Which of the following statements about the application scenarios of different nodes of the HUAWEI OceanStor 9000 big data storage systems is correct?

A. The mini-capacity node applies to small-capacity scenarios.

B. The performance node applies to large-capacity and high-bandwidth scenarios.

C. The capacity node applies to OPS-intensive scenarios.

D. None of the above is correct.

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.

Which of the following types of clients are supported by NFS sharing of the OceanStor 9000? (Select three)

A. Host name

B. IP address

C. Network group

D. AD domain

If the file system sharing services are interrupted on an N8500 storage system, which of the following information must be collected for troubleshooting? (Select three)

A. Alarm information

B. Operations performed after the fault occurred

C. Clustered NAS configuration information

D. Number of storage unit disk enclosures

When using the OceanStor Toolkit to deploy an OceanStor 9000 storage system, the IP addresses specified in IP address segment in the Configure DHCP area can only be use for the deployment. After the deployment is successful, the IP addresses of each node are changed to those as planned in the configuration file.

A. True

B. False

Which of the following statements about the 10 Gigabit Ethernet (10GE) is incorrect?

A. 10GE, an Ethernet transmission standard, become IEEE Std 802.3ae-2002 in 2002.

B. 10GE enables an Ethernet to transmit data at a rate of 10 Gbit/s, 10 times the rate of GE.

C. 10GE defines full-duplex and half-duplex links which are generally connected by network switches.

D. 10GE implements access at a high bandwidth and low latency. 10GE is suitable for scenarios such as media and entertainment, high-performance computing, and OLAP.

Which of the following statements about the characteristics of the file system snapshot feature provided by an N8500 clustered NAS system are incorrect? (Select two.)

A. A snapshot and the file system each use independent storage space to ensure data reliability.

B. A file system snapshot is a view identical with the file system.

C. File system snapshots are readable, writable, and independent of the file system.

D. You can create multiple snapshots for a file system. However, you cannot create a snapshot for an existing snapshot.

The InfoReplicator feature of Huawei OceanStor 9000 supports both synchronous and asynchronous remote replications.

A. True

B. False

Huawei OceanStor 9000 uses the erasure code technology to protect data. A site has six nodes, and the customer requires that data can be restored if three of the disks where a stripe is distributed are faulty.

Which redundancy levels can be used to meet the requirement? (Choose all that apply.)

A. 4+3:1

B. 6+3

C. 4+2

D. 6+4:1

After the Hadoop service is interconnected with the OceanStor 9000 through the HDFS API, what data redundancy and protection mechanism is adopted?

A. Duplicate mechanism

B. Erasure Code

C. RAID 2.0+

D. Cubic RAID