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In the OceanStor V3 storage system, when the data status of the slave LUN is in which state, remote replication supports users to perform
Master-slave switching operation? (multiple choice)
The key technologies of OceanStor 9000 to improve the performance of object storage applications include: (multiple choice)
Single choice A Huawei Oceanstor 9000 group site. 6 C72 nodes are configured, and the NC0 of some of the nodes should be connected
Manage the network?
Which of the following descriptions of the cloud storage system is correct? (multiple choice)
For security reasons, it is generally impossible to access resources across domains. But OceanStor 9000 supports
The Crossdomain Policy File mechanism allows other domains to have access to OceanStor9000 and realize cross-domain data
Source access.
When the amount of backup data is large, it is recommended to use an all-in-one deployment plan instead of a separate one.
Single choice If the Huawei N8000 clustered NAS system has 6 engine nodes and 4 5500T back-end storage, each engine node has
8 business network ports, how many IP addresses need to be planned in total?
In a relatively large backup domain, using the Simpana backup software, you can set up multiple cs, load sharing, and improve efficiency.
Rate.
The following options belong to the rules for FusionStorage software deployment: (multiple choice)
Which operating systems does eReplication support? (multiple choice)
Colleagues customized Huawei’s primary and backup disaster recovery solutions for customers. Customers have already selected one set of OceanStor 2600TV2 and one set of third
In the storage system of the third party, the two sets of equipment are placed in two data centers to implement the main and backup disaster recovery. This solution:
Which is the wrong description about the synchronous remote replication of the OceanStor V3 storage array?
What is wrong about managing fast storage resources in the following options:
Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions.
Single choice Which one of the following statements about preparing the N8500 before configuration is incorrect?
In the HyperMetro active-active data center solution, if there is a bad block on a member LUN of an array, the following statement is incorrect
Which is it?
The hardware snapshot of the OceanStor backup solution supports storage devices from all vendors.
Multiple choices The business characteristics of Huawei Oceanstor 9000NFS are correct: (multiple choices for this question)
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:
The following options are concepts in Keystone: (multiple choice)
The data format before and after the backup is the same. The backup data can be directly used to restore production data to ensure the continuity of business read and write.
The following description does not belong to the features of 0ceanStor9000:
Among the following backup media, the ones that support data deduplication are: (multiple choice)
(Single choice) Huawei OceanStor 9000 FRU replacement tool maintenance does not support which of the following modules or devices can be replaced?
The customer has a third-party storage system and wants to build a local high-availability solution for the storage system, and plans to purchase OceanStor 5600 V3
And only purchase the HyperMirror license, this plan:
Single-choice Oceanstor 9000's wiselink and smartconnecet technologies are different, which one of the following?
In the Huawei disaster recovery solution, which of the following distances can be selected as a single option Synchronous remote replication technology?
The principles for making file system backup strategies include: (multiple choice) multiple choice
Multiple choice Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which greatly facilitates operation and maintenance management. Down
List which options reflect this feature ()
The creation of logical ports is based on physical Ethernet ports, bonded ports or VLANs, and is mainly used for business operations. At the same time, need
Designate the main port, when the main port fails, the service will be taken over by the failover port
Regarding the characteristics of Huawei's hybrid flash storage block service, which of the following statements is correct ()
What unit does Huawei Distributed Storage provide CIFS/NFS/FTP sharing?
Which options are correct in the following statements about remote replication consistency groups ()
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 of the following are multiple-choice products of the OceanStor 18000 storage series?
Mean Time Between Failures (MTBF) is a description of the operation of the product
The average continuous time between failures during use or testing.
After the object deduplication function is enabled in Huawei distributed storage, the system compares which information of the object
Information to perform duplicate object deletion (
The big data service supports the use of the resource statistics function of the file system, and which file system resources can be statistically checked
Inquiry()
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()
Regarding the read cache process of Huawei's distributed storage multi-level cache technology, which of the following read hits is the priority ()
Multiple choice Internet company A uses Huawei’s hyper-converged storage to build the company’s information platform, which significantly increases the storage space of the platform.
Use efficiency. Which of the following options reflects this feature ()
Which of the following application scenarios does not belong to the typical application scenario of Huawei hybrid flash storage?
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.
Which one of the following descriptions about the unified namespace is incorrect?
In Huawei distributed storage, the block service asynchronous remote replication architecture is based on the block service cluster to build an asynchronous replication relationship.
Based on the difference data, periodically synchronize the data of the master and slave volumes. After the data synchronization of the last synchronization cycle is completed, the current synchronization cycle starts.
Initially, all data generated on the primary volume will be written to the secondary volume during this synchronization.
Which options are correct in the following statements about the features of Huawei HyperVault ()
Huawei Distributed Storage Block Service provides a snapshot mechanism to save the state of the user's data volume at a certain point in time
In the future, it can be used to export data and restore data later.
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.
