The Expression widget...

B. ... displays text calculated at runtime.

A. ... displays only static text.

C. ... displays only the result of mathematical expressions.

Regarding the Container widget, which of the following options is false?

D. All containers must have at least one widget inside.

A. Containers allow grouping several widgets.

B. By default, containers can span from 1 column up to 12 columns.

C. Containers can be placed inside other containers.

Client Actions and Server Actions can have the following variables:

C. Input and Output Parameters, as well as Local Variables.

A. Input and Output Parameters, but no Local variables.

B. Input Parameters and Local Variables, but no Output Parameters.

D. Output Parameters and Local Variables, but no Input Parameters.

Regarding the If statement, which of the following options is false?

D. More branches may be added if needed.

A. Both True and False branches are mandatory.

B. Only one of the branches is executed, depending on the If condition's outcome.

C. If statements can also be used to implement ad-hoc loops.

Inside an Action flow...

C. ... the Exception Handler flow can't intersect other flows.

A. ... only one Exception Handler may exist.

B. ... it's mandatory to have at least one Exception Handler.

Considering that we can add several filters to an Aggregate, which of the following options is false?

A. A record is included in the output if it matches at least one of the filters.

B. Filters are concatenated with the AND operator.

C. All filters are translated to SQL and included in the WHERE clause.

D. Logical operators and some built-in functions can be used inside filters.

Regarding Screen Aggregates, which of the following options is false?

C. Screen Aggregates can only be executed when explicitly called.

A. Screen Aggregates run asynchronously and in parallel.

B. Screen Aggregates only exist within the scope of the Screen where they were defined.

D. Screen Aggregates can only fetch data from the database.

Considering ListItem and List Actions, which of the following options is false?

C. When List Items have the full swiping option activated, the List Action is not necessary.

A. List Actions can only be used inside List Items.

B. List Items can be used outside of Lists.

D. The List Action triggers a Screen Action that will have the logic to be executed on swipe.

Which of the following steps is necessary to create a 1-to-many relationship between a Master Entity A and a Detail Entity B?

D. Entity B must have a reference attribute of type Entity A Identifier.

A. Set the data type of the identifier attribute of Entity B to Entity A Identifier.

B. Add a new Entity C, with two reference attributes of type Entity A Identifier and Entity B Identifier.

C. Entity A must have a reference attribute of type Entity B Identifier.

Which of the following options is correct regarding the Valid property of the Form?

A. The Valid property of the Form should be checked after the last custom validation.

B. The Valid property of the Form is automatically changed to False only when all the input fields of the Form are not valid.

C. The Valid property of the Form should be explicitly set to False (e.g. with an Assign) when an input field is not valid.

D. When built-in validations are enabled, the Valid property of the Form is automatically checked before executing the client action logic.

In OutSystems, how do we restrict access to a Screen?

B. In the Screen Properties, untick roles to restrict their access.

A. Go to the Users application and associate the Screen to a specific role.

D. We don't. Only users with a username and password can access.

Which of the following elements can't be used to create calculated attributes in an Aggregate?

D. Server Actions using Entity Attributes.

A. Value of the attributes of the Source Entities.

B. Built-in Functions that can be translated to SQL (e.g. Length(), Power()).

In OutSystems, a Block is a reusable UI component. Which of the following is NOT correct?

D. A Block can only be reused once.

A. A Block promotes reusability, i.e. develop once, reuse many times.

B. A Block encapsulates its own logic.

C. A Block improves maintainability, i.e., change the design or functionality, affect all usages.

In which of the following situations is it necessary to define a handler for a Block Event?

D. When the Event is set to mandatory.

A. When the event has Input Parameters.

B. When the Block has Placeholders.

C. When the event Input Parameters are all mandatory.

Which of the following is the correct order of occurrence of events in a Screen?

A. Initialize, Ready, Render, Destroy.

B. Initialize, Destroy, Ready, Render.

C. Ready, Initialize, Render, Destroy.

D. Initialize, Render, Ready, Destroy.

Which of the following options is correct regarding Client Variables?

D. Client Variables are useful to cache frequently accessed information.

A. The value of a Client Variable is shared among all logged-in users.

B. Lists or Binary Data can also be stored on Client Variables.

C. Client Variables should be used to store confidential information.

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a Development Environment?

A. Service Studio

B. Integration Studio

C. Service Center

MULTIPLE CHOICE QUESTION

A. The values for all 4 default attributes must be defined.

B. Records can only be added and removed during development.

C. The record identifier is the identifier of Static Entity.

D. The Identifier attribute is required for all Static Entities.

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EN-Quiz 1 : Becoming a Reactive Web Developer

28 questions

Which of the following is not a Development Environment?

During the 1-Click Publish, your application data model, code, and interface is compiled and generates .NET code, HTML, JavaScript and CSS. True or False?

In which Service Studio layer can Entities be found?

What happens when a developer publishes a Module?

Which of the following mappings between OutSystems and the Database is NOT correct?

If an Entity Attribute named HouseNumber is created, what needs to be done about its Data Type?

Regarding the Records of a Static Entity, which of the following options is false?

Screens are composed of several elements called Widgets.

The Expression widget...

Regarding the Container widget, which of the following options is false?

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