Free Alibaba Cloud ACA-BigData1 Practice Exam with Questions & Answers

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

MaxCompute tasks contain computational tasks and non-computational tasks. The

computational tasks require actual operations on data stored in the table. MaxCompute

parses the task to obtain its execution plan, and submits the task for execution. The noncomputational

tasks require substantial reading of and modification to metadata

information. Therefore, the task is not parsed, and no execution plan is provided. The

task is directly submitted for execution. The latter one has a faster response speed than

the former one. Which of the following operations on the table t_test is a computational

task?

Scenario: Jack is the administrator of project prj1. The project involves a large volume of

sensitive data such as bank account, medical record, etc. Jack wants to properly protect

the data. Which of the follow statements is necessary?

Alibaba Cloud E-MapReduce can be easily plugged with other

Alibaba Cloud services such as Log Service, ONS, MNS that act

as data ingestion channels from real-time data streams. Which

of the following descriptions about real-time processing are

correct? (Number of correct answers: 3)

In DataWorks, a task should be instantiated first before a

scheduled task is running every time, that is, generating a

corresponding instance which is executed for running the

scheduled task. The status is different in each phase of the

scheduling process, including ________. (Number of correct

answers: 3)

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

Synchronous development in DataWorks provides both wizard and script modes.

Score 1

Project is an important concept in MaxCompute. A user can create multiple projects, and each object

belongs to a certain project.

Score 1

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

The FTP data source in DataWorks allows you to read/write data to FTP, and supports configuring

synchronization tasks in wizard and script mode.

Score 1