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.
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:
Single choice Which one of the following statements about the features of oceanstor 9000 InfoLocke is incorrect?
The following is an incorrect description of the principle of data deduplication technology, which is the single choice?
The following description of the FusionStorago management network is incorrect: A. A node where DSS/OMS/FSM is deployed, two interfaces form a logical bond interface, and one pipe is allocated to the bond interface.
Manage the network IP address.
B. Only deploy FusionStorage file or object storage services, the first 3~5 nodes in the cluster are used as management nodes, and 1 is assigned to them
Each management network IP address will automatically float on the NIC1 interface of these nodes.
C. The Mgmt interfaces of all storage nodes are connected to the management switch, and each node is assigned a management network IP address.
D. When FusionStorage file or object storage services are deployed in a mixed manner, select at least one object node as the management node (management section).
The total number of points does not exceed 5). And assign a management network IP address to it, and it will automatically float on the NIC1 interface of these nodes.
Multiple Choices What are the advantages of Huawei OceanStor 9000 clustered NAS technology over traditional NAS storage systems? Multiple choices
Which of the following interface modules is used for upgrading firewall software and other advanced debugging on SX6018:
Store the data block in the cache first, and then de-duplicate the tree when the system is idle. The advantage is that it does not affect the performance of data transmission.
The point is that additional storage space is required. " What kind of deduplication technology is described above,
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?
In the deployment scenario of FusionStorage file service, the customer deployed 10 FusionStorage nodes and two
Management network switch, the number of IP addresses that need to be assigned to its management network at this time is:
For the description of Huawei Oceantor9000 products, which of the following options is incorrect?
A storage cluster has five P36 nodes, using the front and back 10GE networking mode. The front-end service network provides two 10GE interfaces.
When deploying distributed file system services and object storage services in a mixed manner, the number of IP addresses that need to be planned for the front-end business network is: A.11
B.21
C.31
D.41
OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes and the customer
If the user wants to ensure that the data can be recovered even when three disks are damaged in one strip, the redundancy protection levels that can be used are:
In the storage planning and design process, which of the following is not part of the business single selection planning process ()
Single selection A company has multiple services such as database applications, OLTP applications, mail service applications, and Web server applications.
The SmartCache feature does not significantly improve the performance of the following business scenarios ()
Large e-commerce company A purchased Huawei ' s hyper-converged storage products to build a private cloud. Which of the following options reflect the advantages of the product ()
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
Which protocol does Huawei Distributed Storage Object Service use to obtain resource statistics of tenants and buckets ()
Single-selection Huawei’s hyper-converged storage uses a single-selection structure of distributed storage logic architecture. Which of the following is the function of the OSD module ()
What is wrong about quota and statistics description among the following options:
Parallel deduplication is highly reliable. The built-in failover capability enables uninterrupted backup operations,
Even if one node is unavailable in the grid, the remaining nodes can continue to work and take over the backup. The failed node is automatically repaired in the background, and then add
Enter the network to continue working.
A bank’s production center and disaster recovery center use Huawei’s hyper-converged storage, and replication between sites
The link is recommended to be within 3000 KM, the minimum connection bandwidth is not less than two-way 10 Mbps, and the average write bandwidth of the replication volume is less than that of remote replication
bandwidth.
Hyper-convergence is a data center architecture that can uniformly collect computing capacity, file storage, memory, and network, and is like a public entity.
Independent management.
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 multi-choice InfoEqualizer feature supports partition setting of load balancing strategies, which options are optional methods for configuring load balancing strategies
Mode()
A company deploys a set of multi-select Huawei distributed storage in data center A and data center B, mainly using block servers
It supports application-related services such as databases and virtual machines, and uses the active-active feature of block services to cooperate with upper-layer applications to ensure business continuity.
For this dual-active scenario, which of the following option descriptions are correct ()
Back Question Mode Answer Mode Which of the following authentication methods are supported by CIFS?
In the HyperMetro active-active data center solution, you need to configure the active-active domain before configuring the dual-single-selection active-active pair.
The active-active domain is a logical concept, which can include two sets of storage arrays and quorum servers that need to create active-active relationships.
Object service provides a wealth of object resource (bucket or object) access permission control capabilities, of which ACL can only
Used to prohibit permissions, and cannot grant permissions.
