Cloudera Hadoop docking process includes:
1.
Data preparation.
2.
Verify the connection status
3.
Install HDFS Plugin To Cloudera Hadoop nodes and clients.
4.
Migrate business data
Which of the following options is in the correct order of connection:
A. 1-3-5-2-4
B. 1-3-4-5-2
C. 1-5-3-4-2
D. 1-5-3-2-4
The following options belong to the rules for FusionStorage software deployment: (multiple choice)
A. DSS and OMS are components that must be deployed. Choose to deploy FusionStorage block, file, and object services as needed.
B. DSS and OMS are recommended to be deployed to virtual machines on different physical nodes. DSS needs to deploy 3 units, and OMS only needs to deploy 1 unit.
C. FusionStorage block, file, and object storage services are all deployed on their own physical nodes and cannot be mixed.
D. When FusionStorage File/FusionStorageObject is provided, the first 2 nodes in the cluster serve as management nodes.
The following description of the FusionStorago management network is incorrect:
A. A node where DSS/OMS/FSM is deployed, two interfaces form a logical bond interface, and one pipe is allocated to the bond interface.
B. Only deploy FusionStorage file or object storage services, the first 3~5 nodes in the cluster are used as management nodes, and 1 is assigned to them Each management network IP address will automatically float on the NIC1 interface of these nodes.
C. The Mgmt interfaces of all storage nodes are connected to the management switch, and each node is assigned a management network IP address.
D. When FusionStorage file or object storage services are deployed in a mixed manner, select at least one object node as the management node (management section). The total number of points does not exceed 5). And assign a management network IP address to it, and it will automatically float on the NIC1 interface of these nodes.
C72 is a large-capacity archive node device with a height of 4U, but it can also be fully equipped with 72 SAS disks to accommodate some Scenarios with high performance and capacity requirements.
A. True
B. False
Deduplication classification includes: (multiple choice)
A. Source end deduplication
B. Target end deduplication
C. Partial deduplication
D. Global deduplication
Which of the following options belong to the enhanced features of Huawei InfoTurbo: (multiple choice)
A. Fixed pre-reading
B. Smart pre-reading
C. SMB3 Multichannel
D. NFS protocol enhancement
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.
A. True
B. mistake
Which of the following statements about global data deduplication is incorrect: Single selection
A. Multiple deduplication copies with different storage strategies use the same DDB.
B. Multiple deduplication copies with different storage strategies use the same disk library and deduplication properties.
C. Multiple deduplication copies with different storage strategies use the same deduplication pool as the backup target.
D. The backup data retention period of multiple different storage strategies needs to be the same
Single-choice NFS is a method to realize disk file sharing between Unix systems. It supports a system protocol for data in the server disk.
A. True
B. wrong
The principles for making file system backup strategies include: (multiple choice)
A. Measure the frequency of data backup based on the importance of the data.
B. Measure the task execution time based on the amount of change.
C. Ensure that the network bandwidth used for backup in the same time period is sufficient in the backup window.
D. Measure the data retention period based on the amount of data.
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