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(multiple choice) The daily inspection performance indicators of the big data storage system include:
(Judgment) Whether the Huawei OceanStor 9000 is upgraded online or offline, it has no impact on device management.
The backup plan can prevent the loss of production data or the data center suffers a devastating disaster, the recovery time is short, and the business continuity is guaranteed.
(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:
In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, and the average write bandwidth needs 200KB/s.
The average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. What is the bandwidth required for the application to deploy asynchronous remote replication?
Which option is not included in the three elements of Huawei's main-standby disaster recovery program information survey?
During data backup, in order to save space, single-selection data may be deduplicated, such as repeated data block A and
For block B, only one copy of data is physically saved, and the index corresponding to block A or B will be deleted.
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 N8500 V200NO01, which of the following commands can be used to check whether the status of the file system is online? ()
Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)
In the Huawei Oceanstor 9000 storage system, when a certain InfoReplicator is in a split state, the following statement
Which one is incorrect?
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 ()
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
The backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?
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 options describes the Pusi onStorago typical deployment plan correctly: (multiple choice)
Huawei’s hyper-converged storage adopts a distributed hash algorithm, and single-selects HASH calculation and local memory metadata, which can be
The bottleneck can be arbitrarily expanded horizontally.
The following options do not belong to the advantages brought by the global cache:
Multiple selections The customer value of the InfoEqualizer feature of Huawei Oceanstor 9000 (C30) is reflected in: (multiple selections)
In a 0ceanstor 9000 system, the total number of nodes is 10, and the data protection level that can be configured for it can be: (multiple choice)
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?
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?
Single choice Huawei Oceanstor 9000 FRU replacement tool does not support the replacement of which of the following modules or devices?
Regarding the split of remote replication, which of the following statements is correct?
Single choice The daily inspection performance indicators of the big data storage system include
Multiple choices, which of the following descriptions of the Huawei Oceanstor 9000 product system is correct? (multiple choices)
The following description of the characteristics of the DME architecture, which is correct to choose more ()
Multiple choices Among the following statements about the features of Huawei SmartPartition, which options are correct ()
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
In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()
The metadata in the Oceanstor 9000 object storage is mirrored to achieve redundancy between nodes. Each copy is an independent and complete
Copy to improve the security of metadata and the parallel way of metadata
Performance
Through the InfoAllocator feature, which of the following multi-select functions can be achieved by the administrator?
Regarding the remote replication technology of Huawei OceanStor all-flash storage, which of the following options are the features that it can support
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
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.
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 choice In Huawei Oceanstor 9000, which of the following is not a method of rectification supported by NFS sharing?
When a user uses Systemreporter to analyze his production equipment and selects Oceanstor 9000, he finds some nodes in a certain partition
The CPU utilization rate exceeds 80%, but the average CPU utilization rate is about 50%. In addition, it is found that the read and write bandwidth of a node has always been kept at a constant level.
More than 80% of the performance specifications, while other nodes are below 60%. In this scenario, which load balancing strategy is recommended?
After purchasing Huawei's all-flash storage devices, when planning the basic storage business, which of the following options must be planned ()
Through Huawei OceanStor9000 Device Manager, we can view the real-time OPS performance indicators of the system.
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)
Differential backup is performed once a day, and the storage period of full backup and backup data is 4 weeks, regardless of deduplication, redundancy ratio, replication, etc.
Which value should the required back-end capacity be no less than?
The network file sharing protocols supported by the NAS system mainly include: (multiple choice)
Back-to-back mode, answer mode, which completes the coding and decoding work in the FCoE protocol, is the following single-choice layer
Second-rate.
About the machine of Oceanstor 9000's 10GE networking solution
Cabinet configuration description, the following statement is wrong: (multiple choice)
Huawei Oceanstor 9000 FTP service features include: (multiple choice for this question)
Backup can be regarded as a low-level disaster tolerance. Backup is the basis of disaster tolerance. Disaster tolerance can replace backup.
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.
Which of the following descriptions of the cloud storage system is correct? (multiple choice)
Backup networking LAN-Base is one of the most common networking methods. Its advantages include: (multiple choices
An OceanStor 9000 storage system consisting of 6 P36 nodes, which of the following are composed of? (multiple choice)
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 analyzing and adjusting the factors that affect the performance of the Huawei 0ceanstor 9000 client, the steps involved are as follows:
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)
Multiple choice The following descriptions are correct for the CIFS protocol: (multiple choice)
Which of the following options does not belong to the single-spot structure of FusionStorage.
In the Oceanstor 9000 storage system, which of the following system resources can be controlled by the InfoAllocator feature?
In the master-backup disaster recovery plan, the applications that can be protected by RD currently include: (multiple choice)
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)
Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:
The back-end storage network interfaces of FusionStorage block, file, and object storage clusters must be completely isolated.
When the corresponding physical clusters share a pair of CE6800 switches, VLANs need to be divided to distinguish the back-end storage networks of different clusters. A. True
B. False
Which of the following statements about global data deduplication is incorrect: Single selection
The cloud storage system provides the ability to pool hardware resources of different vendors and specifications downwards, and supports block, file, and object storage upwards.
The protocol and APTI required for storage services, a flexible, flexible storage system.
Single-choice NFS is a method to realize disk file sharing between Unix systems. It supports
A system protocol for data in the server disk.
Single choice Regarding the performance of the hard disks under the various types of nodes of Huawei Oceanstor 9000, which one is correct in descending order?
(C)
Regarding the global deduplication technology adopted by the block service, which descriptions are correct for multiple choices ()
Single choice Which one of the following statements about unpacking and inspection is incorrect?
Which one of the following options incorrectly describes the Huawei Oceanstor 9000 file pool strategy?
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)
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:
(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:
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.
During the installation of Commserver, if cS and Agent are on the same network segment, there is no need to configure the hosts file.
Pieces.
(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:
File-level deduplication is also called single-instance storage (SIS). It checks the attributes of the files to be stored according to the index and compares them with the stored files.
For comparison, if there is no identical file, store it and update the index, otherwise only store the pointer to the existing file.
In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation
Build order.
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
LLD (Lom Level Desigm, detailed design) is to clarify the scope and scope of the network design based on the determined target network architecture.
Function deployment plan: The specific design content includes the interaction process of the important business that the customer pays attention to within the scope of the contract, and all the business is in each network element
Function allocation, design of peripheral docking relationship of network elements, docking requirements and compliance with specifications, quantitative calculation of docking resources.
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 ()
Which one of the following descriptions about the unified namespace is incorrect?
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 ()
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 the characteristics of a single file system in Huawei distributed storage, which of the following option descriptions are correct ()
Large Internet company A plans to purchase Huawei's all-flash storage series to protect its key business. Which of the following products
Products to choose from
The following is the correct statement about Huawei hybrid flash storage SmartQos I/O priority scheduling:
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:
Which of the following multiple-choice types are included in Huawei's scale-out file storage nodes?
Which of the following options is correct for the description of the multi-version function of the bucket:
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 ()
When using the InfoLocker feature for file protection, multiple file selections can be changed between which states
Regarding target deduplication, which option is incorrect in the following description?
An enterprise plans to create continuous data protection for its instant transaction business, and to ensure that users do not affect the business
In the case of business, which of the following features can achieve the requirement ()
What is wrong about quota and statistics description among the following options:
(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
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.
The SmartCache feature of Huawei hybrid flash storage is most suitable for which of the following scenarios?
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 ()
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()
TESTED 20 Nov 2024