The quota types supported by OceanStor9000 InfoAllocator are:
Single selection In the case of a single port, Huawei Oceanstor 9000 cannot implement the SMB3 Multihannel function.
Multi-selection On the LINUX client accessing the Oceanstor 9000 cluster, you can adjust the client NFS mounting parameters to improve access.
Ask performance. Regarding the adjustment of NFS mount parameters, which of the following descriptions is correct: (multiple choice)
Regarding the split of remote replication, which of the following statements is correct?
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:
Which of the following options is not a typical application scenario for cloud storage:
Among the following options that do not belong to the DFS adaptation radio layer software module in OceanStor9000 are: (single choice)
OceanStor9000 Wushan distributed file system, supports online node expansion, storage capacity and computing capacity increase linearly
Plus, and finally provide users with linearly increasing bandwidth and concurrency
Through Huawei OceanStor9000 Device Manager, we can view the real-time OPS performance indicators of the system.
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.
Multi-choice Oceanstor 9000 (C30) adds the function of internal file copy when file sharing. Which of the following operations can be performed on the client
During operation, when monitoring the Huawei Oceanstor 9000 client, will I not see the data traffic? (multiple choice)
A colleague is working on a dual-active disaster recovery plan. By testing the arbitration server to the storage system at both ends, the bandwidth is 4Mbit/s, and the delay is 4Mbit/s.
RTT≤40ms, and packet loss rate≤1%, then this scheme:
Single choice Network connection is required before the initial configuration of the big data system. The networking of Huawei Oceanstor9000 does not include
OceanStor900 uses general-purpose x86 architecture hardware to deploy Scale-out NAS system.
The realization of high concurrency and high performance is mainly based on three types of networking: IB, 10GE and PCIE. Among them, the network performance of PCIE
Better and easier to expand and manage.
Which of the following statements about the deployment of Huawei's active-active data center is correct: (multiple choice)
When OceanStor V3 creates a remote replication pair, which of the following is the default synchronization speed?
Which of the following descriptions about the snapshot backup of the OceanStor backup solution is correct: (multiple choice)
Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions.
What is wrong about managing fast storage resources in the following options:
The key technologies of OceanStor 9000 to improve the performance of object storage applications include: (multiple choice)
Single selection is the data synchronization method in Oceanstor 9000 Inforeplicator including full synchronization and incremental synchronization.
Manual or automatic trigger
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.
Single choice Huawei oceanstor 9000 has no effect on device management, whether it is an online software version upgrade or an offline upgrade version.
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
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
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.
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.
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots? A. InfoLocker
In the Huawei dual-active disaster recovery solution, which of the following situations must use Fibre Channel connection?
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes, and the customer hopes that even if three disks are broken in one strip, the data can still be restored. The available redundancy protection levels are as follows:
For a replication consistency group in a normal state, before performing a master-slave switchover, what operations need to be performed on the replication consistency group?
When using Huawei OceanStor BCManagereReplication to configure primary and secondary disaster recovery, which of the following operations is not necessary
In the use of OceanStor BCManager eReplication for disaster recovery switchover and fallback testing, the production end and disaster recovery
Both end arrays must support the snapshot feature.
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
Which of the following descriptions are correct about the data backup strategy? (Multiple choice)
In the data backup application scenario, which one of the following descriptions about the quality of the optical disc storage medium is wrong?
(multiple choice) Which of the following are correct in the description of the CIFS protocol?
The following describes the characteristics of which kind of backup networking
1. Occupy larger existing network bandwidth.
2. The backup performance is limited.
3. It has a certain impact on the host application.
In the Simpana software, the following components are included
The following description of the order of upgrade components is correct.
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.
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 disadvantage of physical tape libraries is that the hardware and mechanical failure rate is relatively high, and the single-selection tape media itself is relatively fragile and vulnerable to external environments.
Environment (temperature, humidity, dust, etc.), it is prone to failure.
In the HyperMletro dual-active data center solution, the following statement about the static priority of the arbitration and split-brain prevention mode is incorrect.
Which one is it?
It is a necessary step to create a consistency group in Huawei's active-standby disaster recovery solution.
The cascading replication disaster recovery solution establishes a cascading replication relationship for the storage devices used by the business to achieve intra-city disaster recovery + remote disaster recovery, with little impact on the performance of the production center.
Before deploying Huawei's active-active solution, the customer's current multi-selection network information that needs to be collected includes: (multiple selection)
Among Huawei's many disaster recovery solutions, which of the following scenarios can eReplication be used? (multiple choice)
(multiple choice) The daily inspection performance indicators of the big data storage system include:
The recommended scenarios for installing iDA in a virtual machine are: (multiple choice)
Which of the following statements about backup networking LAN-free and Server-free is correct?
Which of the following statements about snapshots is correct
After engineer C completes the installation of Huawei's distributed storage on site, he single-selects to power on to configure the big data service. The following about big data
In the description of the business configuration process, the options in the correct order are () 1. Create an account 2. Configure the subnet 3. Create a file system 4. Associate files
System 5. Create NameNode Zone 6. Create Global Zone
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
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
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
DME supports active operation and maintenance based on the Al&Policy Engine. After selecting the DME platform, which of the following options can be completed
A company uses Huawei Distributed Storage Object Service as a network disk resource for multiple employees. If the administrator uses quotas
Features limit the capacity usage of employees, which object quota configuration should be considered
When you need to uninstall Huawei UItraPath host multipathing software, which one of the following operations is correct?
