Summer Sale Limited Time 65% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: ecus65

Alibaba Cloud ACA-BigData1 - ACA Big Data Certification Exam

Alibaba Cloud ACA-BigData1 Premium Access     Download Demo    
Page: 2 / 3
Total 78 questions

Function Studio is a web project coding and development tool independently developed by the

Alibaba Group for function development scenarios. It is an important component of DataWorks.

Function Studio supports several programming languages and platform-based function development

scenarios except for ______ .

Score 2

A.

Real-time computing

B.

Python

C.

Java

D.

Scala

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.

Resource is a particular concept of MaxCompute. If you want to use user-defined

function UDF or MapReduce, resource is needed. For example: After you have prepared UDF, you must

upload the compiled jar package to MaxCompute as resource. Which of the following objects are

MaxCompute resources? (Number of correct answers: 4)

Score 2

A.

Files

B.

Tables: Tables in MaxCompute

C.

Jar: Compiled Java jar package

D.

Archive: Recognize the compression type according to the postfix in the resource name

E.

ACL Policy

Which node type in DataWorks can edit the Python code to operate data in MaxCompute?

Score 2

A.

PyODPS

B.

ODPS MR Node

C.

ODPS Script Node

D.

SHELL node

DataWorks provides powerful scheduling capabilities including time-based or dependency-based

task trigger mechanisms to perform tens of millions of tasks accurately and punctually each day based

on DAG relationships. It supports multiple scheduling frequency configurations like: (Number of correct

answers: 4)

Score 2

A.

By Minute

B.

By Hour

C.

By Day

D.

By Week

E.

By Second

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;

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

A.

URL after the release

B.

URL in the preview

C.

MD5 code obtained after the release

D.

Jar package imported after the release

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"

DataService Studio in DataWorks aims to build a data service bus to help enterprises centrally

manage private and public APIs. DataService Studio allows you to quickly create APIs based on data

tables and register existing APIs with the DataService Studio platform for centralized management and

release. Which of the following descriptions about DataService Studio in DataWorks is INCORRECT?

Score 2

A.

DataService Studio is connected to API Gateway. Users can deploy APIs to API Gateway with oneclick.

B.

DataService Studio adopts the serverless architecture. All you need to care is the query logic of APIs,

instead of the infrastructure such as the running environment.

C.

To meet the personalized query requirements of advanced users, DataService Studio provides the

custom Python script mode to allow you compile the API query by yourself. It also supports multi-table

association, complex query conditions, and aggregate functions.

D.

Users can deploy any APIs created and registered in DataService Studio to API Gateway for

management, such as API authorization and authentication, traffic control, and metering