Exact2Pass
Regarding the storage layer data replication disaster recovery technology, which of the following statements is correct?
Before deploying a disaster recovery plan, which information needs to be collected to choose more? (multiple choices)
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?
In the following description of the asynchronous remote replication of the OceanStor V3 storage array, which one is wrong?
(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:
The disadvantages of choosing cloud storage as a backup medium are: (single choice)
Which one of the following statements about synthetic full backup is wrong? (single 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)
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.
Which of the following descriptions about the backup integration plan is correct: (multiple choice)
The items that do not belong to the DFS adaptation single-selection layer software module in OceanStor9000 are: (single-selection)
In the Huawei OceanStor backup solution, if the retention time and retention cycle of backup data are configured to be 13 days and 2, respectively,
The actual backup is a 3-day cycle, so how many days are the data retained?
Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)
multiple choices. The possible causes of common business failures in the Huawei Oceanstor 9000 storage system include: (multiple choices)
Which of the following options belong to the function of the CMS cluster? (multiple choice)
Single selection In the Oceanstor 9000 system, a node refers to a collection of nodes with the same characteristics (physical type/access performance).
State tiered storage allows the physical nodes in the same file system to be divided into different node pools
When OceanStor V3 creates a remote replication pair, which of the following is the default synchronization speed?
Which of the following backup types is correct for the order of the space occupied by the backup media is:
What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)
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 selection Huawei hybrid flash storage uses a RAID 2.0+ software architecture single-selection structure to realize the virtualization of the underlying media and the virtualized resources of the upper layer.
Simulate, solve the problem of rapid data reconstruction and intelligent allocation of resources at the same time.
Implementation engineer A checks the interface module of Huawei hybrid flash storage OceanStor18000, which of the following statements are correct
of()
In the Huawei HyerMetro active-active solution, when the active-active data center link fails, it will enter the "waiting for synchronization" state.
To quickly restore services, you can choose to force start the local storage system or the remote storage system to continue to provide services for the host. At this time, the active-active business status
Will enter "normal".
Which statements are correct in the following description of storage networking methods ()
Which one of the following options is incorrect about the CIFS share configuration statement?
Which one of the following descriptions about the unified namespace is incorrect?
The InfoTier feature stores files in different classifications according to the difference of file attributes. Which options are not the basic list that constitutes a classification?
Bit()
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 ()
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.
To access the object storage service (compatible with the OpenStack Swift interface), which of the following types of servers must be authenticated by the user.
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()
Multiple choices Among the following statements about the features of Huawei SmartPartition, which options are correct ()
Regarding the characteristics of Huawei's hybrid flash storage block service, which of the following statements is correct ()
Among the node types of Oceanstor 9000, there is no need to consider that the node of the single-select IPMI management network is the C72 node.
Operation and maintenance includes a variety of capability requirements, not only product technology, but also management systems, processes, etc.
Elements.
Which of the following options is not a typical application scenario for cloud storage:
Multi-choice Hua is what node types does Oceanstor 9000 (V100R001C30) support?
Single-choice Huawei oceanstor 9000, the client processing the write request will fragment 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 the check data piece is calculated by each node and written to each node.
Power-saving memory, after all nodes write into power-saving memory successfully, this write operation is successful.
Multiple choice The description about the analysis and adjustment of the Oceanstor 9000 system NAS server parameters is wrong: (multiple choice)
Huawei Oceanstor 9000 FTP service features include: (multiple choice for this question)
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?
Which of the following technologies are used in the Huawei HyperVault disaster recovery solution? (multiple choice)
Which of the following storage units does the Huawei N8000 cluster NAS system use?
A disaster recovery project adopts the single-choice solution of Huawei's network layer complete space snapshot method, and starts to create a snapshot of the source volume at 9:00, 9:
The snapshot is created at 10 o'clock. During this process, the source volume is being written. Which of the following statements is correct?
The InfoLocker feature of OceanStor 9000 can be used to meet the business scenario of “write once and read many times”.
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:
In the Oceanstor 9000 storage system, which of the following system resources can be controlled by the InfoAllocator feature?
The hardware snapshot of the OceanStor backup solution supports storage devices from all vendors.
Single-select a customer who plans to store a large number of files in a certain directory of Huawei Oceanstor 9000. Most of these files are of the same size.
Between 64-128K, in order to improve hard disk utilization and read and write performance, how big should be the strip of files in the file directory?
A storage cluster has five C72 nodes. The front and back 10CF networking mode is adopted. In the hybrid deployment of distributed system services and pairs
For storage services, the number of IP addresses that need to be planned for the front-end business network is:
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.
