QUESTION: 13

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

In most cases, user can consider the partition to be the directory under the file system
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
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
MaxCompute partition only supports string type and the conversion of any other types is not allowed
The partition value cannot have a double byte characters (such as Chines

Answer(s): B,C,E

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QUESTION: 14

In DataWorks, a task should be instantiated first before a scheduled task is running every time, that is, generating a corresponding instance which is executed for running the scheduled task. The status is different in each phase of the scheduling process, including ________. (Number of correct

Not running
Running
Running Successfully

Answer(s): B,C

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QUESTION: 15

Alibaba Cloud E-MapReduce can be easily plugged with other Alibaba Cloud services such as Log Service, ONS, MNS that act as data ingestion channels from real-time data streams.
Which of the following descriptions about real-time processing are correct? (Number of correct answers: 3)

This data is streamed and processed using Apache
Flume or Kafka in integration with Apache Storm using complex algorithmsB. Kafka is usually preferred with Apache Storm to provide data pipeline
The final processed data can be stored in HDFS, HBase or any other big data store service in real time.
Apache Sqoop is used to do the real-time data transmission of structured data

Answer(s): A,B,C

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