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TESTED 23 Nov 2024
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The correct statement about the Huawei Oceanstor 9000lnfoTier node pool is: (multiple choice)
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?
Huawei's hyper-converged storage has multiple data security assurance mechanisms. The following statement is correct ()
In the software module of Huawei Oceanstor 9000, it belongs to the distributed object storage layer, not the distributed file system layer
It is: (multiple choice)
The Wushan file system in Oceanstor 9000 uses an object storage method, but only uses object storage for data.
Storage, object storage is not used for metadata
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)
Single-choice Which of the following is the incorrect feature description of Oceanstor 9000 InfoStamaper?
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
Which of the following options does not belong to the characteristics of the distributed storage big data service solution single-choice solution ()
The Huawei Oceanstor 9000 InfoTier file pool policy will determine the storage location of files created and when files are re-striped.
Which one of the following statements about the file pool strategy is incorrect?
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.
Single-choice Which one of the following descriptions about the Oceanstor 9000Wushan file system is wrong?
Single selection In the Huawei Oceanstor 9000 system, which of the following functions or parameters will be disabled will affect the InfoTier function?
Which of the following types of nodes provided by Huawei Oceanstor 9000 include? (Multiple choices)
When Huawei Oceanstor 9000 is used in large file scenarios, we should focus on its OPS,
About the machine of Oceanstor 9000's 10GE networking solution
Cabinet configuration description, the following statement is wrong: (multiple choice)
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.
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 ()
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:
The following statements about Thin lun and multi-select Thick LUN of Huawei Oceanstor storage are wrong:
Which of the following is the maintenance software supported by Huawei's hybrid flash storage products?
The SmartQoS technology of Huawei OceanStor all-flash storage supports the creation of tenant-level QoS control and documentation.
Software system QoS control, the two controls can take effect at the same time, forming a two-level QoS control.
Based on the characteristics of big data, Huawei distributed storage can adopt a single-select Scale-out architecture and use general-purpose server hardware to provide large data.
According to the storage platform.
A company purchases two sets of Huawei horizontally extended file storage, which are deployed in the production data center and the disaster recovery data center. The storage administrator needs to
To create a replication zone channel between two storage systems, which of the following option descriptions is correct ()
An enterprise administrator created a shared folder on the root directory of the file system, and created 3 different Quotas under the root directory
Tree gives manager A (Quota Iree 1), project department B (Quota Tree 2) and sales department C (Quota Tree 3) separately
use. The following statement is correct ()
Single selection Huawei’s converged storage has the function of parallel and fast data reconstruction. Data fragments are scattered in the resource pool. After a hard disk fails, the Automatic and parallel reconstruction within the entire resource pool, only the actual data is reconstructed, and no separate hot spare disk is required.
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 ()
The Huawei SmartCache feature is to form a smart cache pool of SSD disks, and divide the smart cache pool into multiple partitions.
District, different businesses cannot share districts to ensure business independence
In the following RAID levels, if 2 hard drives in the RAID fail, what options are there for data loss ()
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.
The following statements about Huawei's SamtMulti-Tenant technology are single-selected, which one is wrong ()
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
Huawei's hyper-converged storage adopts a single-selection structure of distributed storage logic architecture. Which of the following is the function of the MDC module ()
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 ()
An engineer needs to perform a snapshot rollback operation to obtain source data at a certain time in the past. Regarding this operation process, which of the following statements are
correct()
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 ()
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 ()
The game live broadcast platform uses Huawei's all-flash storage FlashLink many-core technology to ensure its business. For the many core technologies
Which of the following describes the scene of the controller partitioned by CPU ()
When using the InfoLocker feature for file protection, multiple file selections can be changed between which states
Regarding the characteristics of a single file system in Huawei distributed storage, which of the following option descriptions are correct ()
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.
The storage device generates a fault alarm. Which of the following methods cannot collect storage system faults?
information( )
Which of the following descriptions of the software components of the Huawei 0 ceanstor 9000 product is correct?
When configuring basic storage services on Huawei all-flash storage, which of the following statements are correct ()
Bank A purchased a batch of Huawei OceansStor 18500 multi-choice v5, which passed RDMA
Scale-out to expand the connection, which of the following statements are correct ()
Regarding the HyperMetro static priority arbitration mode, the correct one is:
The network file sharing protocols supported by the NAS system mainly include: (multiple choice)
What is the incorrect description of the features of Huawei 0 ceanstor 9000lnfoTier and related concepts?
