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ACA-BigData1 Exam Dumps : ACA Big Data Certification Exam

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ACA Big Data Certification Exam Questions and Answers

Question 1

commark is an open-source framework that functions on the service level to support data processing

and analysis operations. Equipped with unified computing resources and data set permissions, Spark on

MaxCompute allows you to submit and run jobs while using your preferred development methods.

Which of the following descriptions about Spark on MaxCompute is NOT correct:

Score 2

Options:

A.

Spark on MaxCompute provides you with native Spark Web UIs.

B.

Different versions of Spark can run in MaxCompute at the same time.

C.

Similar to MaxCompute SQL and MaxCompute MapReduce, Spark on MaxCompute runs in the unified

computing resources activated for MaxCompute projects.

D.

Spark on MaxCompute has a separate permission system which will not allow users to query data

without any additional permission modifications required.

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Question 2

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 2

Options:

A.

URL after the release

B.

URL in the preview

C.

MD5 code obtained after the release

D.

Jar package imported after the release

Question 3

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)

Options:

A.

In most cases, user can consider the partition to be the

directory under the file system

B.

User can specify multiple partitions, that is, multiple

fields of the table are considered as the partitions of the

table, and the relationship among partitions is similar to

that of multiple directories

C.

If the partition columns to be accessed are specified

when using data, then only corresponding partitions are

read and full table scan is avoided, which can improve the

processing efficiency and save costs

D.

MaxCompute partition only supports string type and the

conversion of any other types is not allowed

E.

The partition value cannot have a double byte characters

(such as ChinesE.