Certified Data Engineer Associate Exam

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Question 49

Which of the following describes a scenario in which a data engineer will want to use a single-node cluster?

When they are working interactively with a small amount of data

When they are running automated reports to be refreshed as quickly as possible

When they are working with SQL within Databricks SQL

When they are concerned about the ability to automatically scale with larger data

When they are manually running reports with a large amount of data

Correct Answer: A

A data engineer will want to use a single-node cluster when they are working interactively with a small amount of data. Single-node clusters are designed to handle smaller datasets efficiently and do not require the distributed computing capabilities needed for larger datasets or automated reporting tasks.

Discussion

kishanuOption: A

Single node clusters can be used for interactive queries with small dataset

meow_akkOption: A

ans A : A Single Node cluster is a cluster consisting of an Apache Spark driver and no Spark workers. A Single Node cluster supports Spark jobs and all Spark data sources, including Delta Lake. A Standard cluster requires a minimum of one Spark worker to run Spark jobs. https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwidg8mSsYqCAxUmg2oFHbkTDJsQFnoECA4QAw&url=https%3A%2F%2Fdocs.databricks.com%2Fen%2Fclusters%2Fsingle-node.html%23%3A~%3Atext%3DA%2520Single%2520Node%2520cluster%2520is%2Cworker%2520to%2520run%2520Spark%2520jobs.&usg=AOvVaw3PFq3_Qyt2gAAa4id0j6CS&opi=89978449

azure_bimonsterOption: A

A seems correct for this

benni_aleOption: A

A is correct