The backup management system includes backup management software and backup management server. Which of the following items can be managed? (multiple choice)
A. Backup network
B. Backup strategy
C. Read data from the backup client
D. Write data to backup media
Through Huawei OceanStor9000 Device Manager, we can view the real-time OPS performance indicators of the system.
A. True
B. False
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
A. True
B. wrong
Single choice When the Oceanstor 9000 street leveling strategy switch is turned off, when expanding the node, delete or disable the node, add hard disks, and hard disks.
Failure and slow disk scenarios. The system does not generate a balancing task, but if the node is deleted and the balancing strategy switch is turned on, the system will automatically finish Into data balance.
A. True
B. False
The three elements of the CAP principle of a distributed database system are: Consistency, Availability, and Partition Capacity.
Tolerance Partition tolerance. Regarding the statement of the three elements of CAP followed by the database, which of the following descriptions are correct? ()
A. In a distributed system, these three elements can only achieve two at most at the same time, and it is impossible to take care of all three.
B. For distributed data systems, partition tolerance is a basic requirement
C. For most web application databases, they follow the CPA principle, and consistency is usually sacrificed in exchange for high availability in the design.
D. For Traditional relational database partition tolerance is a basic requirement
The quota types supported by OceanStor9000 InfoAllocator are:
A. Capacity quota
B. File quota
C. Calculate quota
D. Mandatory quota
Multi-selection Which of the following functions can be achieved by the Oceanstor 9000 administrator through the nfollocator feature (multi-selection)
A. Reasonably plan users
B. Manage and monitor users
C. Statistics and view users
Which of the following storage nodes will configure an SSD as a read cache by default: (multiple choice)
A. P12
B. P25
C. C36
D. C72
HyperMetro guarantees the real-time synchronization of data between the storage arrays of the two sites through the cross-site data real-time mirroring function.
The data center array needs to record the write log when it receives the write I/O. Only the address information is recorded in the log, and the specific write data content is not recorded. Use memory space recording with power-down protection capability to obtain good performance.
A. True
B. False
What file system does Huawei Oceanstor 9000 use to provide a unified business access domain name?
A. NTFS
B. HDFS
C. WushanFS
D. EXT3
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