Multi-selection After launching Oceanstor 9000 deployment, the deployment tool interface prompts "Unsuccessful connection". The possible reasons are: (multiple-selection)
A The deployment tool and deploy version do not match
B. The network connection between nodes is unstable
C. deploy process does not exist
Multiple choice The health status of the Huawei Oceanstor 9000 system cluster includes: (multiple choice)
Regarding the description of the technical principle of the DCL small bitmap in remote replication, which items are incorrect
of ?
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?
IDC's description of the characteristics of big data, which items are correct of? (Multiple choice)
The following description of the cache in Huawei 0 Ceanstor 9000
Which one is wrong?
The storage device generates a fault alarm. Which of the following methods cannot collect storage system faults?
information( )
During the offline upgrade of Huawei Oceanstor 9000 software version, there will be a single selection of interrupt service operation, and the service interruption time depends on the upgrade.
execution time
Single choice In Huawei Oceanstor 9000, which of the following is not a method of rectification supported by NFS sharing?
About the machine of Oceanstor 9000's 10GE networking solution
Cabinet configuration description, the following statement is wrong: (multiple choice)
Multiple choice The description about the analysis and adjustment of the CIFS transmission size of the Oceanstor 9000 system is wrong: (multiple choice)
In Oceanstor 9000, if the data protection level is set to 4+2, the corresponding metadata will generate 3 copies of the same Of the mirror.
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
You can use the InfoLocker feature of Oceanstor 9000 to meet the business scenario of one write and multiple read
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 ()
Scale-out is an architecture for horizontal expansion. This architecture mainly responds to the needs of rapid data growth and complex changes.
And challenges. Which of the following options are included in the characteristics of the Scale-out architecture? (multiple choice)
The quota type used by a user is capacity quota, and the single-selection of quota side is mandatory quota. The recommended threshold for this user’s capacity is
The value is 3GB, the soft threshold is 4GB, the hardware threshold is 6GB, and the grace period is 10 days. Which of the following options is incorrectly described
of?
The correct ideas and methods for 9000DeviceManager server failure are as follows to solve Oceanstor: (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
Which of the following are the advantages or capabilities of Huawei FusionInsight? (Multiple choice)
What sub-functions does the InfoProtecor of Oceanstor 9000 include? (Multiple choice)
At the time of Oceanstor 9000, Huawei adopted the characteristics of big data
Scale-out architecture and use big data storage platform launched through X86 architecture hardware
What is the unit that Huawei 0 ceanstor9000 provides CIFS/NFS/FTP sharing?
Single-select Erasure code redundancy technology used by Oceanstor 9000, which supports higher reliability and
More flexible redundancy strategy, the following is the principle of Erasure code N+M, which one describes the wrong thing?
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.
What is the incorrect description of the features of Huawei 0 ceanstor 9000lnfoTier and related concepts?
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.
Which of the following options does not belong to the characteristics of the distributed storage big data service solution single-choice solution ()
A company uses Huawei Distributed Storage Object Service to save transaction orders and enables WORM function
Yes, the administrator finds that some objects can only be read but cannot be modified, so which WORM state these objects may be in ()
Which of the following statements about the SmartVirtualization feature of Huawei OceanStor Hybrid Flash
The option is correct ()
In the application scenario of sequential writing, for RAID10, the more single-select disks, the better.
When an asynchronous remote replication relationship is established between the primary volume of the primary site and the secondary volume of the remote slave site, an initial synchronization is initiated.
After the synchronization is completed, the data status from the volume becomes complete, and then which of the following procedures is followed to complete the periodic data synchronization ()
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 ()
Single-choice SmartDedupe& SmartCompression technology in Huawei Oceanstor all-flash storage
When writing data, calculate the similar fingerprint (SFP) and weak hash fingerprint (FP) at the same time, if the fingerprint already exists in the local fingerprint table,
Then perform online deduplication; if it is new data, perform compression and save similar fingerprints, and then perform background deduplication.
Which of the following multiple-choice steps need to be performed in the deployment and implementation of storage solutions ()
Traditional storage controllers are centralized, which can cause performance bottlenecks. Huawei's hyper-converged FusioncCube, distributed architecture
And distributed storage makes the storage performance bottleneck disappear
Regarding the remote replication technology of Huawei OceanStor all-flash storage, which of the following options are the features that it can support
Regarding Huawei’s distributed storage multi-level caching technology, the small I0 write cache single-selected storage scenario, which of the following is the correct order ()①Enter
Based on the WAL log area of the SSD cache disk, return to the host to complete the write operation. ②When the memory write cache reaches a certain level, the data starts to go down
Flashing ③Data writing into RAM-based Write Cache ④Small IO will be written to the SSD cache of the node first, waiting to be aggregated into large IO Rewrite to HDD
Which of the following options is correct for the description of the multi-version function of the bucket:
Implementation engineer A checks the interface module of Huawei hybrid flash storage OceanStor18000, which of the following statements are correct
of()
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 ()
Regarding the description of the big data storage and calculation separation solution, which menu option is wrong ()
In the process of handling storage failures, which of the following principles should be followed ()
The following description of the characteristics of the DME architecture, which is correct to choose more ()
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 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
HyperCDP can generate more and more intensive recovery points for the data on the storage device. HyperCDP copies are at a certain point in time Full copy backup of source data.
