OUTSYSTEMS ASSOCIATE REACTIVE
DEVELOPER SAMPLE EXAM
QUESTIONS AND ANSWERS
What is required to create a many-to-many (N-N) relationship between
the Entities in the picture?
A. Create a third Entity that contains two attributes of types Order Identifier and Product
Identifier.
B. Create a third Entity with a primary key of type Order Identifier and an attribute of
type Product Identifier.
C. Create an attribute of type Order Identifier in the Product Entity and an attribute of
type Product Identifier in the Order Entity.
D. Create an attribute of type Product Identifier in the Order Entity. - Correct Answers -A
Which of the following statements is true?
A. An Entity Identifier must have its Data Type set to Long Integer.
B. An Entity Identifier must be set to Auto Number.
C. An Entity Identifier can only be a single attribute.
D. An Entity Identifier is created automatically and cannot be modified. - Correct
Answers -C
The image below shows an Aggregate. What will the attributes of the
GetOrdersShippingState.List.Current record be?
A. The two aggregation attributes: ShippingState and Count.
,B. The two aggregation attributes (ShippingState and Count) plus all the attributes of
the Source Entities.
C. Six attributes corresponding to the six visible columns in the Aggregate:
ShippingState, Count, Description, CreatedOn, ShippedOn and Priority.
D. The two aggregation attributes (ShippingState and Count) plus the columns used to
calculate these aggregations. - Correct Answers -A
In the Aggregate below the Orders are fetched with their reviewers
(Employees). Which of the following options is correct?
A. The Aggregate only returns Orders with Priority, Status and Employee.
B. The Aggregate returns Orders without Employee and without Status.
C. The Aggregate returns Orders with Status and at least one Employee.
D. The Aggregate returns Orders with Priority and with zero or more Employees. -
Correct Answers -D
How would you change the following Aggregate to return the number of
orders per priority?
A. Change the Join between the Order and the Priority to Only With and create a Count
over the Priority.Id attribute.
B. Create a Group By over the Priority.Id attribute and a Count over the Order.Id
attribute.
C. Create a Group By over the Order.Id attribute and a Count over the Priority.Id
attribute.
D. Remove the Join between the Order and the OrderStatus and create a Count over
the Priority.Id attribute. - Correct Answers -B
Which of the following sentences about the On Initialize lifecycle event is true?
A. The On Initialize event is triggered before the Screen or Block is rendered
and before fetching any data.
B. The On Initialize event is triggered after the Screen or Block has been rendered, so
you can use it to manipulate its structure.
C. The On Initialize event is triggered after an Aggregate finishes fetching data and can
be used to act upon the retrieved data before it's used in the Screen.
D. The On Initialize event is triggered after the input parameter of a Block changes. -
Correct Answers -A
, The Screen below has two Dropdowns: one to select a Country and the other
to select a City. The GetCountries and GetCities Aggregates fetch the data displayed in
the dropdowns and both have the Fetch property set to At Start. Which of the following
options is not a valid step to only fetch the cities of the country selected in the
dropdown?
A. Set the Fetch property of the GetCities Aggregate to Only On Demand.
B. Refresh the GetCities Aggregate in the OnChange Action of the Country Dropdown.
C. Filter the GetCities Aggregate by the selected country.
D. Call the GetCities Aggregate in the GetCountries' On After Fetch Event handler. -
Correct Answers -D
Regarding Blocks in OutSystems reactive apps, which of the following options is
Correct?
A. Blocks can only be instantiated on Screens.
B. Blocks can be instantiated on Screens and other Blocks.
C. Blocks can be instantiated on Client Actions on the Screen.
D. Blocks can be instantiated on Screens and external HTML pages, using a special
HTML tag. - Correct Answers -B
Which of the following options is a valid usage of the Trigger Event node? A.The Trigger
Event allows a Block to notify its parent (Screen or Block)
that something relevant occurred in the scope of the Block.
B. The Trigger Event allows a Screen to notify its children (Blocks) that
something relevant occurred in the scope of the Screen.
C. The Trigger Event allows a Block to notify its children (other Blocks)
that something relevant occurred in the scope of the Block.
D. The Trigger Event allows a Screen to notify its parent (Screen or Block) that
something relevant occurred in the scope of the Screen. - Correct Answers -A
A Form has a Save button with the Built-in Validations property set to Yes. Which
validations are automatically performed when a user clicks the button?
A. Check if the mandatory fields are filled in.
B. Check if the mandatory fields are filled in and if the non-mandatory fields
that are later used in the logic, are also filled in.
C. Check if the mandatory fields are filled in and if the data submitted by the user
matches the data type expected in the input fields.
D. Check if the mandatory fields are filled in and if the data submitted by the user
matches the data type of the Form's data source. - Correct Answers -C
The CountriesDropdown will allow users to select a country. What should be set in the
Options Text property to make sure that the names of the countries appear in the
dropdown?
