Regarding Mobile (Phone or Tablet) Apps in OutSystems, which of the following options is false?

C. Mobile Apps do not have offline capabilities.

A. Mobile Apps can run natively on iOS and Android.

B. Mobile Apps can be distributed as a PWA.

D. The programming model of Mobile Apps is similar to Reactive Web Apps.

What happens when a developer publishes a module?

A. The OutSystems platform compiles it and generates the HTML, CSS, and JavaScript.

D. The code is uploaded but only compiled when a user accesses the application.

Which of the following options is false regarding Modules and Applications?

C. Elements can be exposed and reused, but only within the same application.

A. An application is composed of a set of modules.

B. Modules can be of different types such as Reactive Web App, Blank or Extension.

D. A module that reuses an element from another module is called a Consumer.

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

C. Reference attribute - Primary Key.

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

D. Nothing, it will automatically be set to Integer.

A. It should be set to Integer.

B. It should be set to Decimal.

C. Nothing, it will automatically be set to Identifier.

Which of the following is a characteristic of a Static Entity?

B. It contains a set of Records.

A. It can't be changed after the first publish.

D. It can't be extended with any new attributes.

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

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.

What type of variables can be created inside a Screen?

C. Input Parameters and Local Variables.

D. Input Parameters, Output Parameters, and Local Variables.

The Expression widget...

B. ... displays text calculated at runtime.

A. ... displays only static text.

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

Which of the following behaviors is true for Links and Buttons?

C. Links and Buttons can either Navigate to screens or trigger Screen Actions.

A. Links can only navigate to Screens.

B. Buttons can only have a Screen Action as an On Click Destination.

D. Only Links can navigate to external URLs.

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

B. More branches may be added to an If Widget.

A. Functions can be used inside the Condition of an If.

C. Only one of the branches is shown at runtime.

D. Multiple widgets may be added inside each branch.

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.

Which of the following options is correct?

D. Client Actions can call Server Actions.

A. Screen Actions can call other Screen Actions from a different screen.

B. Client Actions can call Screen Actions.

C. Server Actions can call Client Actions.

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.

The flow of an action can have...

C. ... only one Start node but multiple End nodes.

A. ... multiple Start and End nodes.

B. ... one or more Start nodes but only one End node.

D. ... only one Start node and one End node.

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.

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

B. Every branch that evaluates to True is executed.

A. The first branch that the condition evaluates to True is executed.

C. If no branch evaluates to True, the Otherwise branch is executed.

D. The Otherwise branch must exist.

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.

If we have multiple Exception Handlers in an Action flow and an Exception is raised...

B. ... the execution is moved to the Exception Handler that is most specific to the Exception.

A. ... the execution is always moved to the Global Exception Handler.

C. ... the execution is moved to all Exception Handlers of the Action.

D. ... a Switch statement is needed to select which Exception Handler will continue the execution.

In an Aggregate, the Sources section is used for...

B. Defining the Entities we want to retrieve records from

A. Defining values for testing the Aggregate's output records.

C. Defining conditions to get specific subsets of records

D. Defining the order of the Aggregate's output records.

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 Sorting in Aggregates, which of the following options is correct?

C. It is mandatory to set the direction for all sorting criteria (ascending or descending).

A. Aggregates only support one sorting criterion.

B. If more than one sorting criterion is defined, all of them must have the same direction (ascending or descending).

D. It is only possible to set multiple sorting criteria if duplicate records exist in the entity.

In an Aggregate, the purpose of the Test Values section is...

A. To define values for testing the preview of the Aggregate's output.

B. To set the conditions to get specific records, not all the records.

C. To define the order of its output records.

D. To define the Entities we want to get records from.

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. By default, Screen Aggregates run automatically. Screen Aggregates can only fetch data from the database.

How is the data fetched by an Aggregate bound to a Table or a List widget?

A. By setting the Source property of the widget to the output of the Aggregate.

B. The binding is done automatically since the Aggregate is in the scope of the Screen.

C. By adding an Expression inside the widget that refers to an attribute of the data fetched by the Aggregate.

D. By creating a Screen Action that programmatically assigns the widget to the data fetched by the Aggregate.

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.

Regarding data relationships, which of the following options is correct?

A. An Entity must have an identifier to allow relationships.

B. A reference attribute needs to be mandatory.

C. An Entity can only have one reference attribute.

D. The Entity identifier must be an integer.

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

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. Add a new reference attribute of type Entity B Identifier to Entity A.

D. Add a new Entity C, with the identifier attribute being a composition of types Entity A Identifier and Entity B Identifier.

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 steps is necessary to create a many-to-many relationship between Entity A and Entity B?

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

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

B. Add a new reference attribute of type Entity B Identifier to Entity A

D. Add a new reference attribute of type Entity B Identifier to Entity A and a new reference attribute of type Entity A Identifier to Entity B.

Regarding Indexes, which of the following options is correct?

C. Unique indexes help prevent data duplication.

A. Custom indexes cannot be added to an Entity.

B. Indexes speed up data retrieval without any kind of impact.

D. Indexes over referenced attributes cannot be deleted.

Which of the following behaviors does not apply to Forms?

A Form has a Source property that will hold the values submitted by the user.

A Form groups input widgets and allows displaying and editing data.

Besides input widgets, a Form can hold other widgets such as Links and Buttons

Considering Inputs and Labels, which of the following options is correct?

D. Labels associated with mandatory fields will display a visual cue on the Screen.

A. Every input must have a Label associated with.

B. An input widget can only be used for the Text data type.

C. To access the value submitted in an Input widget, we can simply use InputName.Value.

What is the Screen behavior when a widget is not valid (Valid property set to False)?

D. Displays the regular widget, applies a specific styling (e.g. red border), and displays the validation error message.

A. The Screen displays the widget greyed out, and displays the validation error message on the input.

B. The widget does not appear on the Screen and the validation message appears in its place.

C. Displays the regular widget and displays the validation error message when we hover the mouse.

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

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

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

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

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

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

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

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

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

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?

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

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

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

Reactive Dev

Authored by helius fortuna

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Professional Development

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164 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements about Entities is false?

A. Entities have attributes.

B. Entities do not require an identifier.

C. Entities are only stored in memory.

D. Entities can be created, updated, and deleted.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a Development Environment?

A. Service Studio

B. Integration Studio

C. Service Center

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One of the following Tools allows you to manage the application's lifecycle across an infrastructure. Which one?

A. Service Center

B. LifeTime

C. Service Studio

D. Integration Studio

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

A. True

B. False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which Service Studio layer can Screens and Blocks be found?

A. Processes

B. Interface

C. Logic

D. Data

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which Service Studio layer can Entities be found?

A. Processes

B. Interface

C. Logic

D. Data

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Regarding Reactive Web Apps in OutSystems, which of the following options is false?

A. Reactive Web app is a cross-device app.

B. Data requests are executed synchronously.

C. The code generated by OutSystems results in a single-page application.

D. A developer builds the Reactive Web App in Service Studio.

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