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Which of the following is not a mandatory option when creating a Loader job?
Which of the following is not a mandatory option when creating a Loader job?A . name B. connection C. type D. PriorityView AnswerAnswer: D
Huawei Fusioninsight HD is the first big data platform in China that complies with the national financial level protection. What are the following aspects of its security?
Huawei Fusioninsight HD is the first big data platform in China that complies with the national financial level protection. What are the following aspects of its security?A . System Security B. Authority authentication C. Data Security D. All of the above are correctView AnswerAnswer: D
If you want to add 1 to the digital value stored in Key, which command should you use?
If you want to add 1 to the digital value stored in Key, which command should you use?A . incr B. decr C. incrby D. decrbyView AnswerAnswer: A
Which nodes need to communicate with external data sources before and after the Fusioninsight HD Loader operation?
Which nodes need to communicate with external data sources before and after the Fusioninsight HD Loader operation?A . Loader service master node B. Nodes running YARN service jobs C. Both of the first two are required D. Neither of the first two is requiredView AnswerAnswer: C
What components does HBase use by default as its underlying file storage system?
What components does HBase use by default as its underlying file storage system?A . File B. Kafka C. Memory D.HDFSView AnswerAnswer: D
Which of the following functions can the Kafka Cluster Mirroring tool achieve?
Which of the following functions can the Kafka Cluster Mirroring tool achieve?A . Kafka cross-cluster data synchronization scheme B. Data backup in Kafka single cluster C. Kafka but data recovery within the cluster D. None of the above is correctView AnswerAnswer: A
Which is the correct description about Supervisor of Fusioninsight HD Streaming?
Which is the correct description about Supervisor of Fusioninsight HD Streaming?A . Supervisor is responsible for resource allocation and task scheduling B. Supervisor is responsible for accepting tasks assigned by Nimbus, starting and stopping Worker processes managed by itself C. Supervisor is a process that runs specific processing logic D....
Which one is correct about the description of the Loader job in FusionInsight HD?
Which one is correct about the description of the Loader job in FusionInsight HD?A . After the Loader submits the job to Yam for execution, if the Loader service is abnormal at this time, the job execution fails. B. After the Loader submits the job to Yam for execution, if...
As shown in the figure, which of the following description about the Kafka message consumer reading the message is wrong?
As shown in the figure, which of the following description about the Kafka message consumer reading the message is wrong?A . The blue in the picture is a topic of Kafka, which can be understood as a queue, and each grid represents a message. B. The messages generated by the...
Zookeeper's scheme authentication method does not include which of the following?
Zookeeper's scheme authentication method does not include which of the following?A . sasl B. auth C. digest D.worldView AnswerAnswer: A
