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Associate-Reactive-Developer練習テスト2023年最新ので更新されました
質問 # 27
The flow of an action can have...
- A. ... multiple Start and End nodes.
- B. *** only one Start node and one End node.
- C. *** one or more Start nodes but only one End node.
- D. *** only one Start node but multiple End nodes.
正解：D
質問 # 28
Is it possible to Expose a REST API in OutSystems?
- A. Yes
- B. No
正解：A
質問 # 29
Style load order
- A. Screen & Email -> Web block -> theme
- B. theme -> Web block -> Screen & Email
- C. Web block -> theme -> Screen & Email
正解：C
質問 # 30
Regarding Screen lifecycle, which of the following options is true?
- A. Ajax submit, the preparation action will not be reloaded
- B. Ajax submit, the preparation action will be reloaded
- C. IsLoadingScreen () will return false during the preparation step without starting to build screen html
- D. IsLoadingScreen () will return true when using ajax reload to reload a portion of the screen's html
正解：A
質問 # 31
In OutSystems, where can we place breakpoints?
- A. Client-side logic only
- B. Server-side logic only
- C. In Actions and Variables
- D. In Actions only (Client-side and Server-Side)
正解：D
質問 # 32
Regarding REST API in Outsystems, select to statement that is true.
- A. A REST API Method can both have an OnBeforeRequest action and an OnAfterResponse action
- B. The output of a method must have a text type
- C. A REST API can both have OnBeforeRequest and can have OnAfterResponse
- D. A REST API can have OnBeforeRequest, but OnAfterResponse is a call back action for the method
正解：C
質問 # 33
Regarding Session Variable, which of the following options is true?
- A. Session variables can only use basic data types (Integer, Text, Boolean, ...)
- B. Set Cache property to store session value after user log out
- C. Set persistent property to true, the session can be shared for the entire system to use
- D. The session variable will expire when the session times out
正解：D
質問 # 34
Regarding the If Widget, which of the following options is false?
- A. More branches may be added to an If Widget.
- B. Multiple widgets may be added inside each branch.
- C. Only one of the branches is shown at runtime.
- D. Functions can be used inside the Condition of an If.
正解：A
質問 # 35
Which event is useful when aggregates depend on each other?
- A. After Fetch
- B. Render
- C. Ready
- D. Destroy
正解：A
質問 # 36
Different Exceptions are handled by different specific Handlers.
- A. False
- B. True
- C. Neither
- D. Either
正解：B
質問 # 37
Which of the following options is false regarding Screen Aggregates?
- A. The On After Fetch Event is triggered for every Aggregate, regardless of its Fetch property.
- B. The Render Event on the Screen is triggered when an Aggregate with the Fetch property set to "only on demand" finishes its execution.
- C. All Aggregates, by default, have the Fetch property set to On Demand.
- D. A Screen Aggregate can be triggered when a screen is initializing or only On Demand.
正解：C
質問 # 38
Which event is needed if we do some logic over the result such as checking if it is empty?
- A. After Fetch
- B. Render
- C. Ready
- D. Destroy
正解：A
質問 # 39
If an Entity Attribute named HouseNumber is created, what needs to be done about its Data Type?
- A. Nothing, it will automatically be set to Identifier.
- B. It should be set to Integer.
- C. It should be set to Decimal.
- D. Nothing, it will automatically be set to Integer.
正解：A
質問 # 40
When doing a "With or Without" join between tow entities , it returns ..
- A. Only records where there is match between the tow entities(INNER JOIN)
- B. All records from the left entity even if there is no match in the right entity(LEFT JOIN)
- C. All records from the right entity even if there is no match in the left entity(RIGHT JOIN)
- D. All records from both entities(FULL OUTER JOIN)
正解：B
質問 # 41
A Structure can have attributes of the following data types:
- A. Basic, String, and Object
- B. Basic and List only
- C. Basic, Structure, Entity, and List
- D. Basic, Complex, and Record
正解：C
質問 # 42
It is possible to see the SQL generated by an Aggregate?
- A. TRUE
- B. FALSE
正解：A
質問 # 43
Regarding Web Blocks in Outsystems, select to statement that is true.
- A. When the web block is in one screen, the parent screen is required to have a screen action to handle the event of the child web block, but the case is in another web block.
- B. When the web block is in one screen or another web block, the parent screen or web block is not required to take action to handle the event of the child web block.
- C. When the web block is in a web block, the parent web block is required to have a screen action to handle the event of the child web block, but the case is in another screen.
- D. When the web block is in one screen or another web block, the parent screen or web block is required to have a screen action to handle the event of the child web block.
正解：D
質問 # 44
Regarding Screen Aggregates, which of the following options is false?
- A. Screen Aggregates run asynchronously and in parallel.
- B. Screen Aggregates only exist within the scope of the Screen where they were defined.
- C. Screen Aggregates can only fetch data from the database.
- D. Screen Aggregates can only be executed when explicitly called.
正解：D
質問 # 45
Considering the Initialize event of a Screen, which of the following would be the best use case for that event?
- A. Act on data returned by a Data Action.
- B. Manipulate the DOM.
- C. Retrieve data from the server database.
- D. Set the default value of a Local Variable.
正解：D
質問 # 46
In which Service Studio layer can Entities be found?
- A. Interface
- B. Data
- C. Processes
- D. Logic
正解：A
質問 # 47
Mobile Apps have access to local storage and can be developed to work offline, online, or in both scenarios.
- A. False
- B. True
- C. Neither
- D. Either
正解：B
質問 # 48
In any case, should use Site property
- A. Search field value
- B. Minimum password length
- C. Number of logged user
正解：B
質問 # 49
For Aggregate as shown below, Ask filter to find the person whose name contains the string "John"
- A. Person.Name like 'John'
- B. Person.Name like "John"
- C. Person.Name like "%John%"
- D. Person.Name = "John"
正解：C
質問 # 50
What is the Screen behavior when a widget is not valid (Valid property set to False)?
- A. Displays the regular widget, applies a specific styling (e.g. red border), and displays the ^ validation error message.
- B. The Screen displays the widget greyed out, and displays the validation error message on the U input.
- C. The widget does not appear on the Screen and the validation message appears in its place.
- D. Displays the regular widget and displays the validation error message when we hover the mouse.
正解：A
質問 # 51
Regarding List_SortColumn, which of the following options is true?
- A. Set the Column to "{EntityName}.{AttributeName}" & define a dynamic sort
- B. Set the Column to "{EntityName}.[AttributeName]" & define a dynamic sort
- C. Set the Column to "{EntityName}.[AttributeName]" & Automatic add a dynamic sort
- D. Set the Column to "{EntityName}.{AttributeName}" & Automatic add a dynamic sort
正解：B
質問 # 52
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