Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)
When configuring the Simpana backup software, the configurable single-selection deduplication strategy does not include:
Through Huawei OceanStor9000 Device Manager, we can view the real-time OPS performance indicators of the system.
Which of the following problems may be faced in the management of massive big data?
Single choice What file system does Huawei Oceanstor 9000 use to provide a unified business access domain name?
The importance of business systems A, B, and C of an enterprise are high, medium, and low respectively. It is feasible for strategic planning according to the following description
Yes: (multiple choice)
The deduplication types supported by the Huawei OceanStor integrated backup solution are: (multiple choice)
Multi-choice Big data storage system schedule maintenance principles include: (Multi-choice)
In the Simpana backup software, which one is correct about incremental backup?
Which of the following options describe the reasons for the rapid development of enterprise-level cloud storage: (multiple choices)
Single choice Which one of the following statements about preparing the N8500 before configuration is incorrect?
Which of the following options does not belong to the single-spot structure of FusionStorage.
Which of the following backup types is correct for the order of the space occupied by the backup media 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:
The items that do not belong to the DFS adaptation single-selection layer software module in OceanStor9000 are: (single-selection)
Which of the following are Huawei's intra-city disaster recovery solutions? (multiple choice)
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.
Backup networking LAN-Base is one of the most common networking methods. Its advantages include: (multiple choices
Colleagues customize active-active disaster recovery solutions for customers. The customer already has a third-party storage system and plans to purchase a new OceanStor
In 5300 V3, the two sets of equipment are placed in two data centers to implement active-active disaster recovery. The solution:
In a customer scenario, the front-end uses a GE network and the back-end uses a 10GE network. The following options use the corresponding interface
The correct way is: A. A0-0 and A01 are connected to the back-end 10GE network, and B3-0 and B3-1 are connected to the front-end GE network
B. A0-0 and A0-1 are connected to the front-end GE network, and B3-0 and B3-1 are connected to the back-end 10GE network
C. A0-0 and B3-0 are connected to the front-end GE network A0-1 and B3-1 are connected to the back-end 10GE network
D. A0-0 and B3-1 are connected to the front-end GE network, and A0-1 and B3-0 are connected to the back-end 10GE network
What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)
Multiple choice The description about the analysis and adjustment of the Oceanstor 9000 system NAS server parameters is wrong: (multiple choice)
Huawei's end-to-end active-active data center solution is divided into 6 layers, the six layers are:
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
Which of the following storage units does the Huawei N8000 cluster NAS system use?
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:
Multiple choice The following descriptions are correct for the CIFS protocol: (multiple choice)
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
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 ()
eDevLun refers to the volume of third-party heterogeneous devices connected to Huawei Storage.
When selecting storage devices, if the business requires a single hard disk IOPS greater than 3000, which of the following hard disk types can be selected
select()
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.
In the following statement about the features of Huawei SmartQuota, which options are correct to choose ()
The following statements about Thin lun and multi-select Thick LUN of Huawei Oceanstor storage are wrong:
Which feature can provide file system snapshot features?
Which of the following are multiple-choice products of the OceanStor 18000 storage series?
With Huawei’s intelligent distributed storage products, clusters can only provide block storage and object file storage connections for upper-layer applications.
The following description of the characteristics of the DME architecture, which is correct to choose more ()
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.
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()
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
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.
Regarding the remote replication technology of Huawei OceanStor all-flash storage, which of the following options are the features that it can support
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 ()
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 ()
Regarding the features of the multiple NameNode functions of Huawei's distributed storage products, which of the following statements is correct?
()
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
The object service provides multi-tenant management capabilities, and the data in the single selection of different tenants can be physically
Isolation makes it easy to divide resources.
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 SmartQuota feature of Huawei Oceanstor hybrid flash storage, you can select the capacity quota limit or file number configuration.
For the same directory, user or user group, the two quota limit methods cannot be selected at the same time.
.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
Smart City A plans to purchase Huawei's distributed storage to store its traffic surveillance video. Which of the following products are available ()
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 ()
Which of the following statements are correct regarding the snapshot LUN of Huawei hybrid flash storage devices ()
An enterprise has multiple applications such as desktop cloud, database, video-on-demand application, backup, etc., which occupies a large amount of storage resources.