Which of the following is the maintenance software supported by Huawei's hybrid flash storage products?
Parallel deduplication is highly reliable. The built-in failover capability enables uninterrupted backup operations,
Even if one node is unavailable in the grid, the remaining nodes can continue to work and take over the backup. The failed node is automatically repaired in the background, and then add
Enter the network to continue working.
A company deploys a set of multi-select Huawei distributed storage in data center A and data center B, mainly using block servers
It supports application-related services such as databases and virtual machines, and uses the active-active feature of block services to cooperate with upper-layer applications to ensure business continuity.
For this dual-active scenario, which of the following option descriptions are correct ()
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.
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 ()
Bank A uses Huawei all-flash storage to carry its key services. Which of the following can provide data reliability assurance ()
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 ()
Check the operability of the storage system through DeviceManager, you can know the storage system
Real-time and long-term status of system business performance.
Which one of the following options is incorrect for the description of the features of the Huawei Oceanstor 900 product?
When deploying Huawei distributed storage, you can import the licenses of different service
The type of service provided by the group (block, file, big data, object).
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?
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.
For the NDMP feature of 0ceanstor9000 product, which of the following Is the description of each option incorrect?
The correct ideas and methods for 9000DeviceManager server failure are as follows to solve Oceanstor: (multiple choice)
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.
The network file sharing protocols supported by the NAS system mainly include: (multiple choice)
The Oceanstor 9000 big data storage system includes multiple subsystems. Which subsystem is used for file storage?
Single choice In Oceanstor 9000, what is the wrong understanding of WushanFS global cache technology?
A TV station uses a Huawei hybrid flash storage device with FC networking to store videos. When I use it recently, it occasionally appears
The video screen freezes. Engineer A will troubleshoot the fault after arriving at the site. Which of the following is the correct troubleshooting method ()
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 NAS storage system realizes file system sharing, and the underlying protocol uses iSCSI for data transmission
Huawei Distributed Storage Object Service provides finely controlled Qos capabilities, providing tenants, buckets
Other TPS and bandwidth granular service quality control can precisely control which operations ()
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 does not belong to the single-selection structure of Huawei's distributed storage network architecture
Which load balancing method does the Huawei Oceanstor 9000 InfoEqualize feature support?
Which one of the following descriptions about Oceanstor 9000's global cache is incorrect?
Huawei N8000 (V200R001) clustered NAS two-node single-choice, during which the heartbeat links are redundant?
Which of the following is the correct power-on sequence of the Huawei distributed storage system? A. Cabinet-->Switch-->Node---KVM
B. Cabinet-->KVM--Switch--->Node
C. Cabinet-->Node-->KVM---Switch
D. Cabinet-->Switch-->KVM-->Node
Single selection In the Huawei Oceanstor 9000 system, which of the following functions or parameters will be disabled will affect the InfoTier function?
Bank A purchased all-flash storage using Smart Matrix fully-connected and highly reliable architecture to ensure
It prevents its core business from continuing to be online. Regarding the characteristics of the architecture, which of the following statements are correct
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.
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?
Huawei's hyper-converged storage products have a strong consistent replication agreement. The application writes a copy of data
Time, if successful, one or more copies of the backend must be consistent
When single-selecting the Oceanstor 9000 network tuning, which of the following commands can check whether the network port is connected?
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
In the era of big data, you should also have big data thinking. Which one of the following statements is incorrect?
In the data replication technology used for disaster recovery, the data replication technology at the host layer is compatible with servers and storage devices.
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?
Which of the following descriptions about the backup integration plan is correct: (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)
In a disaster recovery solution, Huawei remote replication technology is used and a consistency group is established. Which of the following statements is correct?
The following description of eReplication is incorrect: (single choice)
DASH Copy is an optimized auxiliary copy, which copies all data blocks from the source disk library to the target disk library each time.
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)
(multiple choice) Which of the following are correct in the description of the CIFS protocol?
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.
Which of the following statements about backup networking LAN-free and Server-free is correct?
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).
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?
The peak write bandwidth of an application is 10MB/s, the average write bandwidth is 200KB/s, and the average write IO size is 4KB (private
The information overhead is about 11%, and the bandwidth utilization rate is 70%). Use FC networking and set to synchronous remote replication mode (consider private
If there is information overhead), which is the correct requirement for network bandwidth?
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.
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.
Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:
The correct statement about the HyperMetro arbitration server model is: (multiple choice)
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots? A. InfoLocker
B. InfoStamper
C. InfoProtector
D. InfoEqualize
(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
Backup strategy management does not include: single selection
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)
In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation
Build order.
The cascading replication disaster recovery solution establishes a cascading replication relationship for the storage devices used by the business to achieve intra-city disaster recovery + remote disaster recovery, with little impact on the performance of the production center.
In the Huawei disaster recovery solution, at which levels can data replication be performed? (multiple choice)