Multiple choice A large Internet company A purchased Huawei hyper-converged storage multiple choice to build an IT infrastructure platform. Which of the following can be applied
Scenes()
Mean Time Between Failures (MTBF) is a description of the operation of the product
The average continuous time between failures during use or testing.
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 ()
Regarding target deduplication, which option is incorrect in the following description?
Regarding the members of Huawei's remote replication consistency group, which of the following statements is correct:
ACL can be used to grant permissions, or it can be used to prohibit single-selection restrictions.
Which one of the following descriptions about the unified namespace is incorrect?
eDevLun refers to the volume of third-party heterogeneous devices connected to Huawei Storage.
Which one of the following options is incorrect about the CIFS share configuration statement?
(single choice) In Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
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.
(multiple choice) Which node types does Huawei OceanStor 9000 support?
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
(multiple choice) The daily inspection performance indicators of the big data storage system include:
Before deploying Huawei's active-active solution, the customer's current multi-selection network information that needs to be collected includes: (multiple selection)
Regarding HyperMetro static priority arbitration mode, multiple choices are correct: (multiple choices)
The following description of eReplication is incorrect: (single choice)
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 backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?
The following features of HUAWEI cloud storage include: (multiple choice)
Which of the following are typical application scenarios of Huawei's active-active disaster recovery solution? (multiple choice)
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.
(Judgment) Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.
(Judgment) The InfoLocker feature of OceanStor 9000 can be used to meet the business scenario of one write and multiple read.
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.
The disadvantages of choosing cloud storage as a backup medium are: (single choice)
In a disaster recovery solution, Huawei remote replication technology is used and a consistency group is established. Which of the following statements is correct?
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 is correct in IDC's description of the characteristics of big data?
Among Huawei's many disaster recovery solutions, which of the following scenarios can eReplication be used? (multiple choice)
In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation
Build order.
(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:
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?
What thresholds can be set for eReplication? (multiple choice)
Send a control command through the backup server, first take a snapshot (or other similar operations) of the data volume that needs to be backed up,
Make a copy, then use the backup server to mount the snapshot volume, and use the backup server to back up the data on this volume to the backup
On the device. What type of backup networking is described in the above workflow?
Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:
(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:
Single selection As shown in the “Oceanstor 9000 Network Diagram”, 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?
Before designing a backup plan, you need to conduct research. What aspects need to be considered during the research? (multiple choices)
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)
Huawei's end-to-end active-active data center solution is divided into 6 layers, the six layers are:
Which of the following problems may be faced in the management of massive big data?
The backup management system includes backup management software and backup management server. Which of the following items can be managed? (multiple choice) A. Backup network
B. Backup strategy
C. Read data from the backup client
D. Write data to backup media
Which node types does Huawei OceanStor 9000 support?
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
Single-choice Which of the following options does not belong to the software module included in Huawei's Oceanstor 9000 product?
If the user has logged in to Simpana before installation and single-selected Administrative Console, the installed section after logging in
The point cannot be displayed in the client list (not even after refreshing). At this time, you need to exit the Simpana Administrative Console and then
Log in again to see the newly installed node.
Single choice In Oceanstor 9000, which of the following component applications requires license support.
Which of the following are Huawei's intra-city disaster recovery solutions? (multiple choice)
The following description of the backup domain of the OceanStor backup solution is wrong:
When OceanStor V3 creates a remote replication pair, which of the following is the default synchronization speed?
Single-choice Which one of the following descriptions about the trembling characteristics of Huawei Oceansor 9000 is incorrect?
The backup software architecture of the ceanStor backup solution includes: (multiple choice)
With version 10 of Simpana software, Commserver supports not only installation in Windows operating system, but also installation
In the Linux operating system.
The following are unstructured data applications: single selection
A customer unit purchased 9 OceanStor9000 storage nodes. When planning and deploying, it requires any three hard disks and one storage node to fail, which does not affect the integrity of the data, and the overall storage space utilization rate is not less than 80%. Proportioning
Is:
In the deployment scenario of FusionStorage file service, the customer deployed 10 FusionStorage nodes and two
Management network switch, the number of IP addresses that need to be assigned to its management network at this time is:
Single choice Which one of the following statements about the features of oceanstor 9000 InfoLocke is incorrect?
What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)
In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
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.
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.