MENDIX ADVANCED EXAM QUESTIONS - VERIFIED
ANSWERS - EVERYTHING YOU NEED TO PASS
Q: Inheritance is used to do what? ANSWER Inherit the structure and
behavior of an entity, so that all specializations can be used individually within
the same process
Q: What is the result of generalizing the Player entity by the Person entity?
ANSWER Two tables, one per entity
Q: 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
Q: Which statement is correct about 1-1 association and inheritance?
ANSWER A 1-1 association is a HAS and inheritance is an IS type of relation
Q: 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
Q: What is the default value of the attribute DeleteAfterDownload?
ANSWER False
Q: Where are the file(s) or image(s) stored by default? ANSWER On the
file server located on the application server
Q: When is it better to place Indexes? ANSWER If there are more Read than
Write actions
Q: What happens when you apply an index? ANSWER The speed of Read
actions will increase
Q: What is the result of the association in the image below? ANSWER A
list of ID's in the Staff object
, Q: 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
Q: Adrian wants to select a staff member for a team. Which domain model
would be suitable? ANSWER Staff * <- * Team
Q: What type of domain model changes can have an impact on the data in
the database? ANSWER Type changes and Structural changes
Q: What are the four stages of data conversion? ANSWER Deploy and
convert, Clean up model, Model the conversion, Extend domain model
Q: 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
Q: What does the function reverse() do? ANSWER It changes the direction
in which the association is queried
Q: What is the best naming for a self-reference where the buddy is
referenced by an apprentice? ANSWER Apprentice_Buddy
Q: What is the correct XPath to retrieve the goals of the buddy of an
apprentice? ANSWER
[SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_Budd
y [reversed()] = '[%CurrentObject%]']
Q: When localize is set to No, the date displayed in the client is based on
what? ANSWER UTC value
Q: Localizing a DateTime attribute has an effect on what? ANSWER Client
representation
Q: If both the App and User time zones are set, the value of the localized
DateTime attribute displayed in the client depends on what? ANSWER
The Client time zone
Q: 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? ANSWER 07/11/2020 12:00 AM
Q: 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? ANSWER
07/11/2020 02:00 AM
ANSWERS - EVERYTHING YOU NEED TO PASS
Q: Inheritance is used to do what? ANSWER Inherit the structure and
behavior of an entity, so that all specializations can be used individually within
the same process
Q: What is the result of generalizing the Player entity by the Person entity?
ANSWER Two tables, one per entity
Q: 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
Q: Which statement is correct about 1-1 association and inheritance?
ANSWER A 1-1 association is a HAS and inheritance is an IS type of relation
Q: 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
Q: What is the default value of the attribute DeleteAfterDownload?
ANSWER False
Q: Where are the file(s) or image(s) stored by default? ANSWER On the
file server located on the application server
Q: When is it better to place Indexes? ANSWER If there are more Read than
Write actions
Q: What happens when you apply an index? ANSWER The speed of Read
actions will increase
Q: What is the result of the association in the image below? ANSWER A
list of ID's in the Staff object
, Q: 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
Q: Adrian wants to select a staff member for a team. Which domain model
would be suitable? ANSWER Staff * <- * Team
Q: What type of domain model changes can have an impact on the data in
the database? ANSWER Type changes and Structural changes
Q: What are the four stages of data conversion? ANSWER Deploy and
convert, Clean up model, Model the conversion, Extend domain model
Q: 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
Q: What does the function reverse() do? ANSWER It changes the direction
in which the association is queried
Q: What is the best naming for a self-reference where the buddy is
referenced by an apprentice? ANSWER Apprentice_Buddy
Q: What is the correct XPath to retrieve the goals of the buddy of an
apprentice? ANSWER
[SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_Budd
y [reversed()] = '[%CurrentObject%]']
Q: When localize is set to No, the date displayed in the client is based on
what? ANSWER UTC value
Q: Localizing a DateTime attribute has an effect on what? ANSWER Client
representation
Q: If both the App and User time zones are set, the value of the localized
DateTime attribute displayed in the client depends on what? ANSWER
The Client time zone
Q: 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? ANSWER 07/11/2020 12:00 AM
Q: 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? ANSWER
07/11/2020 02:00 AM
