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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
C. On the file server located on the application server
D. As binary in the contents of an attribute - ANSWER -C. On the file
server located on the application server
When it is better to place Indexes?
A. If a user starts complaining.
B. If you expect it might improve performance.
C. If there are more Read than Write actions.
D. If there are more Write than Read actions. - ANSWER -C. If there
are more Read than Write actions.
,What happens when you apply an index?
A. The speed of Update and Inserts will increase.
B. The speed of Read actions will increase.
C. The speed of Read actions will decrease.
D. The speed of Write actions will increase. - ANSWER -B. The speed
of Read actions will increase.
The app performance is affected by a reference set (both) because:
A. You cannot store additional information in a reference set (both).
B. The join table must be queried as well.
C. There is no impact on performance, this depends only on how the
association is queried.
D. Both entities needs to be joined with the reference table and data
transfer increases. - ANSWER -D. Both entities needs to be joined with
the reference table and data transfer increases.
What type of domain model changes can have an impact on the data in
the database?
A. Structural changes and Project changes
B. Type changes and Structural changes
C. Module changes and Project changes
D. Domain model changes and Type changes - ANSWER -B. Type
changes and Structural changes
What are the four stages of data conversion? (multiple ANSWERs are
correct)
A. Search for good conversion tables
B. Skip them all and just do it
C. Clean up model
, D. Model the conversion
E. Deploy and convert
F. Sing a nice song
G. Extend domain model - ANSWER -C. Clean up model
D. Model the conversion
E. Deploy and convert
G. Extend domain model
Why is it a best practice to redeploy your app after cleaning up the
model?
A. You might be confronted with unexpected and/or complex sync
behavior B. during a next deployment.
C. It is not considered a best practice; only junior developers benefit
from it.
It has always been done this way. Legacy support.
D. Obsolete data in the database cannot have security applied and thus
creates a security breach. - ANSWER -A. You might be confronted with
unexpected and/or complex sync behavior
What does the function reversed() do?
A. It reverses the order of the returned list.
B. It changes the direction in which the association is queried.
C. It reverses the time used for the query.
D. It reverses the previous query so that you can execute it another time.
- ANSWER -B. 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?
A. Apprentice_Buddy