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Last Update 10 hours ago Total Questions : 78
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Synchronous development in DataWorks provides both wizard and script modes.
Score 1
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
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
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?
The data development mode in DataWorks has been upgraded to the three-level structure
comprising of _____, _____, and ______. (Number of correct answers: 3)
Score 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
One Alibaba Cloud account is entitled to join only one organization that uses DataWorks.
You are working on a project where you need to chain together MapReduce, Hive jobs.
You also need the ability to use forks, decision points, and path joins. Which ecosystem
project should you use to perform these actions?
MaxCompute SQL is suitable for processing less real-time massive data, and employs a
syntax similar to that of SQL. The efficiency of data query can be improved through
creating proper indexes in the table.
You want to understand more about how users browse your public website. For example,
you want to know which pages they visit prior to placing an order. You have a server farm
of 100 web servers hosting your website. Which is the most efficient process to gather
these web servers across logs into traditional Hadoop ecosystem.
