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What is the purpose of a mongos in MongoDB’s sharded cluster…

What is the purpose of a mongos in MongoDB’s sharded cluster?

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Which null hypothesis is used to test the significance of in…

Which null hypothesis is used to test the significance of independent variables in ordinal logistic regression?

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What does the Catalyst optimizer do in Spark SQL?

What does the Catalyst optimizer do in Spark SQL?

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In MapReduce, what happens during the Shuffle phase?

In MapReduce, what happens during the Shuffle phase?

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In SparkML, what is the difference between a Transformer and…

In SparkML, what is the difference between a Transformer and an Estimator?

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Which SparkML component combines multiple feature columns in…

Which SparkML component combines multiple feature columns into a single vector column?

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Delta Lake stores data in the open [blank1] file format whil…

Delta Lake stores data in the open [blank1] file format while adding a metadata layer for ACID transactions. [response_blank1]

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Which of the following is a Spark transformation (lazy opera…

Which of the following is a Spark transformation (lazy operation)?

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In SparkML, a [blank1] chains together multiple transformers…

In SparkML, a [blank1] chains together multiple transformers and estimators into a single workflow. [response_blank1]

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What problem did the ‘Two-System Architecture’ (separate dat…

What problem did the ‘Two-System Architecture’ (separate data lake and warehouse) create?

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