ACA-BIGDATA1 exam

You are working on a project where you need to chain together MapReduce, Hive jobs. You also need the ability to use forks, decision points, and path joins. Which ecosystem project should you use to perform these actions?A . Apache HUEB . Apache ZookeeperC . Apache OozieD . Apache SparkView...

Resource is a particular concept of MaxCompute. If you want to use user-defined function UDF or MapReduce, resource is needed. For example: After you have prepared UDF, you must upload the compiled jar package to MaxCompute as resource. Which of the following objects are MaxCompute resources? (Number of correct answers:...

Alibaba Cloud Quick BI reporting tools support a variety of data sources, facilitating users to analyze and present their data from different data sources. ______ is not supported as a data source yet. Score 2A . Results returned from the APIB . MaxComputeC . Local Excel filesD . MySQL RDSView...

A business flow in DataWorks integrates different node task types by business type, such a structure improves business code development facilitation. Which of the following descriptions about the node type is INCORRECT? Score 2A . A zero-load node is a control node that does not generate any data. The virtual...

DataWorks can be used to develop and configure data sync tasks. Which of the following statements are correct? (Number of correct answers: 3) Score 2A . The data source configuration in the project management is required to add data sourceB . Some of the columns in source tables can be...

In order to improve the processing efficiency when using MaxCompute, you can specify the partition when creating a table. That is, several fields in the table are specified as partition columns. Which of the following descriptions aboutMaxCompute partition table are correct? (Number of correct answers: 4)A . In most cases,...

In MaxCompute, you can use Tunnel command line for data upload and download. Which of the following description of Tunnel command is NOT correct: Score 2A . Upload: Supports file or directory (level-one) uploading. Data can only be uploaded to a single table or table partition each time.B . Download:...

A Log table named log in MaxCompute is a partition table, and the partition key is dt. Anew partition is created daily to store the new data of that day. Now we have one month's data, starting from dt='20180101' to dt='20180131', and we may use ________ to delete the data...

Machine Learning Platform for Artificial Intelligence (PAI) node is one of the node types in DataWorks business flow. It is used to call tasks created on PAI and schedule production activities based on the node configuration. PAI nodes can be added to DataWorks only _________. Score 2A . after PAI...

MaxCompute takes Project as a charged unit. The bill is charged according to three aspects: the usage of storage, computing resource, and data download respectively. You pay for compute and storage resources by the day with no long-term commitments. Score 1A . TrueB . FalseView AnswerAnswer: B