Multi-select Huawei Oceanstor 9000 During the software installation process, you also need to apply for some temporary IP addresses for the back-end business network.
For the description of these temporary|P addresses, the correct one is: (multiple choice)
Before deploying Huawei's active-active solution, the customer's current multi-selection network information that needs to be collected includes: (multiple selection)
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.
In a disaster recovery solution, Huawei remote replication technology is used and a consistency group is established. Which of the following statements is correct?
(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?
Regarding HyperMetro static priority arbitration mode, multiple choices are correct: (multiple choices)
In a backup structure with a primary backup domain and multiple branch backup domains, the following description is wrong:
In the data backup application scenario, which one of the following descriptions about the quality of the optical disc storage medium is wrong?
In the Huawei disaster recovery solution, at which levels can data replication be performed? (multiple choice)
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?
Which of the following are typical application scenarios of Huawei's active-active disaster recovery solution? (multiple choice)
Colleagues customized Huawei dual-active disaster recovery solutions for customers. Customers already have a set of OceanStor S5500TV2 and a set of third-party systems.
In the storage system, the two sets of equipment are placed in two data centers to implement active-active disaster recovery. The solution:
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?
(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:
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
Which of the following descriptions about the backup integration plan is correct: (multiple choice)
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots?
Huawei Oceanstor 9000 realizes the storage of unstructured data through WushanSQL, and completes it through Fusion Insight.
Into data analysis.
Regarding the networking of the Huawei Oceanstor 9000 system, which of the following option descriptions is correct?
A vendor’s distributed storage system was put into operation for 100 days, running 24 hours a day. 10th day
A failure occurred at noon, and it took 1 hour to recover from the failure. A failure occurred in the morning of the 25th day, and it took 4 hours to recover from the failure. 80th
One failure occurred in the morning, and it took 1 hour to recover from the failure. The availability of the software system is ()
Multiple choices of Huawei Oceanstor 9000. Which of the following designs can improve the reliability of the system? (Multiple choices)
Single selection If customers want to buy a Huawei storage for video surveillance and backup and archive data services, which indicator is recommended to choose
Choose the right Huawei storage device?
IDC's description of the characteristics of big data, which items are correct of? (Multiple choice)
Regarding the description of the technical principle of the DCL small bitmap in remote replication, which items are incorrect
of ?
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.
Object services use Bucket Policy to control access to buckets or buckets by a single user or multiple users
The access rights of the objects can control which specific object operations ()
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?
Data hierarchical storage multi-choice of Huawei distributed storage big data service
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?
In the feature of Huawei Oceanstor 9000InfoReplicator. Pair is a data replication relationship, which describes data replication
The source and destination of the, the following statement about the state transition of the Pair is incorrect (multiple choice)
If the Huawei N8000 clustered NAS system has 4 engine nodes and each node has 4 service network ports, you need to plan
How many virtual IPs?
In order to ensure performance and improve disk utilization in Huawei Oceanstor 9000, it is recommended that you
The stripe value is set for the piece size. Which one of the following describes the wrong stripe setting?
Which of the following technologies can be used to manage secure access to the N8500 NFS share? (multiple choice)
Single-choice Huawei Oceanstor 9000 License application activation methods include authorization activation and password activation.
Huawei Oceanstor 9000 provides external domain name resolution services through the "InfoEqualizerDNS IP address",
Name access to the following types of file sharing. If a node failover occurs, which of the following sharing methods will not be interrupted?
There are two businesses A and B in the storage system of an Internet company.
resource. This leads to longer time for other businesses. Among them, business is a transaction processing application, B business is an analytical query application,
Need to ensure the immediate response of A business. In order to solve this problem, the engineer assigned that the QOS of the A service is higher than the service.
Regarding the description of the data protection function of the Huawei Oceanstor 9000 system, which of the following options is incorrect?
In the Oceanstor 9000 storage system, if you want to perform a complete network tuning, you need to
Inspections and adjustments.
Single selection In which of the following situations, the Huawei Oceanstor 9000 system will not start load balancing?
Multiple Choices What are the advantages of Huawei Oceanstor 9000 clustered NAS technology to help you with N8000NAS storage systems? (Multiple choices)
Multiple choices The business characteristics of Huawei Oceanstor 9000NFS are correct: (multiple choices for this question)
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 data replication technology used for disaster recovery, the data replication technology at the host layer is compatible with servers and storage devices.
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
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:
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.
The disadvantage of physical tape libraries is that the hardware and mechanical failure rate is relatively high, and the single-selection tape media itself is relatively fragile and vulnerable to external environments.
Environment (temperature, humidity, dust, etc.), it is prone to failure.
Single choice Which one of the following statements about unpacking and inspection is incorrect?