Plan to enable deduplication and compression features. Which of the following options are recommended for configuration
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)
A company wants to deploy a set of big data platform. It is preliminary estimated that the number of files in the entire cluster can reach trillions.
With a single NameNode file number exceeding 100 million, the primary/standby mode of the native HDFS MameNode can meet the demand.
The application scenarios of Huawei Oceanstor 9000InfoReplicator feature include: (multiple choice)
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.
Huawei's hyper-converged storage has multiple data security assurance mechanisms. The following statement is correct ()
728 (single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
A Cabinet-->Switch-->KVM--->Node
B Cabinet-->KVM-->Switch--->Node
C Cabinet-->Switch-->Node--->KVM
D Cabinet-->Node-->KVM--->Switch
You can use the InfoLocker feature of Oceanstor 9000 to meet the business scenario of one write and multiple read
Single selection In which of the following situations, the Huawei Oceanstor 9000 system will not start load balancing?
Among the following statements about the features of Huawei HyperMirror, which options are correct for multiple selections
Single selection In the Huawei Oceanstor 9000 system, which of the following functions or parameters will be disabled will affect the InfoTier function?
Single-choice NAS storage system realizes file system sharing, and the underlying protocol uses iSCSI for data transmission
Oceanstor 9000 adopts Erasure code technology to protect multiple selection data. If a period has 7 nodes,
And if the customer wants the disk utilization to reach at least 70%, the available redundancy protection levels are: (multiple choice)
An enterprise plans to purchase a set of storage equipment, and its business has different requirements for storage performance.
Which of the following descriptions is wrong when performing hard disk selection, planning and design
Which of the following types of nodes provided by Huawei Oceanstor 9000 include? (Multiple choices)
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 load balancing method does the Huawei Oceanstor 9000 InfoEqualize feature support?
Huawei Oceanstor 9000 alarm notification methods include email notification and SMS notification
Regarding the description of the data protection function of the Huawei Oceanstor 9000 system, which of the following options is incorrect?
There are two businesses A and B in the storage system of an Internet company.
resource. This leads to longer time for other businesses. Among them, business is a transaction processing application, B business is an analytical query application,
Need to ensure the immediate response of A business. In order to solve this problem, the engineer assigned that the QOS of the A service is higher than the service.
Which one of the following descriptions about InfiniBand technology is wrong?
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.
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.
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)
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 value of Huawei Oceanstor 9000infoTier is reflected in: (multiple choice)
Which of the following are the advantages or capabilities of Huawei FusionInsight? (Multiple choice)
Which of the following descriptions of the software components of the Huawei 0 ceanstor 9000 product is correct?
Which of the following options describes the single-choice feature of Huawei Distributed Storage Intelligent Load Balancing incorrectly?
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?
indivual?
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.
Among Huawei's many disaster recovery solutions, which of the following scenarios can eReplication be used? (multiple choice)
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).
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)
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
Which one of the following statements about synthetic full backup is wrong? (single choice)
What are the advantages of parallel data deduplication: (multiple choice)
Before deploying Huawei's active-active solution, the customer's current multi-selection network information that needs to be collected includes: (multiple selection)
(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:
What are the system debug log levels of eReplication? (multiple choice)
(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
In the file system backup scenario, under the premise of satisfying the backup window and making full use of bandwidth, try to ensure that the backup strategy is independent and timely.
Between the separation.
The following descriptions about the OceanStor backup solution are multiple choices: (multiple choices)
(multiple choice) The daily inspection performance indicators of the big data storage system include:
(single choice) In which of the following situations, the Huawei OceanStor 9000 system will not start load balancing?
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots?
(Judgment) The InfoLocker feature of OceanStor 9000 can be used to meet the business scenario of one write and multiple read.
(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?
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.
In a disaster recovery solution, Huawei remote replication technology is used and a consistency group is established. Which of the following statements is correct?
(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:
Initiate quiescing of the application before the snapshot, and then trigger the hardware storage snapshot to create an application-consistent snapshot copy. Via snapshot
The backup copy is used for data backup, eliminates the data backup time window, does not interrupt the production system business at all, and achieves the difference of data
Save it locally and improve the reliability of the data.
The data replication technology used for disaster recovery can not be selected in which location?