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With version 10 of Simpana software, Commserver supports not only installation in Windows operating system, but also installation
In the Linux operating system.
Before designing a backup plan, you need to conduct research. What aspects need to be considered during the research? (multiple choices)
Which of the following problems may be faced in the management of massive big data?
The following description of the Huawei OceanStor backup solution, which one is wrong
Among the following options that do not belong to the DFS adaptation radio layer software module in OceanStor9000 are: (single choice)
It is a necessary step to create a consistency group in Huawei's active-standby disaster recovery solution.
(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?
(multiple choice) The daily inspection performance indicators of the big data storage system include:
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.
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
(multiple choice) Which of the following are correct in the description of the CIFS protocol?
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.
About the machine of Oceanstor 9000's 10GE networking solution
Cabinet configuration description, the following statement is wrong: (multiple choice)
InfoReplicator supports splitting the Pair, that is, temporarily suspending the data between the master and slave directories
Synchronize. If the user wants to restore the data synchronization of the Pair and re-maintain the same data in the master and slave directories, they only need to create a new one manually.
Pair is OK
Which of the following features in Huawei Oceanstor 9000 (C30) does not require activation of the corresponding license?
ACL can be used to grant permissions, or it can be used to prohibit single-selection restrictions.
Which protocol does Huawei Distributed Storage Object Service use to obtain resource statistics of tenants and buckets ()
A company purchased a set of Huawei horizontally extended file storage for the video surveillance system, and enabled the read and write fault tolerance of the InfoRevive feature
The mode provides data fault tolerance and configures the data protection level of EC to 4+1. If 2 pieces of data are invalid,
How does InfoRevive feature guarantee business continuity and availability
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 ()
If the alarm indicator of the storage controller enclosure is yellow, it indicates that the storage system has a critical alarm.
In the process of handling storage failures, which of the following principles should be followed ()
Which of the following features cannot improve the performance of Huawei's hybrid flash storage products?
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 ()
The IntoTier feature is also called automatic hierarchical storage, which stores files on storage devices with the same performance according to file attributes, and
Realize the automatic migration of files between storage devices.
Which one of the following descriptions about the unified namespace is incorrect?
Which of the following statements are correct regarding the snapshot LUN of Huawei hybrid flash storage devices ()
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 ()
DME supports active operation and maintenance based on the Al&Policy Engine. After selecting the DME platform, which of the following options can be completed
()
An enterprise plans to purchase Huawei all-flash storage equipment to deploy storage single-selection services. In order to ensure the security of storage business data, storage
The device cannot communicate with the external network. After the storage device is deployed, you can configure the eService service to manage the operation and maintenance of the storage device, and improve
Improve the efficiency of operation and maintenance.
In the Huawei hybrid flash storage series storage system, which of the following is the wrong description of the relationship between the logical ports of IP drift?
The block service provides a linked clone mechanism and supports the creation of multiple snapshots based on a cloned volume. Each snapshot volume has just been created
The data content at the time of arrival is consistent with the data content in the clone volume, and subsequent modifications to the clone volume will not affect the original snapshot and other clones
roll.
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 ()
In Huawei distributed storage, SCSI volumes with multiple mount points are called shared volumes, and iSCSI volumes are all shared volumes. In order to support
Shared volume backup capability, block service also supports snapshots of shared volumes, and the snapshot process of shared volumes is the same as that of ordinary volumes.
SmartDedupe in Huawei hybrid flash storage can only be supported by file systems with Thin features.
During the data migration process of SmartMigration, the data request issued by the host I/O is communicated.
Synchronize to the source LUN and target LUN in real time by double-write to ensure that the data after the migration is completely consistent. The following statements about double-write are correct.
It is true:
Regarding the read cache process of Huawei's distributed storage multi-level cache technology, which of the following read hits is the priority ()
Which options are correct in the following statements about the features of Huawei SmartPartitian ()
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 SmartCache feature of Huawei hybrid flash storage is most suitable for which of the following scenarios?
Which of the following options is correct for the description of the multi-version function of the bucket:
Maintenance Engineer A In order to better operate and maintain Huawei OceanStor 6810 V5 equipment, refer to related product manuals to understand its features.
Which of the following options describe the product characteristics that are correct
A bank’s production center and disaster recovery center use Huawei’s hyper-converged storage, and replication between sites
The link is recommended to be within 3000 KM, the minimum connection bandwidth is not less than two-way 10 Mbps, and the average write bandwidth of the replication volume is less than that of remote replication
bandwidth.
The hardware snapshot of the OceanStor backup solution supports storage devices from all vendors.
Multiple Choices What are the advantages of Huawei OceanStor 9000 clustered NAS technology over traditional NAS storage systems? Multiple choices
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.
In the HyperMletro dual-active data center solution, the following statement about the static priority of the arbitration and split-brain prevention mode is incorrect.
Which one is it?
In the following description of the asynchronous remote replication of the OceanStor V3 storage array, which one is wrong?
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.
In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation
Build order.
(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
The storage capacity of site A is 2543GB. The storage capacity of site B is 3000GB. The storage capacity of site B is 3000GB.
The backup data is remotely copied to site A and saved. Consider the case of replication compression, the compression ratio is 3, and the back-end storage capacity required by site A is calculated.
