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

Comment: *

Name: *

Email: *

Verification: *

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.True
• B.False

Comment: *

Name: *

Email: *

Verification: *

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.Spark SQL for SQL and structured data processing
• B.GraphX for graph processing
• C.MLlib for machine learning
• D.TensorFlow for AI

Comment: *

Name: *

Email: *

Verification: *

MaxCompute Tunnel provides high concurrency data upload and download services. User can use the Tunnel service to upload or download the data to MaxCompute. Which of the following descriptions about Tunnel is NOT correct:
Score 2

• A.MaxCompute Tunnel provides the Java programming interface for usersB. MaxCompute provides two data import and export methods: using Tunnel Operation on the console directly or using TUNNEL written with java
• B.Tunnel commands are mainly used to upload or download data.They provide the following functions:upload, download, resume, show, purge etc.
• C.If data fails to be uploaded, use the restore command to restore the upload from where it was interrupted

Comment: *

Name: *

Email: *

Verification: *

In order to improve the processing efficiency when using
MaxCompute, you can specify the partition when creating a
table. That is, several fields in the table are specified as
partition columns. Which of the following descriptions aboutMaxCompute partition table are correct?
(Number of correct
answers: 4)

• A.The partition value cannot have a double byte characters
  (such as ChinesE.
• B.User can specify multiple partitions, that is, multiple
  fields of the table are considered as the partitions of the
  table, and the relationship among partitions is similar to
  that of multiple directories
• C.MaxCompute partition only supports string type and the
  conversion of any other types is not allowed
• D.If the partition columns to be accessed are specified
  when using data, then only corresponding partitions are
  read and full table scan is avoided, which can improve the
  processing efficiency and save costs
• E.In most cases, user can consider the partition to be the
  directory under the file system

Comment: *

Name: *

Email: *

Verification: *