A. Country.Id
B. GetCountries.Country.Label
C. Country
D. Country.Label - Correct Answers –D
DEVELOPER SAMPLE EXAM
QUESTIONS AND ANSWERS
What is required to create a many-to-many (N-N) relationship between
the Entities in the picture?
A. Create a third Entity that contains two attributes of types Order Identifier and Product
Identifier.
B. Create a third Entity with a primary key of type Order Identifier and an attribute of
type Product Identifier.
C. Create an attribute of type Order Identifier in the Product Entity and an attribute of
type Product Identifier in the Order Entity.
D. Create an attribute of type Product Identifier in the Order Entity. - Correct Answers -A
Which of the following statements is true?
A. An Entity Identifier must have its Data Type set to Long Integer.
B. An Entity Identifier must be set to Auto Number.
C. An Entity Identifier can only be a single attribute.
D. An Entity Identifier is created automatically and cannot be modified. - Correct
Answers -C
The image below shows an Aggregate. What will the attributes of the
GetOrdersShippingState.List.Current record be?
A. The two aggregation attributes: ShippingState and Count.
,B. The two aggregation attributes (ShippingState and Count) plus all the attributes of
the Source Entities.
C. Six attributes corresponding to the six visible columns in the Aggregate:
ShippingState, Count, Description, CreatedOn, ShippedOn and Priority.
D. The two aggregation attributes (ShippingState and Count) plus the columns used to
calculate these aggregations. - Correct Answers -A
In the Aggregate below the Orders are fetched with their reviewers
(Employees). Which of the following options is correct?
A. The Aggregate only returns Orders with Priority, Status and Employee.
B. The Aggregate returns Orders without Employee and without Status.
C. The Aggregate returns Orders with Status and at least one Employee.
D. The Aggregate returns Orders with Priority and with zero or more Employees. -
Correct Answers -D
How would you change the following Aggregate to return the number of
orders per priority?
A. Change the Join between the Order and the Priority to Only With and create a Count
over the Priority.Id attribute.
B. Create a Group By over the Priority.Id attribute and a Count over the Order.Id
attribute.
C. Create a Group By over the Order.Id attribute and a Count over the Priority.Id
attribute.
D. Remove the Join between the Order and the OrderStatus and create a Count over
the Priority.Id attribute. - Correct Answers -B
Which of the following sentences about the On Initialize lifecycle event is true?
A. The On Initialize event is triggered before the Screen or Block is rendered
and before fetching any data.
B. The On Initialize event is triggered after the Screen or Block has been rendered, so
you can use it to manipulate its structure.
C. The On Initialize event is triggered after an Aggregate finishes fetching data and can
be used to act upon the retrieved data before it's used in the Screen.
D. The On Initialize event is triggered after the input parameter of a Block changes. -
Correct Answers -A
, The Screen below has two Dropdowns: one to select a Country and the other
to select a City. The GetCountries and GetCities Aggregates fetch the data displayed in
the dropdowns and both have the Fetch property set to At Start. Which of the following
options is not a valid step to only fetch the cities of the country selected in the
dropdown?
A. Set the Fetch property of the GetCities Aggregate to Only On Demand.
B. Refresh the GetCities Aggregate in the OnChange Action of the Country Dropdown.
C. Filter the GetCities Aggregate by the selected country.
D. Call the GetCities Aggregate in the GetCountries' On After Fetch Event handler. -
Correct Answers -D
Regarding Blocks in OutSystems reactive apps, which of the following options is
Correct?
A. Blocks can only be instantiated on Screens.
B. Blocks can be instantiated on Screens and other Blocks.
C. Blocks can be instantiated on Client Actions on the Screen.
D. Blocks can be instantiated on Screens and external HTML pages, using a special
HTML tag. - Correct Answers -B
Which of the following options is a valid usage of the Trigger Event node? A.The Trigger
Event allows a Block to notify its parent (Screen or Block)
that something relevant occurred in the scope of the Block.
B. The Trigger Event allows a Screen to notify its children (Blocks) that
something relevant occurred in the scope of the Screen.
C. The Trigger Event allows a Block to notify its children (other Blocks)
that something relevant occurred in the scope of the Block.
D. The Trigger Event allows a Screen to notify its parent (Screen or Block) that
something relevant occurred in the scope of the Screen. - Correct Answers -A
A Form has a Save button with the Built-in Validations property set to Yes. Which
validations are automatically performed when a user clicks the button?
A. Check if the mandatory fields are filled in.
B. Check if the mandatory fields are filled in and if the non-mandatory fields
that are later used in the logic, are also filled in.
C. Check if the mandatory fields are filled in and if the data submitted by the user
matches the data type expected in the input fields.
D. Check if the mandatory fields are filled in and if the data submitted by the user
matches the data type of the Form's data source. - Correct Answers -C
The CountriesDropdown will allow users to select a country. What should be set in the
Options Text property to make sure that the names of the countries appear in the
dropdown?
A. Country.Id
B. GetCountries.Country.Label
C. Country
D. Country.Label - Correct Answers –D
