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An enterprise needs to continuously protect the data of its important business, and needs to monitor the number of LUNs without affecting the business.
According to different operations, such as: report generation, data testing, data analysis, etc. Which of the following characteristics can meet the requirements of the enterprise ()
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 ()
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 ()
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
()
In the application scenario of sequential writing, for RAID10, the more single-select disks, the better.
Which protocol does Huawei Distributed Storage Object Service use to obtain resource statistics of tenants and buckets ()
Which one of the following descriptions about the unified namespace is incorrect?
Multiple choice Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which significantly improves the reliability of the platform.
Which of the following options reflects this feature ()
IOPS is a key indicator to measure storage performance. Which of the following options will not affect the storage system’s performance
IOPS ()
Which of the following features cannot improve the performance of Huawei's hybrid flash storage products?
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 characteristics of Huawei's scale-out file storage NFS business are correct:
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.
The CSl plug-in auxiliary service provided by the Kubernetes community is implemented based on the CSI specification,
Deploy on all K8s nodes, complete volume creation/delete, mapping/unmapping, mounting/unmounting and other operations.
Multiple choices The business characteristics of Huawei Oceanstor 9000NFS are correct: (multiple choices for this question)
What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)
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:
In a relatively large backup domain, using the Simpana backup software, you can set up multiple cs, load sharing, and improve efficiency.
Rate.
Single choice In Oceanstor 9000, which of the following component applications requires license support.
Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)
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)
A storage cluster has five C72 nodes. The front and back 10CF networking mode is adopted. In the hybrid deployment of distributed system services and pairs
For storage services, the number of IP addresses that need to be planned for the front-end business network is:
Backup can be regarded as a low-level disaster tolerance. Backup is the basis of disaster tolerance. Disaster tolerance can replace backup.
Between CE6810-24S20-LI and CE6810-4854Q-EI, use high-speed Ethernet ports (such as QSFP+) and high-speed
Cables can be stacked.
Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions.
The MDS cluster in DFS provided by OceanStor9000 divides the file system metadata into a tree-like data structure.
The storage node only stores a part of the subtree after cutting.
Huawei's end-to-end active-active data center solution is divided into 6 layers, the six layers are:
Which of the following storage nodes will configure an SSD as a multi-select read cachen by default (multi-select)
The customer needs RTO=0 and RPO=0 for the application business, which disaster recovery scheme should be used?
Which of the following are Huawei's intra-city disaster recovery solutions? (multiple choice)
Which of the following options is not a typical application scenario for cloud storage:
The object storage services provided by OceanStor9000 (compatible with single-select Amazon S3 and OpenStack Swift) are all
A unified RESTful API is provided externally, and the client can access storage nodes through STfulAPI to realize data storage.
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
Regarding the networking of the Huawei Oceanstor 9000 system, which of the following option descriptions is correct?
Single choice The evolution route of big data technology is from distributed storage to cloud storage, from intelligent analysis to distributed analysis.
Regarding the split of remote replication, which of the following statements is correct?
Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system
Which of the following ideas and methods to solve the problem of QceanStor9000 DeviceManager. server is correct 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.
Single choice Which of the following is the correct power-on sequence of the Huawei Oceanstor 9000 big data storage system?
What is the automatic load balancing method that Huawei OceanStor 9000 InfoEqualizer supports by default for single selection?
In the process of handling storage failures, which of the following principles should be followed ()
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.
The object service provides online aggregation capabilities for small objects. Small objects uploaded by the client are written into the SSD cache first and aggregated into one
EC strip size, then EC calculation, and automatically save the data slice (Strip) and the parity calculated by EC (Parity) Store to HDD.
The following single-choice descriptions that do not belong to the features of the horizontally extended file storage function are:
Which of the following statements about the SmartVirtualization feature of Huawei OceanStor Hybrid Flash
The option is correct ()
Multiple choice Expressway reconstruction project A adopts the LightDC ROBO branch solution of Huawei's hyper-converged storage, which of the following
The options reflect the advantages of the program ()
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.
Bank A uses Huawei all-flash storage to carry its key services. Which of the following can provide data reliability assurance ()
The object/file interoperability feature provided by Huawei Distributed Storage is based on the way that NAS functions are superimposed on the object storage system, and what kind of file sharing access capabilities are provided on the basis of distributed object services
The multi-choice InfoEqualizer feature supports partition setting of load balancing strategies, which options are optional methods for configuring load balancing strategies
Mode()
The Huawei 3DC disaster recovery management network is divided into a disaster recovery management network and a production management network, and these two networks must be deployed separately.
Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:
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).
Regarding deduplication on the target side, which option is incorrect in the following description?
In the Huawei disaster recovery solution, at which levels can data replication be performed? (multiple choice)
Which one of the following statements about synthetic full backup is wrong? (single choice)
(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:
(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:
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.
The OceanStor backup solution architecture includes three parts: the central site, branch sites, and remote backup sites.
Only the backup system can be deployed at the backup site, not the production system.
In the Huawei dual-active disaster recovery solution, which of the following are necessary components? (multiple choice)
Which of the following special single options is mainly used for Huawei's two-site three-center disaster recovery solution?
The data replication technology used for disaster recovery can not be selected in which location?
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)
(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:
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
(Judgment) Whether the Huawei OceanStor 9000 is upgraded online or offline, it has no impact on device management.
The parameters to be considered when configuring the backup data retention strategy include the policy retention period, retention cycle, and the number of write streams.
Which of the following statements about backup networking LAN-free and Server-free is correct?
(multiple choice) Which of the following are correct in the description of the CIFS protocol?
Huawei's end-to-end active-active data center solution is divided into 6 logical levels, namely storage layer, computing layer, application layer, and network layer.
Network layer, transport layer and security layer, the design points of each layer include: (multiple choice)
The recommended scenarios for installing iDA in a virtual machine are: (multiple choice)
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
Which option is not included in the three elements of Huawei's main-standby disaster recovery program information survey?
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
The remote replication feature is mainly used in disaster recovery and backup scenarios. Which of the following statements about the remote replication feature is correct:
Which one of the following descriptions about the physical division of Oceanstor 9000 is wrong?
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
IDC's description of the characteristics of big data, which items are correct of? (Multiple choice)
For the NDMP feature of 0ceanstor9000 product, which of the following Is the description of each option incorrect?
Single-choice Which one of the following descriptions about the Oceanstor 9000Wushan file system is wrong?
Regarding Huawei hybrid flash storage, which of the following statements is correct ()
Huawei Oceanstor 9000 alarm notification methods include email notification and SMS notification
What are the necessary components included in the architecture of the N80OONAS system? (multiple choice)
In the Huawei 0ceanstor 9000 software architecture, the distributed object storage layer is built on the basis of the distributed file storage layer.
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
Single choice Which one of the following statements about unpacking and inspection is incorrect?
In the Huawei Oceanstor 9000 storage system, when a certain InfoReplicator is in a split state, the following statement
Which one is incorrect?
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)
Which of the following features in Huawei Oceanstor 9000 (C30) does not require activation of the corresponding license?
Which of the following technologies can be used to manage secure access to the N8500 NFS share? (multiple choice)
In the Oceanstor 9000 storage system, which system resources can be controlled by the Infollocator feature? (multiple choice)
Which of the following options describes the single-choice feature of Huawei Distributed Storage Intelligent Load Balancing incorrectly?
Single-choice Which of the following is the incorrect feature description of Oceanstor 9000 InfoStamaper?
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 ()
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?
TESTED 25 Apr 2024
