In AWS Data Pipeline, an activity is (choose one)
Answer(s): A
http://docs.aws.amazon.com/datapipeline/latest/DeveloperGuide/dp-managingpipeline. html
In AWS Data Pipeline, an activity is a pipeline component that defines the work to perform. All AWS Data Pipeline schedules must have- (choose two)
Answer(s): B,C
Which activities could be run by the data pipeline? (choose two)
Answer(s): A,B
An AWS data pipeline activity can be used to move data from one location to another or to run Hive queries.
With reference to Hadoop MapReduce in Amazon EMR, which of the following best describes "a user-defined unit of processing, mapping roughly to one algorithm that manipulates the data"?
Answer(s): D
A cluster step is a user-defined unit of processing, mapping roughly to one algorithm that manipulates the data.A step is a Hadoop MapReduce application implemented as a Java jar or a streaming program written in Java, Ruby, Perl, Python, PHP, R, or C++.For example, to count the frequency with which words appear in a document, and output them sorted by the count, the first step would be a MapReduce application which counts the occurrences of each word, and the second step would be a MapReduce application which sorts the output from the first step based on the counts.
https://aws.amazon.com/elasticmapreduce/faqs/
Which of the statements below are true of AWS Data Pipeline activities? (choose two)
Answer(s): C,D
Data pipeline activities are extensible - so you can run your own custom scripts to support endless combinations. When you define your pipeline, you can choose to execute it on Activation or create a schedule to execute it on a regular basis.
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