Comprehensive Exam Questions & Correct Answers (Verified
Answers) | Already Graded A+ | Newest Exam | Just
Released!!
One of your XPath queries that use the contains() function is
not performing
very well. What is the most likely root cause? - ANSWER-You
are using the
function on a string that is set to
'unlimited'.
When using the 'and' operator: - ANSWER-The 'and'
operator will give a
different result based on how you write the
XPath query.
The not() function: - ANSWER-Generates a slow query.
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
, the Location property of my published REST service, open
that URL in your
browser, go to the POST button of your collection and
add a message.
How can you get a response that shows if the POST method
was executed correctly including the provided data? Choose
one of the below. - ANSWER-Go to the connecting microflow of
your POST method, export the information to a JSON String
value, change the HTTPResponse object and create an HTTP
header object.
What type of input parameter do you need for the delete
microflow belonging to the delete method? - ANSWER-A unique
ID to be able to retrieve the object to delete.
Which of the following is a field of a Mendix log message? -
ANSWER-Log node
What is the difference between log messages in Studio Pro and
log messages in the Developer portal? - ANSWER-The log
messages in the Developer Portal have a Source field.
Where do log messages come from? - ANSWER-Log messages
are written by
the person who created the
functionality.