What is the amount?
(multiple choice) The daily inspection performance indicators of the big data storage system include:
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 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.
(multiple choice) The network file sharing protocols supported by the NAS system mainly include:
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
Single-choice Which one of the following descriptions about the Oceanstor 9000Wushan file system is wrong?
Which of the following scenarios is more suitable for adopting the FusionInsight Hadoop technology of Huawei Oceanstor9000? (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?
What is the incorrect description of the features of Huawei 0 ceanstor 9000lnfoTier and related concepts?
In the Oceanstor 9000 storage system, which system resources can be controlled by the Infollocator feature? (multiple choice)
Single-select the incorrect description of the Huawei Oceanstor 9000 software module-item
Single choice Which one of the following descriptions about the VCS service in the clustered NAS system is incorrect?
Single-choice through Huawei Oceanstor 9000 DeviceManager, we can view the real-time OPS performance indicators of the system.
The Oceanstor 9000 big data storage system includes multiple subsystems. Which subsystem is used for file storage?
Huawei Oceanstor 9000 storage system adopts hierarchical security maintenance. What is not the security content of the application layer?
Huawei N8000 (V200R001) clustered NAS two-node single-choice, during which the heartbeat links are redundant?
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 the 10GB network of Huawei 0ceanstor 9000, the switch CE6850-48S4Q-EI can be used. About the switch description.
The correct one is: (multiple choice)
Single-choice Which of the following is the incorrect feature description of Oceanstor 9000 InfoStamaper?
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?
In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()
What are the necessary components included in the architecture of the N80OONAS system? (multiple choice)
Which one of the following descriptions about the physical division of Oceanstor 9000 is wrong?
Before deploying and implementing storage devices, you need to plan and design storage solutions. Which of the following options are in planning and design
Action to be performed when ()
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.
Adjust the TCP parameters of LINUX clients accessing Huawei Oceanstor 9000 cluster to improve access performance.
Under the network, it is recommended to increase the size of the TCP sending and receiving buffer area to the following value, net.ipv4.tcp_rmem='4000000 8000000
16000000'net.ipv4+tcp_wmem='4000000 8000000 16000000'
Back question mode, answer mode, single select a company to create a file system for its real-time chat business, and timed and fast
According to this, every time the storage system generates a new snapshot, it will automatically use the snapshot
Before planning and designing the project, it is necessary to collect information on the project. Which of the following information collection descriptions
The statement is correct ()
In the era of big data, you should also have big data thinking. Which one of the following statements is incorrect?
Single choice Which one of the following statements about preparing the N8500 before configuration is incorrect?
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
The VSA is installed on the virtual machine, and the MA is installed on the physical machine. Scenarios where this kind of backup networking is not applicable:
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.
When using Huawei OceanStor BCManagereReplication to configure primary and secondary disaster recovery, which of the following operations is not necessary
of?
There are 1040GB files that need to be backed up, the backup window is 6 hours, and the GE network and media end deduplication, then the following statement is correct
Yes: (multiple choice)
The backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?
A user plans to deploy an active and standby disaster recovery system. The distance between the active and standby sites is about 1000KM. The RPO is required to be less than 1 minute.
It is recommended to use asynchronous remote replication.
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
In the Huawei dual-active disaster recovery solution, which of the following situations must use Fibre Channel connection?
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.
Single-choice Which of the following options does not belong to the software module included in Huawei's Oceanstor 9000 product?
Single choice Huawei Oceanstor 9000 adopts decentralized technology, the Wushan distributed file system has no performance
The bottleneck, as the number of nodes increases, storage capacity and computing power increase linearly, and ultimately provide users with linearly increasing bandwidth and concurrency
Which of the following technologies are used in the Huawei HyperVault disaster recovery solution? (multiple choice)
C72 is "a large-capacity archive node device with a height of 4U, but it can also be fully equipped with 272 SAS disks to accommodate one
Some scenarios with relatively high performance and capacity requirements.
The following description of the FusionStorago management network is incorrect: A. A node where DSS/OMS/FSM is deployed, two interfaces form a logical bond interface, and one pipe is allocated to the bond interface.
Manage the network IP address.
B. Only deploy FusionStorage file or object storage services, the first 3~5 nodes in the cluster are used as management nodes, and 1 is assigned to them
Each management network IP address will automatically float on the NIC1 interface of these nodes.
C. The Mgmt interfaces of all storage nodes are connected to the management switch, and each node is assigned a management network IP address.
D. When FusionStorage file or object storage services are deployed in a mixed manner, select at least one object node as the management node (management section).
The total number of points does not exceed 5). And assign a management network IP address to it, and it will automatically float on the NIC1 interface of these nodes.
File system backup needs to consider compatibility issues. Which of the following statements is incorrect?
When configuring primary and secondary disaster recovery, which of the following conditions must be met for the LUNs on the primary and secondary arrays?
Among the following software features of OceanStor 9000, which feature can provide file system snapshots?
Single choice Which of the following is the correct power-on sequence of the Huawei Oceanstor 9000 big data storage system?
Regarding source deduplication and destination deduplication, the correct multiple choice is: (multiple choice)
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,
TESTED 25 Apr 2024