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Mendix Advanced Certification Exam Guide:
Comprehensive Questions and Verified Answers
on Domain Modeling, Inheritance, Performance
Optimization, and UI Customization for Low-
Code Development Mastery. Achieve
Guaranteed Pass Scores by Mastering Key
Concepts in Data Conversion, Indexing,
Layouts, Widgets, and Sass Styling for Efficient
Mendix Application Building.
What is inheritance used for?
ANSWER: Inherit the structure and behavior of an entity, so that all
specializations can be used individually within the same process.
What is the result of generalizing the Player entity by the Person entity?
ANSWER: Two tables, one per entity
What will happen to the ID's after generalizing the Player and Staff entities
by the Person entity?
ANSWER: The ID's of Player and Staff will keep their own set and sequence and
will equal the ID in the Person table.
Which statement is correct?
- A 1-1 association and inheritance are both an IS type of relation.
- A 1-1 association is an IS and inheritance is an HAS type of relation.
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- A 1-1 association is a HAS and inheritance is an IS type of relation.
- A 1-1 association and inheritance are both an HAS type of relation.
ANSWER: - A 1-1 association is a HAS and inheritance is an IS type of relation.
Why is it a best practice to create a specialization of the FileDocument and
Image entities?
ANSWER: It allows for better security and property configuration based on
purpose.
What is the default value of the attribute DeleteAfterDownload?
ANSWER: false
Where are the file(s) or image(s) stored by default?
ANSWER: On the file server located on the application server
When it is better to place Indexes?
ANSWER: If there are more Read than Write actions.
What happens when you apply an index?
ANSWER: The speed of Read actions will increase.
What is the result of the association in the image below?
ANSWER: A list of ID's in the Staff object.
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The app performance is affected by a reference set (both) because:
ANSWER: Both entities needs to be joined with the reference table and data
transfer increases.
Adrian wants to select a staff member for a team. Which domain model would be
suitable?
A: Staff * -> * Team
B: Staff * <- * Team ANSWER: B
What type of domain model changes can have an impact on the data in the
database?
ANSWER: Type changes and Structural changes
What are the four stages of data conversion? (multiple answers are correct)
ANSWER: - Deploy and convert
- Clean up model
- Model the conversion
- Extend domain model
Why is it a best practice to redeploy your app after cleaning up the model?
ANSWER: You might be confronted with unexpected and/or complex sync
behavior during a next deployment.
What does the function reverse() do?
ANSWER: It changes the direction in which the association is queried.
Mendix Advanced Certification Exam Guide:
Comprehensive Questions and Verified Answers
on Domain Modeling, Inheritance, Performance
Optimization, and UI Customization for Low-
Code Development Mastery. Achieve
Guaranteed Pass Scores by Mastering Key
Concepts in Data Conversion, Indexing,
Layouts, Widgets, and Sass Styling for Efficient
Mendix Application Building.
What is inheritance used for?
ANSWER: Inherit the structure and behavior of an entity, so that all
specializations can be used individually within the same process.
What is the result of generalizing the Player entity by the Person entity?
ANSWER: Two tables, one per entity
What will happen to the ID's after generalizing the Player and Staff entities
by the Person entity?
ANSWER: The ID's of Player and Staff will keep their own set and sequence and
will equal the ID in the Person table.
Which statement is correct?
- A 1-1 association and inheritance are both an IS type of relation.
- A 1-1 association is an IS and inheritance is an HAS type of relation.
,2|Page
- A 1-1 association is a HAS and inheritance is an IS type of relation.
- A 1-1 association and inheritance are both an HAS type of relation.
ANSWER: - A 1-1 association is a HAS and inheritance is an IS type of relation.
Why is it a best practice to create a specialization of the FileDocument and
Image entities?
ANSWER: It allows for better security and property configuration based on
purpose.
What is the default value of the attribute DeleteAfterDownload?
ANSWER: false
Where are the file(s) or image(s) stored by default?
ANSWER: On the file server located on the application server
When it is better to place Indexes?
ANSWER: If there are more Read than Write actions.
What happens when you apply an index?
ANSWER: The speed of Read actions will increase.
What is the result of the association in the image below?
ANSWER: A list of ID's in the Staff object.
, 3|Page
The app performance is affected by a reference set (both) because:
ANSWER: Both entities needs to be joined with the reference table and data
transfer increases.
Adrian wants to select a staff member for a team. Which domain model would be
suitable?
A: Staff * -> * Team
B: Staff * <- * Team ANSWER: B
What type of domain model changes can have an impact on the data in the
database?
ANSWER: Type changes and Structural changes
What are the four stages of data conversion? (multiple answers are correct)
ANSWER: - Deploy and convert
- Clean up model
- Model the conversion
- Extend domain model
Why is it a best practice to redeploy your app after cleaning up the model?
ANSWER: You might be confronted with unexpected and/or complex sync
behavior during a next deployment.
What does the function reverse() do?
ANSWER: It changes the direction in which the association is queried.
