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The Databricks Certified Data Engineer Professional certification exam assesses an individual’s ability to use Databricks to perform advanced data engineering tasks. This includes an understanding of the Databricks platform and developer tools like Apache Spark, Delta Lake, MLflow, and the Databricks CLI and REST API. It also assesses the ability to build optimized and cleaned ETL pipelines. Additionally, modeling data into a Lakehouse using knowledge of general data modeling concepts will also be assessed. Finally, ensuring that data pipelines are secure, reliable, monitored, and tested before deployment will also be included in this exam. Individuals who pass this certification exam can be expected to complete advanced data engineering tasks using Databricks and its associated tools.

Duration: 120 minutes

Questions: 60 multiple-choice questions

Cost: $200

Databricks Tooling – 20% (12/60)

Data Processing – 30% (18/60)

Data Modeling – 20% (12/60)

Security and Governance – 10% (6/60)

Monitoring and Logging – 10% (6/60)

Testing and Deployment – 10% (6/60)

1. Which of the following locations in Databricks product architecture hosts jobs/pipelines and queries?

A.Data plane

B.Control plane

C.Databricks Filesystem

D.JDBC data source

E.Databricks web application

Answer: B

2. Which of the following type of tasks cannot setup through a job?

A.Notebook

B.DELTA LIVE PIPELINE

C.Spark Submit

D.Python

E.Databricks SQL Dashboard refresh

Answer: E

3. Which of the following functions can be used to convert JSON string to Struct data type?

A.TO_STRUCT (json value)

B.FROM_JSON (json value)

C.FROM_JSON (json value, schema of json)

D.CONVERT (json value, schema of json)

E.CAST (json value as STRUCT)

Answer: C

4. Drop the customers database and associated tables and data, all of the tables inside the database are managed tables. Which of the following SQL commands will help you accomplish this?

A.DROP DATABASE customers FORCE

B.DROP DATABASE customers CASCADE

C.DROP DATABASE customers INCLUDE

D.All the tables must be dropped first before dropping database

E.DROP DELTA DATABSE customers

Answer: C

5. What is the underlying technology that makes the Auto Loader work?

A.Loader

B.Delta Live Tables

C.Structured Streaming

D.DataFrames

E.Live DataFames

Answer: C