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Which of the following is incorrect about the description of the global cache of the OceanStor 9000?
If homedir is enabled and a directory is specified, the OceanStor 9000 will automatically create a user directory for each user in the specified directory when local users or domain users access the OceanStor 9000 from clients for the first time. The users are authorized to read and write their own user directories. Other users, however, cannot access those user directories by default.
If an engine node of an N8500 storage system cannot be started, which of the following measures is incorrect?
If the back-end storage performance of an N8500 storage system deteriorates, which of the following items can be skipped during troubleshooting?
When planning IP addresses for the back-end storage network of the OceanStor 9000 which uses IB networking, you must plan two back-end storage IP addresses and one temporary IP address for each node.
Compared with a relational database, which of the following are advantages of NoSQL? (Select three)
The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select two)
Typically, how many storage units can be configured for a 4-node N8500 to implement direct- connection networking?
Which of the following statements about IP address planning for the N8500 clustered HAS storage systems is incorrect?
When planning RAID for an N8500 clustered NAS storage system, you are advised to configure RAID 10 for database services and random read/write services.
Which of the following statements about the application scenarios of different nodes of the HUAWEI OceanStor 9000 big data storage systems is correct?
An OceanStor 9000 storage system is deployed using the OceanStor Toolkit. Which of the following statements about the settings of the OceanStor Toolkit configuration file are correct? (Select two)
Which of the following statements about different service applications' storage performance and capacity requirements are correct?
Which of the following are the mandatory hardware components of an N8500 clustered NASsystem? (Select two)
In performance optimization of the N8500 clustered NAS storage systems, which of the following issues must the maintenance personnel be aware of concerning LUNs and controllers? (Select three.)
Which components of an N8500 clustered NAS system reside in the user space? (Select two)
If the service disk in slot 35 on a C node of the OceanStor 9000 is faulty, you are supposed to find this disk at the front panel of the C node and then replace it.
Which of the following statements about IP address planning for the N8500 clustered NAS storage systems is incorrect?
Which of the following disks are used by an N8500 clustered NAS engine as system disks?
An OceanStor 9000 storage system uses GE for the front-end network and 10GE for the back- end network. Which of the following statements is incorrect about the ports on the P node as shown in the figure?
In a city, if the Municipal Public Security Bureau needs to regularly archive video surveillance within the jurisdiction of each police station, in such an application scenario, such as
With the solution provided by Oceanstor 9000VIRC30, which of the following node types should be recommended for customers?
(Multiple choices) An OceanStor 9000 system has a total of 10 nodes. The data protection level that can be configured for it can be:
Erasure code redundancy technology supports higher reliability and more flexible redundancy strategies than traditional RAID algorithms. The following is the principle of Erasure code.
What is the description of the error?
Use the Oceanstor systemReporter reporting tool to monitor the OceanStor 9000. The resource objects that can be monitored include: (multiple choice)
Which load balancing method is not supported by the Huawei OceanStor 9000 InfoEqualize feature?
Metadata in the Oceanstor 9000 object store implements inter-node redundancy through mirroring, each of which is an independent, complete copy.
Improve metadata security and parallel performance of metadata
(Optional) Which of the following modules or devices is not supported by the Huawei OceanStor 9000 FRU replacement tool?
In the Huawei OceanStor 9000 system, a file pool refers to a collection of files that meet certain characteristics. The file pool policy defines how the file pool is located.
Rules stored in the node pool.
In the Huawei OceanStor 9000 system, which of the following functions or parameters will affect the InfoTier function?
There are many service support system functions implemented in the N8500 clustered NAS system, such as NFS and CIFS basic service groups. Which of the following is not NFS
Service group resource agent?
Huawei Oceanstor 9000 uses decentralized technology, Wushan distributed file system does not have performance bottlenecks, with the number of nodes
Increase, storage capacity and computing power increase linearly, and finally provide users with linearly increasing bandwidth and concurrent numbers
(Multiple choices) The value of Huawei OceanStor 9000 InfoTier is reflected in:
In the process of data processing in various industries in the era of big data, there will be challenges. What challenges will the public security criminal investigation industry encounter? (multiple choice)
The evolution of big data technology is from distributed storage to cloud storage, from intelligent analysis to distributed analysis.
In the Oceanstor 9000, the application of which of the following components requires license support.
Which of the following is incorrect about the description of VCS services in a clustered NAS system?
Which of the following is a Oceanstor 9000 storage system consisting of six P36 nodes? (multiple choice)
When performing maintenance on the Huawei OceanStor 9000 system, you need to keep the root password of the system. Pay attention to the encryption when the password is transmitted. Mail delivery password.
In the OceanStor 9000 storage system, configure Info Allocator hard quotas for directory A and its subdirectories B to 1 GB and 2 GB, respectively.
The correct statement is: (multiple choice)
Single-choice) Which of the following is the correct sequence for powering up the Huawei OceanStor 9000 Big Data Storage System?
(Judge) Through the Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.
Judgment) FusionStorage Block uses a unique data block segmentation technology and DHT Hash-based data routing algorithm.
To evenly distribute the volume's data across the larger resource pool fault domain, each volume can achieve greater IOPS and MBPS performance.
It also makes the load of each hardware resource relatively balanced.
Regarding the cabinet configuration description of the 10GE networking solution of the OceanStor 9000, the following statement is wrong: (multiple choice)
In a NetBackup-based N8500 file system backup network, all the nodes of the N8500 must be connected to both the NetBackup master server and media servers.
On Huawei N8500 V200R001, gabconfig -a can be executed to query the port communication status of a GAB member in a cluster. Port h gen is the communication port of which member?
Which of the following statements about the file system mirroring feature provided by an N8500 clustered NAS system are incorrect? (Select two)
The HUAWEI OceanStor Toolkit V100R001 is used for preventive maintenance. The preventive maintenance wizard does not include which of the following?
Which data protection levels can be configured for an OceanStor 9000 storage system that consists of 10 nodes? (Select two.)
Which of the following statements about the performance optimization check items of the N8500 clustered NAS storage systems are correct? (Select three)
Which command is used to check whether a file system is mounted using the support account for N8500 V200R001?
Which of the following statements about the DST feature of an N8500 clustered NAS system are incorrect? (Select three)
You can check VCS cluster logs by viewing the Engine_A.log file in the /var/VRTSvcs/log directory on an N8500 storage system.
Before installing software for an OceanStor 9000 storage system, you must prepare required tools, cables, and software packages. Which of the following statements about this preparation is incorrect?
In an OceanStor 9000 storage system, the calculate quota is set to 50 GB for user A to access the /dir directory. When the amount of data that user A writes exceeds 50 GB in the /dir directory, the system allows user A to continue to write data in the /dir directory.
TESTED 26 Apr 2024