Download ACA Big Data.ACA-BIGDATA1.CertDumps.2023-04-03.60q.vcex

Vendor: Alibaba
Exam Code: ACA-BIGDATA1
Exam Name: ACA Big Data
Date: Apr 03, 2023
File Size: 33 KB
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Demo Questions

Question 1
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
  1. Real-time computing
  2. Python
  3. Java
  4. Scala
Correct answer: D
Question 2
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
  1. A 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.
  2. An ODPS SQL task allows you to edit and maintain the SQL code on the Web, and easily implement code runs, debug, and collaboration.
  3. The 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.
  4. The SHELL node supports standard SHELL syntax and the interactive syntax. The SHELL task can run on the default resource group.
Correct answer: B
Question 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
  1. Spark SQL for SQL and structured data processing
  2. MLlib for machine learning
  3. GraphX for graph processing
  4. TensorFlow for AI
Correct answer: A
Question 4
DataWorks provides two billing methods: Pay-As-You-Go (post-payment) and subscription (pre-payment). When DataWorks is activated in pay-as-you-go mode, Which of the following billing items will not apply?
Score 2
  1. Shared resource groups for scheduling and Data Integration instances
  2. Baseline instances generated by Intelligent Monitor and Data Quality checks
  3. Task nodes created by developer
  4. Calls and execution time of APIs compiled in DataService Studio
Correct answer: C
Question 5
Users can use major BI tools, such as Tablueu and FineReport, to easily connect to MaxCompute projects, and perform BI analysis or ad hoc queries. The quick query feature in MaxCompute is called _________ allows you to provide services by encapsulating project table data in APIs, supporting diverse application scenarios without data migration.
Score 2
  1. Lightning
  2. MaxCompute Manager
  3. Tunnel
  4. Labelsecurity
Correct answer: B
Question 6
If a MySQL database contains 100 tables, and jack wants to migrate all those tables to MaxCompute using DataWorks Data Integration, the conventional method would require him to configure 100 data synchronization tasks. With _______ feature in DataWorks, he can upload all tables at the same time.
Score 2
  1. Full-Database Migration feature
  2. Configure a MySQL Reader plug-in
  3. Configure a MySQL Writer plug-in
  4. Add data sources in Bulk Mode
Correct answer: B
Question 7
Machine Learning Platform for Artificial Intelligence (PAI) node is one of the node types in DataWorks business flow. It is used to call tasks created on PAI and schedule production activities based on the node configuration. PAI nodes can be added to DataWorks only _________ .
Score 2
  1. after PAI experiments are created on PAI
  2. after PAI service is activated
  3. after MaxCompute service is activated
  4. Spark on MaxCompute Machine Learning project is created
Correct answer: B
Question 8
In a scenario where a large enterprise plans to use MaxCompute to process and analyze its data, tens of thousands of tables and thousands of tasks are expected for this project, and a project team of 40 members is responsible for the project construction and O&M. From the perspective of engineering, which of the following can considerably reduce the cost of project construction and management?
Score 2
  1. Develop directly on MaxCompute and use script-timed scheduling tasks
  2. Use DataWorks
  3. Use Eclipse
  4. Use a private platform specially developed for this project
Correct answer: B
Question 9
AliOrg Company plans to migrate their data with virtually no downtime. They want all the data changes to the source database that occur during the migration are continuously replicated to the target, allowing the source database to be fully operational during the migration process. After the database migration is completed, the target database will remain synchronized with the source for as long as you choose, allowing you to switch over the database at a convenient time. Which of the following Alibaba products is the right choice for you to do it:
Score 2
  1. Log Service
  2. DTS(Data Transmission Service)
  3. Message Service
  4. CloudMonitor
Correct answer: B
Question 10
There are three types of node instances in an E-MapReducecluster: master, core, and _____ .
Score 2
  1. task
  2. zero-load
  3. gateway
  4. agent
Correct answer: D
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