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Exam Certified Data Engineer Professional topic 1 question 33 discussion

Actual exam question from Databricks's Certified Data Engineer Professional
Question #: 33
Topic #: 1
[All Certified Data Engineer Professional Questions]

The data engineering team is migrating an enterprise system with thousands of tables and views into the Lakehouse. They plan to implement the target architecture using a series of bronze, silver, and gold tables. Bronze tables will almost exclusively be used by production data engineering workloads, while silver tables will be used to support both data engineering and machine learning workloads. Gold tables will largely serve business intelligence and reporting purposes. While personal identifying information (PII) exists in all tiers of data, pseudonymization and anonymization rules are in place for all data at the silver and gold levels.
The organization is interested in reducing security concerns while maximizing the ability to collaborate across diverse teams.
Which statement exemplifies best practices for implementing this system?

  • A. Isolating tables in separate databases based on data quality tiers allows for easy permissions management through database ACLs and allows physical separation of default storage locations for managed tables.
  • B. Because databases on Databricks are merely a logical construct, choices around database organization do not impact security or discoverability in the Lakehouse.
  • C. Storing all production tables in a single database provides a unified view of all data assets available throughout the Lakehouse, simplifying discoverability by granting all users view privileges on this database.
  • D. Working in the default Databricks database provides the greatest security when working with managed tables, as these will be created in the DBFS root.
  • E. Because all tables must live in the same storage containers used for the database they're created in, organizations should be prepared to create between dozens and thousands of databases depending on their data isolation requirements.
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Suggested Answer: A 🗳️
by chokthewa at Oct. 21, 2023, 8:16 a.m.

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arekm
1 month ago
Selected Answer: A
A - most logical B - it is a logical construct, but under default settings tables are stored where the database is so there is a security component to it C - never a good idea to store everything in one db since db allows to group tables with similar area of interest and allows to manage permissions (like groups in Entra and assigning permissions to groups) D - not default database does not mean we cannot use managed tables and you can specify your location still; I do not think that storing anything on DBFS is a good idea - even Databricks suggests to use workspaces for your code, not to mention the data. E - thousand databases - nonsense; you can specify the location of individual tables.
upvoted 2 times
arekm
1 month ago
Correction to D explanation - apparently the default location is bfs
upvoted 1 times
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strayda
7 months, 3 weeks ago
Selected Answer: A
The most logical answer is A
upvoted 1 times
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imatheushenrique
8 months, 1 week ago
A is correct
upvoted 2 times
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ojudz08
11 months, 3 weeks ago
Selected Answer: A
answer is A
upvoted 1 times
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AziLa
1 year ago
Correct Ans is A
upvoted 2 times
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Enduresoul
1 year, 2 months ago
Selected Answer: A
A is correct
upvoted 2 times
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