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
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.
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.
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
In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation
Build order.
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:
When selecting storage devices, if the business requires a single hard disk IOPS greater than 3000, which of the following hard disk types can be selected
select()
Regarding the features of the multiple NameNode functions of Huawei's distributed storage products, which of the following statements is correct?
()
Regarding the read cache process of Huawei's distributed storage multi-level cache technology, which of the following read hits is the priority ()
IOPS is a key indicator to measure storage performance. Which of the following options will not affect the storage system’s performance
IOPS ()
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.
The CSl plug-in auxiliary service provided by the Kubernetes community is implemented based on the CSI specification,
Deploy on all K8s nodes, complete volume creation/delete, mapping/unmapping, mounting/unmounting and other operations.
HDD and SSD hard drives show huge performance differences under different IO patterns. Huawei
The Append Only Plog technology in distributed storage can provide the best down-disk performance model for different hard disk types.
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.
Select the following statements about the HyperSnap feature of the file system, which options are correct ()
Which of the following application scenarios does not belong to the typical application scenario of Huawei hybrid flash storage?
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
()
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.
What are the key technologies included in InfoTurbo features () Multiple choice
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?
In the following statement about the features of Huawei SmartQuota, which options are correct to choose ()
Among the following configuration strategies, which configuration can improve the security of the storage system ()
The transmission protocol used by the management network of the object storage service (compatible with OpenStack Swift) is:
The Huawei SmartPartition feature supports setting the same read and write cache capacity for partitions without multiple selections, as follows
Regarding the impact of cache capacity on services with different characteristics, which options are correct () A. For sequential services, the cache capacity does not need to be large, and only needs to meet the I/O consolidation requirements
B. For write business, more cache capacity means higher write merge rate, write hit rate and better
Order of visits
C. For the read business, more cache capacity means a higher read hit rate
D. For random services, a larger cache capacity means a better order of access to disks, thus bringing
Performance improvement
The SmartCache feature of Huawei hybrid flash storage is most suitable for which of the following scenarios?
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 ()
Multiple choices Among the following statements about the features of Huawei SmartPartition, which options are correct ()
The multi-choice InfoEqualizer feature supports partition setting of load balancing strategies, which options are optional methods for configuring load balancing strategies
Mode()
ACL can be used to grant permissions, or it can be used to prohibit single-selection restrictions.
When using Huawei Distributed Storage Block Service, what options are correct for the description of the asynchronous remote replication feature disaster tolerance cluster ()
Huawei all-flash storage devices need to be planned and multi-selected before deployment. Which of the following options are required for storage networking
To plan ()
The HyperLock (WORM) feature of Huawei Storage enables the single-selection of files to be written only once, cannot be written repeatedly, and is not allowed to be modified, deleted, or renamed.
Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)
Huawei Oceanstor 9000 FTP service features include: (multiple choice for this question)
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:
The following is an incorrect description of the principle of data deduplication technology, which is the single choice?
The key technologies of OceanStor 9000 to improve the performance of object storage applications include: (multiple choice)
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?
File system backup needs to consider compatibility issues. Which of the following statements is incorrect?
Which of the following statements about the deployment of Huawei's active-active data center is correct: (multiple choice)
OceanStor9000 supports clients with different protocols to access the same directory or file at the same time. E.g. Windows client
Client (CIFS protocol), Linux client (NFS protocol), Mac OS X client (CIFS protocol or NFS protocol)
When deploying OceanStor 9000 through the deployment tool, the IP entered in the "IP address range" in the "DHCP configuration" area
The address is only used temporarily during the deployment process. After the deployment is successful, the IP address of each node is modified to the IP address planned in the configuration file
The backup software architecture of the ceanStor backup solution includes: (multiple choice)
OceanStor9000 Wushan distributed file system, supports online node expansion, storage capacity and computing capacity increase linearly
Plus, and finally provide users with linearly increasing bandwidth and concurrency
Single choice If a client of Huawei Oceanstor 9000 requires that after one of its connection channels fails, other channels can be used
Continue to transmit data without interruption of business, one of the necessary conditions is that the client must support the SMB3.0 protocol
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
(Single choice) Huawei OceanStor 9000 FRU replacement tool maintenance does not support which of the following modules or devices can be replaced?
Single choice Which one of the following statements about the features of oceanstor 9000 InfoLocke is incorrect?
The customer put forward the requirement of RPO=0 and RTO=0, and the colleague chose to single-select the primary and standby synchronous remote replication disaster recovery plan.
Case:
Single selection is the data synchronization method in Oceanstor 9000 Inforeplicator including full synchronization and incremental synchronization.
Manual or automatic trigger
The following options belong to the rules for FusionStorage software deployment: (multiple choice)