Free Alibaba ACA-BigData1 Exam Actual Questions

The questions for ACA-BigData1 were last updated On Jan 18, 2025

Question No. 1

MaxCompute supports two kinds of charging methods: Pay-As-You-Go and Subscription (CU cost).

Pay-As-You-Go means each task is measured according to the input size by job cost. In this charging

method the billing items do not include charges due to ______.

Score 2

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Correct Answer: B

Question No. 2

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 on 20180101.

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Correct Answer: D

Question No. 3

Synchronous development in DataWorks provides both wizard and script modes.

Score 1

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Correct Answer: A

Question No. 4

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

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Correct Answer: A

Question No. 5

Your company stores user profile records in an OLTP databases. You want to join the serecords with web server logs you have already ingested into the Hadoop file system.

What is the best way to obtain and ingest these user records?

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Correct Answer: C