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Databricks Certified-Data-Engineer-Professional Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Monitoring and Alerting | - Alerting
|
| Debugging and Deploying | - Deploying CI/CD
|
| Data Governance | - Govern enterprise data
|
| Data Sharing and Federation | - Share and federate data
|
| Ensuring Data Security and Compliance | - Applying Data Security Mechanisms
|
| Cost & Performance Optimization | - Optimize cost and performance
|
| Data Transformation, Cleansing, and Quality | - Transform and validate data
|
| Data Ingestion & Acquisition | - Design and implement data ingestion pipelines
|
| Data Modeling | - Design and optimize data models
|
| Developing Code for Data Processing using Python and SQL | - Building and Testing an ETL Pipeline with Lakeflow Declarative Pipelines, SQL, and Apache Spark
|
Databricks Certified Data Engineer Professional Sample Questions:
1. A data engineer wants to automate job monitoring and recovery in Databricks using the Jobs API.
They need to list all jobs, identify a failed job, and rerun it. Which sequence of API actions should the data engineer perform?
A) Use the jobs/cancel endpoint to remove failed jobs, then recreate them with jobs/create and run the new ones.
B) Use the jobs/get endpoint to retrieve job details, then use jobs/update to rerun failed jobs.
C) Use the jobs/list endpoint to list jobs, check job run statuses with jobs/runs/list, and rerun a failed job using jobs/run-now.
D) Use the jobs/list endpoint to list jobs, then use the jobs/create endpoint to create a new job, and run the new job using jobs/run-now.
2. An external object storage container has been mounted to the location /mnt/finance_eda_bucket.
The following logic was executed to create a database for the finance team:
After the database was successfully created and permissions configured, a member of the finance team runs the following code:
If all users on the finance team are members of the finance group, which statement describes how the tx_sales table will be created?
A) A logical table will persist the query plan to the Hive Metastore in the Databricks control plane.
B) A managed table will be created in the DBFS root storage container.
C) An managed table will be created in the storage container mounted to /mnt/finance_eda_bucket.
D) An external table will be created in the storage container mounted to /mnt/finance eda bucket.
E) A logical table will persist the physical plan to the Hive Metastore in the Databricks control plane.
3. A data engineer is reviewing the PySpark code to copy a part of the production dataset to the sandbox environment, and needs to be sure that no PII(Personally Identifiable Information) data is being copied. After checking the sales table, the data engineer notices that it has user emails as the only PII data included as well as being the only column to identify the user.
from pyspark.sql import functions as F
Which anonymised code should be used to achieve the required outcome?
A) df.withColumn ("hashed_email", sha2 ("user_email"))
B) df.withColumn ("user_emai", F.expr("uuid()"))
C) df.withColumn ("user_email", F.regexp_replace ("user_eamail", "@*", "@anonymized.com"))
D) df.withColumn ("user_email", F.sha2 ("user_email"))
4. Which Python variable contains a list of directories to be searched when trying to locate required modules?
A) sys.path
B) os.path
C) pypi.path
D) pylib.source
E) importlib.resource path
5. What describes a primary technical challenge in ensuring consistent PII masking across all nodes in large-scale, distributed Databricks batch and streaming pipelines?
A) PII masking is only required for direct identifiers.
B) Native masking in Databricks automatically synchronizes with all downstream external Databricks systems.
C) Dynamic data masking is applied only at rest, so it does not affect query performance.
D) Masking functions must be standardized and managed through Unity Catalog, with enforcement applied across all relevant datasets to avoid any data inconsistency.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: D |
