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ACA-BigData1 Exam Dumps - ACA Big Data Certification Exam

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Question # 4

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

A.

True

B.

False

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Question # 5

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

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Question # 6

Tom is the administrator of a project prj1 in MaxCompute. The project involves a large volume of

sensitive data such as user IDs and shopping records, and many data mining algorithms with proprietary

intellectual property rights. Tom wants to properly protect these sensitive data and algorithms. To be

specific, project users can only access the data within the project, all data flows only within the project.

What operation should he perform?

Score 2

A.

Use ACL authorization to set the status to read-only for all users

B.

Use Policy authorization to set the status to read-only for all users

C.

Allow the object creator to access the object

D.

Enable the data protection mechanism in the project, using set ProjectProtection=true;

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Question # 7

MaxCompute Tunnel provides high concurrency data upload and download services. User can use

the Tunnel service to upload or download the data to MaxCompute. Which of the following descriptions

about Tunnel is NOT correct:

Score 2

A.

MaxCompute Tunnel provides the Java programming interface for usersB. MaxCompute provides two data import and export methods: using Tunnel Operation on the console

directly or using TUNNEL written with java

B.

If data fails to be uploaded, use the restore command to restore the upload from where it was

interrupted

C.

Tunnel commands are mainly used to upload or download data.They provide the following

functions:upload, download, resume, show, purge etc.

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Question # 8

DataWorks provides two billing methods: Pay-As-You-Go (post-payment) and subscription (prepayment). When DataWorks is activated in pay-as-you-go mode, Which of the following billing items will

not apply?

Score 2

A.

Shared resource groups for scheduling and Data Integration instances

B.

Baseline instances generated by Intelligent Monitor and Data Quality checks

C.

Task nodes created by developer

D.

Calls and execution time of APIs compiled in DataService Studio

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