Question 1

When building an SQL query what should you take into consideration to avoid performance issues?

Options :

A : None of the above.

B : The platform automatically optimizes SQL queries to fetch only fields that are going to be used on the context of the query so there is no need to optimize the select part of the query.

C : Create a database view to perform the query returning only the required fields.

D : Create a specific output structure with only the returned fields.

Answer: D

Question 2

The CreateInterest Service Action logic was changed to make sure it logs the creation of an Interest record in Service Center. Do consumer modules of this action need to be updated to start logging when an Interest is created in the database?

Options :

A : Yes. Changes in Service Actions with inputs or outputs

always require consumers to be updated.

B : No. Changes in Service Actions logic do not

require consumers to be updated

C : No. Changes in Service Actions never require consumers to be updated.

D : Yes. Changes in Service Actions always require the

consumers to be updated.

Answer: B

Question 3

After consuming a WSDL SOAP web service, what does the "Update Web Reference" action in OutSystems do?

Options :

A : Refreshes the web service metadata and updates the structures and methods

B : Deletes the consumed web service reference

C : Changes the endpoint URL of the consumed web service

D : Adds new web service methods to the existing reference

Answer: A

Question 4

Why are maintenance plans crucial for the health of an OutSystems application's database?

Options :

A : They ensure regular rebuild of DB statistics and indexes, among other routines.

B : They prevent users from accessing outdated data.

C : They simplify the application-s user interface.

D : They reduce the number of entities in the database.

Answer: A

Question 5

If you want to have a screen where you have 3 columns when the device is a Phone in portrait and 6 columns otherwise you should:

Options :

A : Use the Gallery pattern an set the ItemsInPhone property to 3. No need to set the values to the Tablet and Desktop as it will have 6 items by default.

B : Use the Column 6 pattern and set PhoneBehavior property to Entities.BreakColumns.Middle.

C : Use a single Column 6 pattern. The app will automatically adapt to what you want.

D : Use the Column 6 and Column 3 patterns with a Switch widget to choose which pattern to show depending on the type and orientation of the device.

Answer: B

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