Traditional storage controllers are centralized, which can cause performance bottlenecks. Huawei ' s hyper-converged FusioncCube, distributed architecture
And distributed storage makes the storage performance bottleneck disappear
There are two types of services in the storage system of an Internet company: sequential single-selection service A and random service B. These two
Businesses often compete for cache resources in the process of reading and writing. Which of the following characteristics solves this problem
The block service provides a linked clone mechanism and supports the creation of multiple snapshots based on a cloned volume. Each snapshot volume has just been created
The data content at the time of arrival is consistent with the data content in the clone volume, and subsequent modifications to the clone volume will not affect the original snapshot and other clones
roll.
An enterprise needs to provide continuous data insurance policy selection for its instant transaction business, so it has created a timed data LUN for this business.
HyperCDP plan, which of the following configurations can shorten the RPO as much as possible ()
Regarding the characteristics of Huawei ' s hybrid flash storage block service, which of the following statements is correct ()
Which of the following features cannot improve the performance of Huawei ' s hybrid flash storage products?
A company deployed multiple block service applications on the same Huawei distributed storage device, including daily backups, database organization, and ticketing.
According to periodic settlement, the administrator finds that these services will extremely consume system resources during a certain period of time. If it occurs during working hours, it will affect
Affect other interactive businesses. Administrators use QoS features to limit the consumption of storage resources by these services according to their occurrence time period.
Avoid affecting production business or interactive business. Administrators should consider which resources to restrict ()
The QoS characteristics of object services. For applications with different priorities, different buckets can be configured, and the TPS of the bucket can be controlled through QoS.
As well as the allocation of bandwidth resources; for VIP tenants and ordinary tenants in the same system, different QoS strategies can be configured to ensure high-quality
The quality of service for advanced tenants.
An enterprise mail application service has limited storage resources, so a quota is set for the business user, and the soft quota for user A is 500 MB.
The hard quota is 800 MB. Under this configuration, which of the following statements are correct ()
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 luck
Dimension quality ()
Bank A uses Huawei all-flash storage to carry its key services. Which of the following can provide data reliability assurance ()
Bank A purchased Huawei’s hybrid flash storage, which uses encrypted hard disk technology to enhance business data
The security, which of the following statements are correct ()
Which of the following functions are included in the eService LLDesigner tool?
Single choice, the underlying virtualization of the N8000 cluster NAS system is realized through the VxVM component. The virtual objects managed by VxVM are: VM
Disk, Disk Group, Subdisk, Pick, which one of the following explanations is correct?
In the era of single-choice big data, traditional technology upgrades can no longer meet the needs of big data processing. Which of the following is not big data era)
The direction of technology development?
What are the necessary components included in the architecture of the N80OONAS system? (multiple choice)
After purchasing Huawei ' s all-flash storage devices, when planning the basic storage business, which of the following options must be planned ()
The intelligent load balancing technology in Huawei ' s distributed storage supports partitions, and each partition can be set independently.
Established domain name and load balancing strategy.
The application scenarios of Huawei Oceanstor 9000InfoReplicator feature include: (multiple choice)
In the feature of Huawei Oceanstor 9000InfoReplicator. Pair is a data replication relationship, which describes data replication
The source and destination of the, the following statement about the state transition of the Pair is incorrect (multiple choice)
In order to ensure performance and improve disk utilization in Huawei Oceanstor 9000, it is recommended that you
The stripe value is set for the piece size. Which one of the following describes the wrong stripe setting?
InfoReplicator supports splitting the Pair, that is, temporarily suspending the data between the master and slave directories
Synchronize. If the user wants to restore the data synchronization of the Pair and re-maintain the same data in the master and slave directories, they only need to create a new one manually.
Pair is OK
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.
Single-choice Oceanstor 9000 will determine whether the space occupied by the node pool in the destination hierarchy is higher than the read-only water before performing re-striping.
If it is lower than the read-only water level, re-striping can be carried out, otherwise no striping will be carried out.
