DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #143
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #143: Real Exam Question with Answer & Explanation
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Question
A Spark application has a 128 GB DataFrame A and a 1 GB DataFrame B. If a broadcast join were to be performed on these two DataFrames, which of the following describes which DataFrame should be broadcasted and why?
Options
- AEither DataFrame can be broadcasted. Their results will be identical in result and efficiency.
- BDataFrame B should be broadcasted because it is smaller and will eliminate the need for the
- CDataFrame A should be broadcasted because it is larger and will eliminate the need for the
- DDataFrame B should be broadcasted because it is smaller and will eliminate the need for the
- EDataFrame A should be broadcasted because it is smaller and will eliminate the need for the
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