In the Huawei Oceanstor 9000 system, a file pool refers to a collection of files that meet certain characteristics. The file pool policy defines
The rules of how the file pool is stored in the node pool.
The file sharing excuse provided by the Huawei 0 ceanstor 9000 system does not include which of the following options?
The following options do not belong to the advantages brought by the global cache:
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:
Which of the following options is incorrect about the description of the bucket (Bucket) is:
Single-choice Which one of the following descriptions about the trembling characteristics of Huawei Oceansor 9000 is incorrect?
Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions.
Which of the following storage units does the Huawei N8000 cluster NAS system use?
Between CE6810-24S20-LI and CE6810-4854Q-EI, use high-speed Ethernet ports (such as QSFP+) and high-speed
Cables can be stacked.
Multiple choices The business characteristics of Huawei Oceanstor 9000NFS are correct: (multiple choices for this question)
Among the following backup media, the ones that support data deduplication are: (multiple choice)
The hardware snapshot of the OceanStor backup solution supports storage devices from all vendors.
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.
An OceanStor 9000 storage system consisting of 6 P36 nodes, which of the following are composed of? (multiple choice)
Multiple Choices What are the advantages of Huawei Oceanstor 9000 clustered NAS technology to help you with N8000NAS storage systems? (Multiple choices)
Which is the wrong description about the synchronous remote replication of the OceanStor V3 storage array?
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.
Single choice Which of the following options is incorrect for the description of the metadata of the Oceanstor 9000 storage system?
What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)
What is wrong about the concept description of object storage service (compatible with OpenStack Swift interface) among the following options:
In N8500 V200NO01, which of the following commands can be used to check whether the status of the file system is online? ()
Single selection As shown in the “Oceanstor 9000 Network Diagramâ€, the node in the “Oceanstor 9000 Network Diagram†adopts the P36 node, then the NIC0 in the P36 node should be connected to the P36 node.
Which switch does it enter in the network diagram?
The system debug log level is used to identify the severity and importance of a log, and eReplication is ranked according to the severity.
The order of decrement can divide the system debug log into the following 4 levels: error, warning, operation, and debugging.
Single selection is the data synchronization method in Oceanstor 9000 Inforeplicator including full synchronization and incremental synchronization.
Manual or automatic trigger
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:
Which of the following descriptions of the C72 node management interface is correct: (multiple choice)
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.
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)
The phone is accessing the LINUX client of the Oceanstor 9000 cluster, which can appropriately reduce the number of concurrent NFS on the client.
To improve access performance
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,
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots? A. InfoLocker
B. InfoStamper
C. InfoProtector
D. InfoEqualize
(Judgment) Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.
In the Huawei dual-active disaster recovery solution, which of the following are necessary components? (multiple choice)
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.
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.
(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
On the basis of inheriting the high reliability design of OceanStor storage system, HyperMetro has newly designed some solutions
Case-level high-reliability technology maximizes the reliability of the storage active-active solution. HyperMetro’s high-reliability technology is mainly reflected in
Which of the following? (multiple choice)
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)
(Judgment) FusionStorage Block uses a unique data block slicing technology and data based on DHT Hash
The routing algorithm can evenly distribute the data of the volume to the fault domain of a larger resource pool, so that each volume can obtain a larger
IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.
(multiple choice) The daily inspection performance indicators of the big data storage system include:
Which option is not included in the three elements of Huawei's main-standby disaster recovery program information survey?
The LUN size relationship between production storage and disaster recovery storage configuration remote replication is: the capacity of the secondary LUN is greater than or equal to the capacity of the primary LUN.
(multiple choice) The network file sharing protocols supported by the NAS system mainly include:
(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:
(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
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 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
The following description of the principles of making a backup strategy is wrong:
(multiple choice) The daily inspection performance indicators of the big data storage system include:
In the data backup application scenario, which of the following descriptions belong to the characteristics of a physical tape library? (multiple choice)
Which of the following are typical application scenarios of Huawei's active-active disaster recovery solution? (multiple choice)
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
The backup situation of an enterprise application was that on February 1 (Feb 1), a single-selected full backup of all files and directories was performed, and 2
Cumulative incremental backup was performed on February 2 (Feb 2), February 3 (Feb 3), and February 4 (Feb 4).
The service disk fails, and now I want to restore to the February 4th version, what backup files are needed?
TESTED 23 Nov 2024