AliCloud ACA-BIGDATA1 ACA Big Data Certification Exam Online Training
AliCloud ACA-BIGDATA1 Online Training
The questions for ACA-BIGDATA1 were last updated at Dec 25,2024.
- Exam Code: ACA-BIGDATA1
- Exam Name: ACA Big Data Certification Exam
- Certification Provider: AliCloud
- Latest update: Dec 25,2024
There are three types of node instances in an E-MapReducecluster: master, core, and _____ . Score 2
- A . task
- B . zero-load
- C . gateway
- D . agent
There are various methods for accessing to MaxCompute, for example, through management console, client command line, and Java API. Command line tool odpscmd can be used to create, operate, or delete a table in a project. Score 1
- A . True
- B . False
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 . tunnel upload log.txt t_log/p1="b1"/p2="b2"
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 2
- A . Upload: Supports file or directory (level-one) uploading. Data can only be uploaded to a single table or table partition each time.
- B . Download: You can only download data to a single file. Only data in one table or partition can be downloaded to one file each time. For partitioned tables, the source partition must be specified.
- C . Resume: If an error occurs due to the network or the Tunnel service, you can resume transmission of the file or directory after interruption.
- D . Purge: Clears the table directory. By default, use this command to clear information of the last three days.
If a task node of DataWorks is deleted from the recycle bin, it can still be restored.
- A . True
- B . False