Mendix Advanced Test With Complete
Solutions
Inheritance is used to: CORRECT ANSWERS 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? CORRECT ANSWERS Two tables, one per entity
What will happen to the ID's after generalizing the Player and Staff entities by the Person entity? CORRECT ANSWERS 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.
- 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. CORRECT ANSWERS - 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? CORRECT ANSWERS It allows for better security and property configuration based on purpose.
What is the default value of the attribute DeleteAfterDownload? CORRECT ANSWERS false
Where are the file(s) or image(s) stored by default? CORRECT ANSWERS On the
file server located on the application server
When it is better to place Indexes? CORRECT ANSWERS If there are more Read than Write actions. What happens when you apply an index? CORRECT ANSWERS The speed of Read actions will increase.
What is the result of the association in the image below? CORRECT ANSWERS A list of ID's in the Staff object.
The app performance is affected by a reference set (both) because: CORRECT ANSWERS 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 CORRECT ANSWERS B
What type of domain model changes can have an impact on the data in the database? CORRECT ANSWERS Type changes and Structural changes
What are the four stages of data conversion? (multiple answers are correct) CORRECT ANSWERS - 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? CORRECT ANSWERS You might be confronted with unexpected and/or complex
sync behavior during a next deployment.
What does the function reverse() do? CORRECT ANSWERS It changes the direction in which the association is queried.
What is the best naming for a self-reference where the buddy is referenced by an apprentice? CORRECT ANSWERS Apprentice_Buddy What is the correct XPath to retrieve the goals of the buddy of an apprentice? CORRECT ANSWERS [SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_Buddy [reversed()] = '[%CurrentObject%]']
When localize is set to No, the date displayed in the client is based on the: CORRECT ANSWERS UTC value
Localizing a DateTime attribute has an effect on: CORRECT ANSWERS Client representation
If both the App and User time zones are set, the value of the localized DateTime attribute displayed in the client depends on: CORRECT ANSWERS The Client time zone
Jane in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for a non-localized attribute. What will be the value stored in the database? CORRECT ANSWERS 07/11/2020 12:00 AM
Nick in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for
a non-localized attribute. What will be the date value if Nick converts it to a string in a microflow using formatDateTime? CORRECT ANSWERS 07/11/2020 02:00 AM
The Mendix Client is: CORRECT ANSWERS Built on a combination of HTML, CSS, and JavaScript and runs in your browser.
Static resources in Mendix: CORRECT ANSWERS Include stylesheets transmitted in CSS format to the client.
The Communication between the Mendix Runtime and Database Server: CORRECT ANSWERS Includes communication between the supported database servers using JDBC.
Solutions
Inheritance is used to: CORRECT ANSWERS 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? CORRECT ANSWERS Two tables, one per entity
What will happen to the ID's after generalizing the Player and Staff entities by the Person entity? CORRECT ANSWERS 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.
- 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. CORRECT ANSWERS - 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? CORRECT ANSWERS It allows for better security and property configuration based on purpose.
What is the default value of the attribute DeleteAfterDownload? CORRECT ANSWERS false
Where are the file(s) or image(s) stored by default? CORRECT ANSWERS On the
file server located on the application server
When it is better to place Indexes? CORRECT ANSWERS If there are more Read than Write actions. What happens when you apply an index? CORRECT ANSWERS The speed of Read actions will increase.
What is the result of the association in the image below? CORRECT ANSWERS A list of ID's in the Staff object.
The app performance is affected by a reference set (both) because: CORRECT ANSWERS 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 CORRECT ANSWERS B
What type of domain model changes can have an impact on the data in the database? CORRECT ANSWERS Type changes and Structural changes
What are the four stages of data conversion? (multiple answers are correct) CORRECT ANSWERS - 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? CORRECT ANSWERS You might be confronted with unexpected and/or complex
sync behavior during a next deployment.
What does the function reverse() do? CORRECT ANSWERS It changes the direction in which the association is queried.
What is the best naming for a self-reference where the buddy is referenced by an apprentice? CORRECT ANSWERS Apprentice_Buddy What is the correct XPath to retrieve the goals of the buddy of an apprentice? CORRECT ANSWERS [SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_Buddy [reversed()] = '[%CurrentObject%]']
When localize is set to No, the date displayed in the client is based on the: CORRECT ANSWERS UTC value
Localizing a DateTime attribute has an effect on: CORRECT ANSWERS Client representation
If both the App and User time zones are set, the value of the localized DateTime attribute displayed in the client depends on: CORRECT ANSWERS The Client time zone
Jane in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for a non-localized attribute. What will be the value stored in the database? CORRECT ANSWERS 07/11/2020 12:00 AM
Nick in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for
a non-localized attribute. What will be the date value if Nick converts it to a string in a microflow using formatDateTime? CORRECT ANSWERS 07/11/2020 02:00 AM
The Mendix Client is: CORRECT ANSWERS Built on a combination of HTML, CSS, and JavaScript and runs in your browser.
Static resources in Mendix: CORRECT ANSWERS Include stylesheets transmitted in CSS format to the client.
The Communication between the Mendix Runtime and Database Server: CORRECT ANSWERS Includes communication between the supported database servers using JDBC.
