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ACA-BigData1 Exam Dumps - Alibaba Cloud Alibaba Big data Questions and Answers

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Questions 4

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 2

Options:

A.

after PAI experiments are created on PAI

B.

after PAI service is activated

C.

after MaxCompute service is activated

D.

Spark on MaxCompute Machine Learning project is created

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Questions 5

In DataWorks table permission system, you can revoke permissions only on the fields whose security level is higher than the security level of your account.

Score 1

Options:

A.

True

B.

False

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Questions 6

DataWorks can be used to develop and configure data sync tasks. Which of the following statements

are correct? (Number of correct answers: 3)

Score 2

Options:

A.

The data source configuration in the project management is required to add data source

B.

Some of the columns in source tables can be extracted to create a mapping relationship between

fields, and constants or variables can't be added

C.

For the extraction of source data, "where" filtering clause can be referenced as the criteria of

incremental synchronization

D.

Clean-up rules can be set to clear or preserve existing data before data write

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Questions 7

Apache Spark included in Alibaba E-MapReduce(EMR) is a fast and general-purpose cluster computing

system. It provides high-level APIs in Java, Scala, Python and R, and an optimized engine that supports

general execution graphs. It also supports a rich set of higher-level tools. Which of the following tools

does not be included in Spark?

Score 2

Options:

A.

Spark SQL for SQL and structured data processing

B.

MLlib for machine learning

C.

GraphX for graph processing

D.

TensorFlow for AI

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Exam Code: ACA-BigData1
Exam Name: ACA Big Data Certification Exam
Last Update: May 1, 2024
Questions: 78
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