MENDIX ADVANCED QUESTIONS EXAM ACTUAL
EXAM 130 QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES||ALREADY GRADED A
Inheritance is used to:
A. Reuse attributes of an entity on other entities, so that you don't
need to add and maintain them multiple times.
B. Inherit the structure and behavior of an entity, so that all
specializations can be used individually within the same process.
C. Keep your domain model maintainable by inheriting the
attributes and associations.
D. Inherit the history of an entity.
.....ANSWER.....B. Inherit the structure and behavior of an entity,
so that all specializations can be used individually within the
same process.
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What is the result of generalizing the Player entity by the Person
entity?
A. Three tables, one per entity plus a join table
B. A single link table to store the ID's of inherited objects
C. Two tables, one per entity
D. A single table containing the Player and Person attributes
.....ANSWER.....C. Two tables, one per entity
What will happen to the ID's after generalizing the Player and
Staff entities by the Person entity?
A. There are no changes to the ID's when inheriting.
B. The ID of the Person part of a Player or Staff will differ from
the specialization part.
C. The ID's of Player and Staff will keep their own set and
sequence and will equal the ID in the Person table.
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D. Same set and sequence for Player and Staff, the ID of person
will differ.
.....ANSWER.....C. 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. A 1-1 association is a HAS and inheritance is an IS type of
relation.
B. A 1-1 association and inheritance are both an HAS type of
relation.
C. A 1-1 association and inheritance are both an IS type of
relation.
D. A 1-1 association is an IS and inheritance is an HAS type of
relation.
.....ANSWER.....A. A 1-1 association is a HAS and inheritance is
an IS type of relation.
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Why is it a best practice to create a specialization of the
FileDocument and Image entities?
A. It allows for better security and property configuration based
on purpose.
B. Otherwise you cannot store a file on an Amazon server.
C. It is visually a better representation of the use case.
D. It is a UML standard. .....ANSWER.....A. It allows for better
security and property configuration based on purpose.
What is the default value of the attribute DeleteAfterDownload?
A. true
B. false .....ANSWER.....B. false
Where are the file(s) or image(s) stored by default?
A. On the local drive of the user
B. On a dedicated Amazon file server