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| DataWorks - Basic Knowledge | Alibaba |
DataWorks-Basic Knowledge Exam is designed to assess your understanding of the fundamental concepts underlying DataWorks. This exam explores the core principles of DataWorks, focusing on its foundational elements and functionalities. Participants will delve into topics such as data integration, transformation, and management within the DataWorks framework. By explaining how DataWorks operates and its significance in managing data workflows effectively, this exam aims to gauge your comprehension of essential concepts essential for leveraging DataWorks in data-driven environments.
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Always refer to the official Alibaba Documentaion for the most accurate and up-to-date information.
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Exam Question
1. The "Developer" role in DataWorks can add other users to a Workspace, as
long as they are also assigned the "Developer" role.
A. TrueB. False
2. Which of these permissions is NOT granted to the OAM role in DataWorks?
A. Maintenance users are granted with permissions by the project administrator.B. Maintenance users have release permissions.C. Maintenance users can create workflows.D. Maintenance users have online maintenance permissions.
3. Which of these statements about the Project administrator role in
DataWorks is correct?
A. When adding users to a DataWorks Workspace, the Project administrator can only add RAM users under the current accountB. When adding users to a DataWorks Workspace, the Project administrator can add other Alibaba Cloud accounts as users, but not RAM users under the current accountC. The Project administrator does not have permission to edit WorkflowsD. The Project administrator can add users to a Workspace, but not remove them
4.Alibaba Cloud DataWorks only works with MaxCompute.
A. TrueB. False
5.Which of these functions is not provided by DataWorks?
A. VisualizationB. Job SchedulingC. Built-in Workflow EditorD. Monitoring and Alarms
6.Which of these is NOT a time interval supported by DataWorks?
A. DailyB. HourlyC. QuarterlyD. Monthly
7. Which of these is NOT a type of object within a DataWorks project?
A. Table SchemaB. ResourceC. JobD. Workflow
8.Which of these DataWorks roles has permission to deploy Workflows but not
to edit them?
A. DeveloperB. DeployerC. VisitorD. Project administrator
9. Workflows in DataWorks have a type of node called a "Zero-load Node"
which does no work but can be used to indicate the start of a Workflow or to
connect other Nodes together.
A. TrueB. False
10. Which of these is NOT a permission that DataWorks grants to the
Developer role?
A. Developers can create Workflows.B. Developers can manage data sources within the DataWorks Workspace (i.e. can add/remove data sources).C. Developers can create new script files and new UDF functions.D. Developers can publish packages.
11.When using MaxCompute with DataWorks, it is possible to create and run
multiple types of jobs on top of MaxCompute, including MaxCompute SQL Jobs,
MapReduce Jobs, and Spark jobs.
A. TrueB. False
12.Which of these are good reasons to choose Standard Mode over Basic Mode,
when setting up a new DataWorks Workspace? (Number of correct answers: 2)
A. DataWorks Workspaces in Standard Mode can provide more fine-grained user permissions because it is possible to separate Development from ProductionB. DataWorks Workspaces in Standard Mode cost lessC. Workspaces in Standard Mode allow developers to test code first before deploying it into productionD. Code runs faster in Standard Mode
13.Which of these are techniques you can use to debug DataWorks Workflows,
if they fail to run? (Number of correct answers: 2)
A. Look at the logs for the failed node(s) in the workflow: they usually contain helpful informationB. Step through your Workflow one node at a time, and use an Ad-hoc MaxCompute SQL node to check the table(s) output by each step to ensure there are no data quality issuesC. Buy a third party debugging toolD. Use the MaxCompute command-line tool to run your code instead of DataWorks
14.Which of these are "compute engines" that DataWorks can work with?
(Number of correct answers: 3)
A. MaxComputeB. HBaseC. AnalyticDBD. E-MapReduce (EMR)
15.Which of these statements about MaxCompute is true? (Number of correct
answers: 2)
A. MaxCompute charges an up-front monthly fee for data storageB. MaxCompute tables are designed to be appended to, but existing records cannot be updated (SQL UPDATE and DELETE are not supported)C. MaxCompute has its own SQL language dialect, called "ODPS SQL" or sometimes "MaxCompute SQL"D. MaxCompute is the same thing as Hadoop Hive