Which two statements are true regarding the Oracle Data Pump export and import operations? (Choose two.)

Which two statements are true regarding the Oracle Data Pump export and import operations? (Choose two.)A . You cannot export data from a remote database.B . You can rename tables during import.C . You can overwrite existing dump files during export.D . You can compress data but not metadata during...

May 22, 2020 No Comments READ MORE +

Which of the following description about the flink window is wrong? (Multiple Choice)

Which of the following description about the flink window is wrong? (Multiple Choice)A . Rolling windows overlap in timeB . Rolling windows do not overlap in timeC . There is no overlap in time between sliding windowsD . There is overlap in time between sliding windowsView AnswerAnswer: AC

May 22, 2020 No Comments READ MORE +

Regarding the difference and connection with Spark SQL & Hive, which of the following statement is correct? (Multiple Choice)

Regarding the difference and connection with Spark SQL & Hive, which of the following statement is correct? (Multiple Choice)A . Spark SQL relies on HiVe metadataB . The execution engine of Spark SQL is Spark core. The default execution engine of Hive is MapreduceC . Spark SQL cannot use Hive's...

May 22, 2020 No Comments READ MORE +

Which of the following are the components of the platform architecture in the Huawei solution? (Multiple Choice)

Which of the following are the components of the platform architecture in the Huawei solution? (Multiple Choice)A . Hadoop LayerB . Fusiolnght ManagerC . GaussDB 200D . DataframView AnswerAnswer: ABD

May 21, 2020 No Comments READ MORE +

When HDFS stores data, key data is stored in nodes with high reliability according to actual business needs. By modifying Danodo's storage strategy, the system can force data to be stored in the specified node group.

When HDFS stores data, key data is stored in nodes with high reliability according to actual business needs. By modifying Danodo's storage strategy, the system can force data to be stored in the specified node group.A . TRUEB . FALSEView AnswerAnswer: A

May 21, 2020 No Comments READ MORE +

Complete the sentence. According to TOGAF, a ______________is a representation of a system from the perspective of a related set of_____________.

Complete the sentence. According to TOGAF, a ______________is a representation of a system from the perspective of a related set of_____________.A . view, concernsB . viewpoint, viewsC . view, requirementsD . view, stakeholdersView AnswerAnswer: A

May 20, 2020 No Comments READ MORE +

Which of the following options cannot be achieved by big data technology?

Which of the following options cannot be achieved by big data technology?A . Business model discoveryB . Credit assessmentC . Product recommendationD . Operational analysisView AnswerAnswer: A

May 20, 2020 No Comments READ MORE +

What is Spark's own resource management framework?

What is Spark's own resource management framework?A . Standal oneB . MesosC . YARND . DockerView AnswerAnswer: A

May 19, 2020 No Comments READ MORE +

In creating a Loader job, in which of the following steps can you set the filter type?

In creating a Loader job, in which of the following steps can you set the filter type?A . Input settingsB . ConversionC . Basic informationD . OutputView AnswerAnswer: A

May 19, 2020 No Comments READ MORE +

Which of the following is the correct description about the basic operation of Hive SQL?

Which of the following is the correct description about the basic operation of Hive SQL?A . Location information must be specified when creating an external tableB . Create an external table using the external keyword, creating a normal table requires specifying the internal keywordC . The source data must be...

May 19, 2020 No Comments READ MORE +