EN-Quiz 2 : Becoming a Reactive Web Developer

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

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

• A. 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.

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

• 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.

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

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

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.

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

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

• B. It contains a set of Records.

• C. It has two Entity Actions.

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

Which of the following options is false?

• A. Input Parameters allow passing data between Screens when navigating between them.

• B. Local Variables from a Screen may be directly accessed from another Screen.

• C. Local Variables allow temporarily storing relevant information inside a Screen.

• D. When the value of a Local Variable changes the user interface reacts immediately.

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

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

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

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

• D. Multiple widgets may be added inside each branch.

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

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

• B. Every branch that evaluates to True is executed.

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

• D. The Otherwise branch must exist.

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

• 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).

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

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

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.