dbt Labs dbt Analytics Engineering Certification - dbt-Analytics-Engineering Exam Practice Test
While reviewing a dbt project, you notice a pattern where ref() calls are chained together:
Model A references Model B, which in turn references Model C.
What's a potential downside of this pattern?
Model A references Model B, which in turn references Model C.
What's a potential downside of this pattern?
Correct Answer: A
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Your team decides to strictly enforce a linear history on the main branch. How does this decision impact your development and merge workflow?
Correct Answer: A
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A raw source table undergoes periodic bulk updates that temporarily disrupt dependent models when they are running. Which of the following strategies might help prevent errors in these models? (Choose two)
Correct Answer: A,C
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You want to standardize descriptions across a large number of models that share the same underlying source schemas. Which approach might be the most efficient?
Correct Answer: A
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You've implemented the built-in dbt.get_column_values macro to display sample data values from a source column directly on the DAG. However, you notice performance issues when loading the docs. Which optimization strategy could you consider?
Correct Answer: B,C,D
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You're planning your production dbt deployment strategy. When deciding between completely separate development and deployment environments vs. using different schemas within a single data warehouse, what are I key factors to weigh?
Correct Answer: A,C,D
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(Multiple Select)
Correct Answer: D
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You need to regularly run performance tests to benchmark a time-sensitive incremental model. These tests involve more complex setup than standard dbt tests. How could you efficiently integrate them into your workflow?
Correct Answer: A,D
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Your team uses a custom macro to generate model descriptions dynamically. However, these descriptions don't appear in the DAG visualization within the documentation. Which of the following might cause this issue?
Correct Answer: B,C,D
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(Multiple Select)
Correct Answer: A,C,D
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You discover an intermittent issue where your models sometimes produce incorrect results. After investigation, the problem seems to occur when the source data contains a particular combination of unexpected values. How would you best address this?
Correct Answer: B,D
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Your company is adopting a "data mesh" philosophy. How might this impact how you structure and use dbt projects?
Correct Answer: D
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