D. LI is called data mining machine age lake, which is the interface through which the components are compatible, so as to provide a unified multi-state data on the cloud-analytical skills?

• A.Flink
• B.Spark
• C.MapReduce
• D.HDFS

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When a user configures an ECS host in a HUAWEI CLOUD VPC subnet and wants hosts in other subnets under the same VPC to use it as a NAT proxy, but finds that this configuration has not successfully met the requirements, which of the following statement is correct?

• A.Add a new network interface bound to the subnet to the NAT proxy host.
• B.Turn off the source/destination IP address check switch of the ECS host.
• C.Add a network interface bound to the NAT proxy subnet to other hosts.
• D.Need to bind the elastic public IP to all ECS hosts.

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Which of the following statements about Pods in a HUAWEI CLOUD CCE cluster is wrong?

• A.Pod is the smallest deployment unit that Kubernetes can create, schedule, and manage.
• B.Pod is scheduled to the Node node and remains on this node until it is destroyed.
• C.Containers in the same Pod share the same network namespace, IP address and port space and volume.
• D.Pod corresponds to a container instance.

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When the vCPU allocated by HUAWEI CLOUD ECS spans different physical CPU, the performance will fluctuate. The host cluster generally uses affinity scheduling to avoid this situation. Which of the following technologies is used by the HUAWEI CLOUD underlying platform to achieve CPU affinity scheduling?

• A.Anti-Affine
• B.NUNA
• C.Host Aeregator
• D.PCI Passthrough

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Both Spark and MapReduce are the most basic distributed computing frameworks in Hadoop. Regarding the description of the common points between the two, which of the following is correct?

• A.Both can be used in complex data mining and machine learning scenarios.
• B.Both provide Map and Reduce data manipulation methods.
• C.All are used to process non-SQL batch jobs.
• D.All need to rely on HDFS to store intermediate result data.

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