Alibaba ACA-BigData1 Exam Practice Test Instant Access

Question 1

A business flow in DataWorks integrates different node task types by business type, such a structure

improves business code development facilitation. Which of the following descriptions about the node

type is INCORRECT?

Score 2

AA zero-load node is a control node that does not generate any data. The virtual node is generally used
as the root node for planning the overall node workflow.

BAn ODPS SQL task allows you to edit and maintain the SQL code on the Web, and easily implement
code runs, debug, and collaboration.

CThe PyODPS node in DataWorks can be integrated with MaxCompute Python SDK. You can edit the
Python code to operate MaxCompute on a PyODPS node in DataWorks.

DThe SHELL node supports standard SHELL syntax and the interactive syntax. The SHELL task can run on
the default resource group

Answer : C

Question 2

In MaxCompute, if error occurs in Tunnel transmission due to network or Tunnel service, the user

can resume the last update operation through the command

tunnel resume;.

Score 1

ATrue

BFalse

Answer : A

Question 3

You are working on a project where you need to chain together MapReduce, Hive jobs. You also need the ability to use forks, decision points, and path joins. Which ecosystem project should you use to perform these actions?

AApache HUE

BApache Zookeeper

CApache Oozie

DApache Spark

Answer : C

Question 4

In order to ensure smooth processing of tasks in the Dataworks data development kit, you must create an AccessKey. An AccessKey is primarily used for access permission verification between various Alibaba Cloud products. The AccessKey has two parts, they are ____. (Number of correct answers: 2) Score 2

AAccess Username

BAccess Key ID

CAccess Key Secret

DAccess Password

Answer : B, C

Question 5

Alibaba Cloud Quick BI reporting tools support a variety of data sources, facilitating users to analyze

and present their data from different data sources. ______ is not supported as a data source yet.

Score 2

AResults returned from the API

BMaxCompute

CLocal Excel files

DMySQL RDS

Answer : A

Question 6

Data Migration Unit (DMU) is used to measure the amount of resources consumed by data integration, including CPU, memory, and network. One DMU represents the minimum amount of

resources used for a data synchronization task.

Score 1

ATrue

BFalse

Answer : A

Question 7

By integrating live dashboards, DataV can present and monitor business data simultaneously. This data-driven approach enables for well-organized data mining and analysis allowing the user to seize new opportunities that otherwise might remain hidden. It can support wide range of databases and data formats. Which of the following options DataV does not support?

AAlibaba Cloud' s AnalyticDB, ApsaraDB

BStatic data in CSV and JSON formats

COracle Database

DMaxCompute Project

Answer : D

Alibaba ACA-BigData1 ACA Big Data Certification Exam Practice Test