Which of the following storage units are used by an N8500 clustered NAS system? (Select three)
A. S2200T
B. S2600T
C. S5500T
D. S6800T
Which of the following are possible challenges facing massive data management? (Select two.)
A. How to implement quick data searches for higher retrieval efficiency
B. How to ensure data authenticity and prevent data cheating
C. How to implement PB-level storage of various data
D. How to save storage resources by reducing the data amount
Which of the following statements about the software features of the OceanStor 9000 are correct? (Select two)
A. The maximum supported file system capacity is 40 PB.
B. The maximum supported data recovery speed is 1 TB/hour.
C. Each node uses the cache on the node exclusively.
D. Thin provisioning and thick provisioning are both supported.
The OceanStor 9000 externally provides a single file system that is managed by a unified file system namespace. All the objects involved in user operations such as storing files, setting a share, and managing permission reside in this namespace.
Which of the following statements about a namespace are correct? (Select three.)
A. During the startup of the OceanStor 9000, a namespace is automatically created with the same name as that of the OceanStor 9000.
B. As the root directory of the entire system, a namespace cannot be shared or accessed. However, its subdirectories can be shared and accessed.
C. A unified namespace provides a unified storage resource pool where storage space can be centrally managed and allocated.
D. All shared directories are subdirectories in the unified namespace.
It is recommended that the OceanStor 9000 use 10GE for both the front-end and back-end networks.
A. True
B. False
Which of the following statements about the login information of the OceanStor 9000 after its software installation is complete are incorrect?
A. The account and default password for logging in to the OceanStor DeviceManager are admin and Admin @storage respectively.
B. To log in to the OceanStor DeviceManager from Internet Explorer, enter https://xx.xx.xx.xx:8088, where
xx.xx.xx.xx is the management IP address of the OceanStor 9000.
C. The default password for the default account root of the Linux operating system running on a storage node is root@storage.
D. To log in to the IPMI of a storage node on Internet Explorer, enter https://xx.xx.xx.xx, where xx.xx.xx.xx is the IP address of the IPMI port on the storage node.
Which of the following statements about the simple file system of the N8500 clustered NAS storage systems is incorrect?
A. Data of a simple file system is stored in sequence on the data disks where the file system resides.
B. A simple file system reads and writes multiple subdisks simultaneously, providing higher performance than reading and writing a single disk.
C. The volume of a simple file system is formed by the subdisks of multiple data disks.
D. The simple file system is applicable to scenarios having no special performance or security requirements.
A customer purchases nine OceanStor 9000 storage nodes. During the deployment planning, the customer requires that data integrity be not affected if any three disks in a storage node are faulty, and the overall storage space utilization be not lower than 80%.
Which of the following is the most proper redundancy ratio?
A. 8+1
B. 6+3
C. 6+3: 1
D. 16 +3: 1
Which of the following statements about block storage management is incorrect?
A. Administrators can view the volumes created by project users and administrators.
B. Administrators can create, view, or delete block storage service levels.
C. If the status of a volume fails to be updated in a timely manner, administrators can manually update the status.
D. Storage resources are allocated to users through block resource pools. Administrators can view, modify, or delete resource pools.
Which of the following statements about the intelligent load balancing feature of Huawei OceanStor 9000 is false?
A. Performance is balanced among all nodes. Capacity cannot be balanced among all nodes.
B. Nodes can be grouped into zones. An independent load balancing policy and an independent domain name can be configured for each zone.
C. Load balancing policies can be based on CPU usage, memory usage, bandwidth usage, node connection count, and/or node capability.
D. Huawei OceanStor 9000 provides load balancing service based on round robin, CPU usage, or node connection count.