ACA-BIGDATA1 exam

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: A

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,...

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:...

DataV is a powerful yet accessible data visualization tool, which features geographic information systems allowing for rapid interpretation of data to understand relationships, patterns, and trends. When a DataV screen is ready, it can embed works to the existing portal of the enterprise through ______. Score 2A . URL after...

In MaxCompute, if error occurs in Tunnel transmission due to network or Tunnel service, the user can resume the last update operation through the command tunnel resume; Score 1A . TrueB . FalseView AnswerAnswer: A

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...

There are three types of node instances in an E-MapReducecluster: master, core, and _____ . Score 2A . taskB . zero-loadC . gatewayD . agentView AnswerAnswer: A

DataService Studio in DataWorks aims to build a data service bus to help enterprises centrally manage private and public APIs. DataService Studio allows you to quickly create APIs based on data tables and register existing APIs with the DataService Studio platform for centralized management and release. Which of the following...

When we use the MaxCompute tunnel command to upload the log.txt file to the t_log table, the t_log is a partition table and the partitioning column is (p1 string, p2 string). Which of the following commands is correct?A . tunnel upload log.txt t_log/p1="b1”, p2="b2"B . tunnel upload log.txt t_log/(p1="b1”, p2="b2")C...

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:...