Which of the following options does not belong to the single-selection structure of Huawei ' s distributed storage network architecture
When planning and designing storage solutions, if customers pay attention to the satisfaction of performance, which of the following aspects should be planned and designed () A. Network bandwidth
B. Hard disk type C.
Number of hard disks
D. RAID level
Regarding the Huawei Oceanstor 9000 software version upgrade, the correct statement is: (multiple choice)
Back question mode, answer mode, single select a company to create a file system for its real-time chat business, and timed and fast
According to this, every time the storage system generates a new snapshot, it will automatically use the snapshot
Use the Oceanstor systemReporter report tool to monitor the Oceanstor 9000 and the resources that can be monitored
Objects include: (multiple choice)
A customer uses Huawei Oceanstor 9000 to store its massive files. In order to facilitate sharing among multiple departments, a
Dedicated catalog. After running for a period of time, the storage resources became tense, analyze the reason is that some departments are overused
0ceanstor9000, so the customer can limit the use of space by setting quotas on the directories of these departments
To ensure that other departments can use 0ceanstor 9000 storage resources normally
Single-select a Huawei Oceanstor 9000 cluster site, configure 4 P36 nodes, and use the back-end IB networking, regardless of temporary conditions.
In this case, how many back-end storage network IP addresses should be planned?
When analyzing and adjusting the factors that affect the performance of the Huawei 0ceanstor 9000 client, the steps involved are as follows:
In the 0ceanstor 9000 system, a node pool refers to a collection of nodes with the same characteristics (physical type/access specific energy).
Dynamic hierarchical storage allows the physical nodes in the same file system to be divided into different node pools.
During the offline upgrade of Huawei Oceanstor 9000 software version, there will be a single selection of interrupt service operation, and the service interruption time depends on the upgrade.
execution time
IDC ' s description of the characteristics of big data, which items are correct of? (Multiple choice)
Huawei ' s hyper-converged storage products have a strong consistent replication agreement. The application writes a copy of data
Time, if successful, one or more copies of the backend must be consistent
Multiple selection When accessing the Windows client of the Huawei Oceanstor 9000 cluster, which aspects of the client can be adjusted
To improve access performance? (multiple choice)
Huawei ' s hyper-converged storage has multiple data security assurance mechanisms. The following statement is correct ()
When accessing the Linux client of the Huawei Oceanstor9000 cluster, the client parameters can be adjusted to improve access
Performance, which one of the following is wrong?
Regarding the networking of the Huawei Oceanstor 9000 system, which of the following option descriptions is correct?
In a city, if the Municipal Public Security Bureau needs to regularly archive the video surveillance within the jurisdiction of each police station, in such an application
In the scenario, if the solution provided by Oceanstor 9000VIRC30 is adopted, which of the following node types should be recommended for customers?
In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()
A company’s business runs on Huawei’s distributed storage, where user data services use block services.
And turn on the deduplication function. In the peak period of user data business, it is necessary to give priority to ensuring the performance of the front-end business. Which heavy method will the storage system use?
()
If the Huawei N8000 clustered NAS system has 4 engine nodes and each node has 4 service network ports, you need to plan
How many virtual IPs?
For the NDMP feature of 0ceanstor9000 product, which of the following Is the description of each option incorrect?
A TV station uses a Huawei hybrid flash storage device with FC networking to store videos. When I use it recently, it occasionally appears
The video screen freezes. Engineer A will troubleshoot the fault after arriving at the site. Which of the following is the correct troubleshooting method ()
The storage device has two controllers, A and B. If the BBU of controller A fails, which one of the following describes
is correct(
During the maintenance of the Huawei Oceanstor 9000 system, a dedicated person is required to keep the system root password. Pay attention to the password when passing the password.
Try to avoid sending passwords via email.
Single-choice through Huawei Oceanstor 9000 DeviceManager, we can view the real-time OPS performance indicators of the system.
In the Huawei 0ceanstor 9000 software architecture, the distributed object storage layer is built on the basis of the distributed file storage layer.
If there is a third-party cabinet in the equipment room, the inspection contents of the third-party cabinet include: (multiple choice)
For security reasons, it is generally impossible to access resources across domains. But OceanStor 9000 supports
The Crossdomain Policy File mechanism allows other domains to have access to OceanStor9000 and realize cross-domain data
Source access.
Regarding the split of remote replication, which of the following statements is correct?
In N8500 V200NO01, which of the following commands can be used to check whether the status of the file system is online? ()
Which of the following options describe the reasons for the rapid development of enterprise-level cloud storage: (multiple choices)
The items that do not belong to the DFS adaptation single-selection layer software module in OceanStor9000 are: (single-selection)
Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions.
Single choice What file system does Huawei Oceanstor 9000 use to provide a unified business access domain name?
Backup networking LAN-Base is one of the most common networking methods. Its advantages include: (multiple choices
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