ACA-BigData1試験無料問題集（77題）「Alibaba Cloud ACA Big Data Certification 認定」

出題：1

If the DataWorks(MaxCompute) tables in your request belong to two owners. In this case, Data Guard(DataWorks component) automatically splits your request into two by table owner.
Score 1

A. True

B. False

正解：A 解答を投票する

出題：2

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. 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

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. 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.

正解：C 解答を投票する

出題：3

Apache Spark included in Alibaba E-MapReduce(EMR) is a fast and general-purpose cluster computing system. It provides high-level APIs in Java, Scala, Python and R, and an optimized engine that supports general execution graphs. It also supports a rich set of higher-level tools. Which of the following tools does not be included in Spark?
Score 2

A. TensorFlow for AI

B. Spark SQL for SQL and structured data processing

C. MLlib for machine learning

D. GraphX for graph processing

正解：A 解答を投票する

出題：4

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

B. Allow the object creator to access the object

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

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

正解：D 解答を投票する

出題：5

In each release of E-MapReduce, the software and software version are flexible. You can select multiple software versions.
Score 1

A. True

B. False

正解：B 解答を投票する

出題：6

Alibaba Cloud Elastic MapReduce (E-MapReduce) is a big data processing solution to quickly process huge amounts of data. Based on open source Apache Hadoop and Apache Spark, E-MapReduce flexibly manages your big data use cases such as trend analysis, data warehousing, and analysis of continuously streaming data.
Score 1

A. True

B. False

正解：A 解答を投票する

出題：7

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

A. Results returned from the API

B. Local Excel files

C. MySQL RDS

D. MaxCompute

正解：A 解答を投票する

出題：8

DataWorks can be used to create all types of tasks and configure scheduling cycles as needed. The supported granularity levels of scheduling cycles include days, weeks, months, hours, minutes and seconds.
Score 1

A. True

B. False

正解：B 解答を投票する

ACA-BigData1試験無料問題集「Alibaba Cloud ACA Big Data Certification 認定」