Which of the following statements are CORRECT about the host that provides external block storage for Cinder?
A. Cinder-API provides an interface for processing block storage access requests
B. The Cinder-Volume service is responsible for dealing with storage servers, such as Swift and Ceph, to create and delete volumes
C. The Cinder-Scheduler assigns tasks to servers that provide block storage
D. Cinder modules work in message queue mode
The VPC subnet segment in the Huawei FusionCloud solution can be modified after being created.
A. True
B. False
If Huawei FusionCloud does not have special requirements, which node is recommended to be deployed on DHCP Agent?
A. Routing node
B. Compute node
C. OpenStack control node
D. Network node
In a data center migration scenario, which of the following is not an advantage of Huawei LUN copy technology?
A. Data migration is completed by Huawei storage systems and does not require server computing resources
B. Simple operation and unified solution
C. Online service migration
D. The LUN copy migration solution supports data migration between most Huawei storage device and is highly compatible
In cloud data center migration scenarios, which of the following storage migration solutions requires Huawei storage licenses?
A. Migration of vMotion
B. LUN copy migration
C. Volume management migration
D. Rsync/robocopy migration
Data backup can be used to prevent logical errors such as misoperations and viruses. Data backup ensures that the system can be restored to a correct logical version.
A. True
B. False
To prevent data loss caused by misoperations, system faults, or other man-made factors, data of the entire system or a part of critical data is copied from a storage device of the primary computer system to another storage device by using a certain method, which of the following is not keypoint of a backup system?
A. RTO
B. HA
C. BW
D. RPO
In the data center storage and backup scenario, which of the following is the ALL-IN-ONE positioning of BCManager services of Huawei RD products?
A. Once-click test
B. Data consistency
C. Template-based policy configuration
D. Automatic application identification
The two data centers use the remote replication technology and the synchronization period. Asynchronous remote replication is used for services with high continuity requirements and important data services.
A. True
B. False
Which of the following are the precautions for network OandM in the Simpana backup solution?
A. Avoid hosts with the same name or IP address
B. Avoid multiple network adapter fault
C. Avoid port conflicts. By default, Simpana uses ports 8400 and 8402 at least
D. Avoid inconsistency between DNS/HOSTS files.