In the Huawei disaster recovery solution, at which levels can data replication be performed? (multiple choice)
(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:
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.
The correct statement about the HyperMetro arbitration server model is: (multiple choice)
Which of the following are typical application scenarios of Huawei's active-active disaster recovery solution? (multiple choice)
(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
(multiple choice) Which of the following are correct in the description of the CIFS protocol?
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).
(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:
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.
(Judgment) FusionStorage Block uses a unique data block slicing technology and data based on DHT Hash
The routing algorithm can evenly distribute the data of the volume to the fault domain of a larger resource pool, so that each volume can obtain a larger
IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.
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)
Which of the following descriptions of the software components of the Huawei 0 ceanstor 9000 product is correct?
When performing system maintenance on the Huawei Oceanstor 9000, it is recommended that the system administrator check the account routinely and check the content package
Include: (multiple choice)
The single-choice clustered NAS system uses cluster volume management technology on the basis of full interconnection of data channels and communication channels to provide full connectivity.
Bureau’s storage management. Any node in the cluster can access the same-storage space with the same volume device name, ensuring that the block device can access
consistency
Huawei Oceanstor 9000 integrates the hard disk resources of all nodes through DFS to provide a unified external name space.
Which of the following options does not belong to the characteristics of the distributed storage big data service solution single-choice solution ()
Regarding the description of the data protection function of the Huawei Oceanstor 9000 system, which of the following options is incorrect?
Single selection In which of the following situations, the Huawei Oceanstor 9000 system will not start load balancing?
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 ()
The minimum number of nodes in the single-choice Huawei Oceanstor 9000 system is 3, and these 3 nodes can be of different types.
What are the necessary components included in the architecture of the N80OONAS system? (multiple choice)
The storage device generates a fault alarm. Which of the following methods cannot collect storage system faults?
information( )
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?
A company purchased a set of Huawei horizontally extended file storage to build a file sharing system. Current ministries
The clients of the door use different IP subnets, and the storage administrator configures the front-end service IP addresses of all nodes to belong to the same subnet. storage
Which steps are correct for the administrator to configure the subnet ()
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 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.
Single-choice NAS storage system realizes file system sharing, and the underlying protocol uses iSCSI for data transmission
Operation and maintenance engineer A consults the Huawei All-Flash Storage Manual about the process of hardware trusted and safe boot,
The following sequence is correct () ①Verify Grub's signature public key ②Verify the status of the software signature certificate ③Verify and load Grub④Verify
And load the OS
The basic principles of daily maintenance of the multi-choice big data storage system include: (multi-choice)
When accessing the Linux client of the Huawei Oceanstor9000 cluster, the client parameters can be adjusted to improve access
Performance, which one of the following is wrong?
The following description of the cache in Huawei 0 Ceanstor 9000
Which one is wrong?
Single choice Which one of the following statements about the N8500 configuration process is correct?
In the 0ceanstor 9000 system, a node pool refers to a collection of nodes with the same characteristics (physical type/access specific energy).
Dynamic hierarchical storage allows the physical nodes in the same file system to be divided into different node pools.
In the Huawei storage system, which of the following statements about rolling back HyperCDP are correct ()
Create an Oceanstor 9000 cluster, using P36 nodes, and use the back-end 10GE network. Then the P36 node.
Which ports should be connected to the 10GE switch? (multiple choice)
In Oceanstor 9000, if a hard disk is offline for 15 minutes, the data on the hard disk will be restored as follows: system.
Calculate the data on the hard disk and restore these data to other normal hard disks.
An enterprise’s business data is stored in two data centers, and storage devices from different vendors are deployed.
The SmartVirtualization feature can be used to host and create original LUNs on heterogeneous storage systems in each data center
eDevLUN, and then create an asynchronous remote replication between the eDevLUN and the local LUN on the Huawei storage system at another site to achieve
Data disaster recovery between sites.
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
The transmission protocol used by the management network of the object storage service (compatible with OpenStack Swift) is:
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
Object service provides a wealth of object resource (bucket or object) access permission control capabilities, of which ACL can only
Used to prohibit permissions, and cannot grant permissions.
Hyper-convergence is a data center architecture that can uniformly collect computing capacity, file storage, memory, and network, and is like a public entity.
Independent management.
The game live broadcast platform A uses Huawei’s all-flash storage to protect its business.
Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order
Which of the following statements are correct regarding the snapshot LUN of Huawei hybrid flash storage devices ()
During the daily X inspection, engineer C found that the bit error rate of an optical module in the storage is high, and he plans to replace an optical module. Which of the following
The description of the option is correct ()