EXAM QUESTIONS AND CORRECT ANSWERS (VERRIFIED
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How does the platform use entity access XPaths to enforce
security? - ANSWER-The XPaths are added to all the relevant
database retrieves.
Where are entity access restrictions applied? - ANSWER-On
relevant database
retrieves.
Which of the following best describes how the Mendix
platform applies entity
access? - ANSWER-The platform only grants the access
explicitly defined in
the entity access
rules.
,In this domain model, assume that House is a specialization of
Building: - ANSWER-Admin users will be able to read the
SquareFoot attribute in data views for Buildings and read and
write in data views for Houses.
Referring to the same domain model as was used in question
#2, if we create a page with a data grid containing Houses and
autogenerate a House_NewEdit page, which of the following
statements is FALSE for an Admin user? - ANSWER-Admin
users will not see the SquareFoot attribute in the Edit page.
Why is it more secure to add security rules on the entity
level? - ANSWER-
Entity level restrictions are applied at the database level
and are thus
automatically applied throughout the
application.
For the following questions, assume there is an app with three
user roles: Administrator, Teacher, and Student. Administrators
are granted the ability to manage all user roles, and Teachers
can manage users with the Student role. Which of the following
statements is false? - ANSWER-Administrators and teachers
can create teacher accounts.
,Let's say you want Teachers to be able to manage accounts for
Students, but only the Students who are in their class. So, you
grant Teachers the ability to manage users with the Student
role in the app security menu. Will this be sufficient? -
ANSWER-No, because teachers will have the ability to edit the
accounts of any Student, not just their own.
What is a benefit of assigning only one user role to each
user? - ANSWER-
Simplicity
Which statement best describes how you would retrieve all
related objects in the most optimal way? - ANSWER-When
comparing to a related entity, it is enough to stop at the
association to get the most optimal query.
When should you apply an index? - ANSWER-You should apply
indexes on attributes that are used in searches when the
performance of your app is not up to par.
What is normalization? - ANSWER-The removal of duplicate
data from your
domain
model.
, Why would you want to do normalization? - ANSWER-To remove
duplicate data
from your app so you can avoid insertion, update, and
deletion anomalies.
What is denormalization? - ANSWER-The duplication of
information in several
entities to increase
performance.
What set-up items do you need to have in place before
creating your REST
methods? Choose one of the below. - ANSWER-An entity
with attributes, a
Published REST service and a resource in the Published
REST service
What does a GET method do? Choose one of the below -
ANSWER-Allows information sharing between my app and
other apps, where the other system can determine when to
retrieve that shared information.
How can I test my POST method? Choose one of the below. -
ANSWER-Find