Cloudera CDP Data Engineer - Certification - CDP-3002

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Cloudera CDP-3002 Exam Syllabus Topics:

Cloudera CDP Data Engineer - Certification Sample Questions:

Question 1

Your team is using Spark on Kubernetes, and you've been tasked with improving the efficiency of resource utilization. You decide to enable dynamic allocation of executors based on workload. Which of the following PySpark session configurations correctly enables dynamic allocation?

A.

B.

C.

D.

Question 2

What advanced technique can be used in Hive to optimize queries on bucketed tables by skipping unnecessary data?

A. Data encryption at the bucket level
B. Bucket pruning based on query predicates
C. Increasing the replication factor of bucketed data
D. Manually specifying the buckets to scan during query execution

Question 3

What is a potential downside of overly granular partitioning in Hive tables?

A. Automatic data deduplication
B. Increased data security
C. Simplified data management
D. Reduced query performance due to metadata overhead

Question 4

You want to debug an issue within your Spark application that interacts with Hive tables. What tools and techniques can you employ for effective debugging?

A. Implement unit tests for individual Spark operations within your application
B. Print debug statements throughout the code to inspect intermediate data
C. Leverage Spark's web UI and Hive logs for general error messages
D. Use Spark's Lineage Viewer to visualize data flow and identify potential errors

Question 5

How can you leverage the Cloudera Data Engineering service to monitor the performance and health of your data pipelines?

A. Manually review log files generated by individual pipeline steps.
B. Integrate the service with a separate external monitoring tool.
C. Utilize the built-in monitoring capabilities of the Cloudera Data Engineering service, including dashboards and alerts.
D. Utilize custom scripting to collect and analyze pipeline metrics.

Solutions: