Online Access Free ACA-BigData1 Practice Test

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

• A.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.
• B.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.
• C.The SHELL node supports standard SHELL syntax and the interactive syntax. The SHELL task can run on the default resource group
• D.An ODPS SQL task allows you to edit and maintain the SQL code on the Web, and easily implement code runs, debug, and collaboration.

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?

• A.add accountprovider ram;
• B.use prj1;
• C.set ProjectACL=true;
• D.set ProjectProtection=true;

A start-up company wants to use Alibaba Cloud MaxCompute to provide product recommendation services for its users. However, the company does not have much users at the initial stage, while the charge for MaxCompute is higher than that of ApsaraDB RDS, so the company should be recommended to use MaxCompute service until the number of its users increases to a certain size.
Score 1

• A.False
• B.True

When we use the MaxCompute tunnel command to upload the log.txt file to the t_log table, the t_log is a partition table and the partitioning column is (p1 string, p2 string).
Which of the following commands is correct?

• A.tunnel upload log.txt t_log/p1="b1", p2="b2"
• B.tunnel upload log.txt t_log/(p1="b1", p2="b2")
• C.tunnel upload log.txt t_log/p1="b1"/p2="b2"

An enterprise uses Alibaba Cloud MaxCompute for storage of service orders, system logs and management data. Because the security levels for the data are different, it is needed to register multiple Alibaba Cloud accounts for data management.
Score 1

• A.False
• B.True