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| Certification Vendor: | Databricks |
|---|---|
| Exam Name: | Databricks Certified Professional Data Engineer Exam |
| Exam Number: | Databricks-Certified-Professional-Data-Engineer |
| Exam Price: | USD 200 |
| Certificate Validity Period: | 2 years |
| Real Exam Qty: | 60-70 |
| Related Certifications: | Databricks Certified Data Engineer Associate |
| Exam Format: | Multiple choice, Multiple select, Scenario-based questions |
| Passing Score: | 70% |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Recommended Training: | Databricks Academy |
| Exam Registration: | Databricks Certification Portal |
| Sample Questions: | Databricks Databricks-Certified-Professional-Data-Engineer Sample Questions |
| Exam Way: | Online proctored exam |
| Pre Condition: | Recommended: Databricks Certified Data Engineer Associate or equivalent experience with Spark and Databricks platform. |
| Official Syllabus URL: | https://www.databricks.com/learn/certification |
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Databricks Certified Professional Data Engineer is a certification exam that measures individuals' knowledge and skills in using Databricks to manipulate big data. Databricks is a cloud-based data processing platform that allows data engineers to build, deploy, and manage big data processing pipelines. Databricks Certified Professional Data Engineer Exam certification exam is designed to validate the expertise of data engineers who work with Databricks.
NEW QUESTION # 48
Your colleague was walking you through how a job was setup, but you noticed a warning message that said,
"Jobs running on all-purpose cluster are considered all purpose compute", the colleague was not sure why he was getting the warning message, how do you best explain this warning mes-sage?
Answer: C
Explanation:
Explanation
Warning message:
Graphical user interface, text, application, email Description automatically generated
Pricing for All-purpose clusters are more expensive than the job clusters AWS pricing(Aug 15th 2022)Graphical user interface Description automatically generated
Bottom of Form
Top of Form
NEW QUESTION # 49
A data engineer is designing a pipeline in Databricks that processes records from a Kafka stream where late- arriving data is common.
Which approach should the data engineer use?
Answer: D
Explanation:
In Structured Streaming, event-time watermarks control how long the engine waits for late-arriving data before finalizing aggregations. By setting an appropriate watermark, Databricks can handle late data gracefully - incorporating records that arrive within the defined window while discarding excessively delayed events.
This approach ensures accurate aggregations, minimizes state size, and prevents memory leaks.
Manual reprocessing (A) or overwriting entire datasets (B) is inefficient and costly, while Auto CDC (C) is used for change tracking in Delta tables, not for streaming event lateness.
Thus, using watermarking is the recommended and official approach for managing late data in streaming pipelines.
NEW QUESTION # 50
The data governance team is reviewing code used for deleting records for compliance with GDPR. They note the following logic is used to delete records from the Delta Lake table namedusers.
Assuming thatuser_idis a unique identifying key and thatdelete_requestscontains all users that have requested deletion, which statement describes whether successfully executing the above logic guarantees that the records to be deleted are no longer accessible and why?
Answer: A
Explanation:
The code uses the DELETE FROM command to delete records from the users table that match a condition based on a join with another table called delete_requests, which contains all users that have requested deletion. The DELETE FROM command deletes records from a Delta Lake table by creating a new version of the table that does not contain the deleted records. However, this does not guarantee that the records to be deleted are no longer accessible, because Delta Lake supports time travel, which allows querying previous versions of the table using a timestamp or version number. Therefore, files containing deleted records may still be accessible with time travel until a vacuum command is used to remove invalidated data files from physical storage. Verified References: [Databricks Certified Data Engineer Professional], under "Delta Lake" section; Databricks Documentation, under "Delete from a table" section; Databricks Documentation, under
"Remove files no longer referenced by a Delta table" section.
NEW QUESTION # 51
The data engineer team has been tasked with configured connections to an external database that does not have a supported native connector with Databricks. The external database already has data security configured by group membership. These groups map directly to user group already created in Databricks that represent various teams within the company.
A new login credential has been created for each group in the external database. The Databricks Utilities Secrets module will be used to make these credentials available to Databricks users.
Assuming that all the credentials are configured correctly on the external database and group membership is properly configured on Databricks, which statement describes how teams can be granted the minimum necessary access to using these credentials?
Answer: C
Explanation:
In Databricks, using the Secrets module allows for secure management of sensitive information such as database credentials. Granting 'Read' permissions on a secret key that maps to database credentials for a specific team ensures that only members of that team can access these credentials. This approach aligns with the principle of least privilege, granting users the minimum level of access required to perform their jobs, thus enhancing security.
Reference:
Databricks Documentation on Secret Management: Secrets
NEW QUESTION # 52
Which of the below commands can be used to drop a DELTA table?
Answer: B
NEW QUESTION # 53
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Databricks-Certified-Professional-Data-Engineer Answers Real Questions: https://www.dumpsvalid.com/Databricks-Certified-Professional-Data-Engineer-still-valid-exam.html