In an N8500 system, if an engine node is faulty and the other components are in the normal state, the consequences do not include which of the following?
A. The N8500 cannot be managed.
B. LUNs on the storage units become unavailable.
C. Service performance deteriorates.
D. The NFS file sharing service becomes abnormal.
The fencing function provided by an N8500 prevents split-brain from occurring. Which of the following statements about fencing are correct? (Select three)
A. Monitors GAB and checks the changes of cluster members.
B. Ensures the single view of cluster members.
C. Prevents multiple nodes from using a volume manger to access the shared storage.
D. Automatically recovers the master node if the cluster becomes abnormal.
When a NAS client attempts to connect to an OceanStor 9000 node, the user must enter the management IP address of the node.
A. True
B. False
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)
A. The switch supports a maximum of 32 10GE 5FP+ Ethernet optical ports.
B. The switch supports four 40GE QSFP+ Ethernet optical ports.
C. The 10GE ports on the switch can be used for interconnection between downstream storage nodes or connection between storage nodes and the upstream service network.
D. The 40GE ports are used for switch stacking.
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?
A. CFS
B. VCS
C. CVM
D. Heartbeat membership
When an engine node of an N8500 clustered NAS storage system needs to connect to multiple ports on a controller of a storage unit, ensure that ports on different interface modules are used.
A. True
B. False
An N8500 provides synchronous volume mirroring, which is similar to implementation of RAID 1 for the file system.
A. True
B. False
Which of the following statements about Huawei 9000 big data solutions is incorrect?
A. Huawei big data storage products support InfiniBand/lOGE/GE networking modes.
B. Huawei big data storage products employ scale-out architecture.
C. Huawei big data storage products are based on the MPP DB.
D. Huawei big data storage products support dynamic storage tiering (DST).
Which types of nodes are supported by Huawei OceanStor 9000? (Choose all that apply.)
A. P12
B. P25
C. P36
D. C36
E. C72
Which are big data's characteristics defined by IDC? (Choose all that apply.)
A. Volume
B. Variety
C. Value
D. Velocity