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
An enterprise storage device generates a fault alarm. After Engineer A arrives at the customer site, he prepares to collect storage
The storage equipment information is passed to R&D for further analysis. What collection methods can Engineer A use to collect information ()
OceanStor9000 supports clients of different protocols to access the same directory or file at the same time. E.g
Windows client (CIFS protocol), Linux client (NFS protocol), Mac OS X client (CIFS protocol or
Regarding the description of the big data storage and calculation separation solution, which menu option is wrong ()
Where is the shared mapping table of HyperSnap stored?
Multiple choice Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which greatly facilitates operation and maintenance management. Down
List which options reflect this feature ()
In the Huawei HyperMetro active-active solution, when the active-active data center link fails, priority sites can be submitted first
Arbitration, so that the priority site will win the arbitration first, and can continue to provide host services
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:
An account is a credential for using an object storage service (compatible with Amazon S3 interface), and its management function does not include:
A company purchased multiple sets of Huawei distributed storage, deployed them in multiple data centers, and used object service remote replication to build a disaster recovery system.
If these distributed storages are planned in the same area, then this area has one and only one default cluster, and other clusters are non-default clusters.
Identify the cluster.
Regarding target deduplication, which option is incorrect in the following description?
In Huawei distributed storage, the block service asynchronous remote replication architecture is based on the block service cluster to build an asynchronous replication relationship.
Based on the difference data, periodically synchronize the data of the master and slave volumes. After the data synchronization of the last synchronization cycle is completed, the current synchronization cycle starts.
Initially, all data generated on the primary volume will be written to the secondary volume during this synchronization.
HDD and SSD hard drives show huge performance differences under different IO patterns. Huawei
The Append Only Plog technology in distributed storage can provide the best down-disk performance model for different hard disk types.
After a certain company created a scheduled HyperCDP plan for a period of time, it frequently prompted that the storage pool resources were not
At this time, you can choose which of the following configuration to modify the timing HyperCD plan ()
An enterprise uses Huawei OceanStor hybrid flash storage for multi-selection storage. In order to facilitate management, the administrator uses SmartQuota
The technology creates different Quota Trees on the root directory for departments A, B, and C to use separately. Regarding setting quota types, which of the following
The statement is correct ()
Among the following multiple-choice statements about concepts related to the HyperReplication feature, which options are correct ()
PCle protocol components include:
Implementation engineer A checks the interface module of Huawei hybrid flash storage OceanStor18000, which of the following statements are correct
Which of the following is the maintenance software supported by Huawei's hybrid flash storage products?
.An enterprise has applications such as key performance applications, mainstream commercial applications, archiving and printing services, and each application is independent, in order to ensure business priority
You can use SmartMulti-Tenant technology to create tenants for different businesses, and set each
Storage resources of the tenant's vStore
In the following options, the description of the bucket (Bucket) is incorrect.
When analyzing and adjusting the factors that affect the performance of the Huawei 0ceanstor 9000 client, the steps involved are as follows:
When deploying Huawei distributed storage, you can import the licenses of different service
The type of service provided by the group (block, file, big data, object).
In the era of big data, various industries will encounter challenges in the process of data processing. What challenges will the public security criminal investigation industry encounter? (multiple choices)
The application scenarios of Huawei Oceanstor 9000InfoReplicator feature include: (multiple choice)
IDC's description of the characteristics of big data, which items are correct of? (Multiple choice)
Huawei's hyper-converged storage has multiple data security assurance mechanisms. The following statement is correct ()
In Huawei 0ceanstor 9000, the client processing the write request will divide 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 then each node calculates the check data piece, and writes it to each 2 node’s
Power-saving memory. After all nodes write to power-saving memory successfully, this write operation is successful.
In scenarios where customers have high requirements for file read and write performance, if the performance calculation application scenario, the backend of Oceanstor 9000 has been
With 10GE networking, what type of network should customers recommend for the front-end business network? (Multiple choice)
Huawei Oceanstor 9000 storage system adopts hierarchical security maintenance. What is not the security content of the application layer?
The authentication methods supported by Huawei Oceanstor 9000NPS include: (multiple choice)
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 Oceanstor 9000 storage system, which system resources can be controlled by the Infollocator feature? (multiple choice)
In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()
In the Huawei Oceanstor 9000 system, if the client's access to the storage system nodes is unevenly distributed,
After re-adjusting the partition, you need to unmount the shared directory in each client and remount it with the assigned domain name
When planning the front-end service network IP address for the C72 node of Huawei Oceanstor 9000, you need to plan for each node
4 static front-end IP addresses
Which item should be in the correct order?
What is the unit that Huawei 0 ceanstor9000 provides CIFS/NFS/FTP sharing?
Multi-select Huawei Oceanstor 9000 During the software installation process, you also need to apply for some temporary IP addresses for the back-end business network.
For the description of these temporary|P addresses, the correct one is: (multiple choice)
In the Huawei storage system, which of the following statements about rolling back HyperCDP are correct ()
The authentication methods supported by Huawei Oceanstor 9000CIFS sharing include: (multiple choice)
Operation and maintenance engineer A consults the Huawei All-Flash Storage Manual about the process of hardware trusted and safe boot,
The following sequence is correct () ①Verify Grub's signature public key ②Verify the status of the software signature certificate ③Verify and load Grub④Verify
And load the OS
Which of the following features in Huawei Oceanstor 9000 (C30) does not require activation of the corresponding license?
Huawei N8000 (V200R001) clustered NAS two-node single-choice, during which the heartbeat links are redundant?
Single choice Which one of the following statements about unpacking and inspection is incorrect?