Logic & Exception

Question 1

Which tool can be used to set the value of existing variables in a logic flow?

Answer 1

Assign node

Question 2

What executes on the device, rather than the server?

Answer 2

Screen and Client Actions

Question 3

Which action type can be used throughout the module and is not bound to a single screen?

Answer 3

Client Action

Question 4

What does it mean when a Client or Server Action is set as a function?

Answer 4

It can only be used inside expressions and has one output parameter

Question 5

Can a Screen Action from one screen call a Screen Action from another screen?

Answer 5

No

Question 6

What happens when a Client Action is set as a function?

Answer 6

It cannot call Server Actions

Question 7

What happens when a Client Action is set as a function?

Answer 7

It can only call other client actions

Question 8

What is required to call a Server Action from within a Screen Action or Client Action?

Answer 8

A network connection

Question 9

A network connection

Answer 9

More branches may be added if needed.

Question 10

Where do Client Actions execute?

Answer 10

On the browser or device

Question 11

What can Screen Actions have that Client Actions and Server Actions may also have?

Answer 11

Output parameters

Question 12

When are exceptions raised automatically by the platform?

Answer 12

When a runtime failure like a database constraint violation occurs

Question 13

What is the role of an exception handler flow?

Answer 13

To handle the exception and continue execution

Question 14

What happens if there is no matching exception handler flow in the action flow where the exception is raised?

Answer 14

The execution moves to an outer context

Question 15

What is the purpose of a Global Exception Handler?

Answer 15

To handle all exceptions in the most outer context

Question 16

Where is the default Global Exception Handler defined?

Answer 16

Inside the Common UI Flow

Question 17

What type of exceptions can an Action have multiple handler flows for

Answer 17

Database, security, communication, and custom user exceptions

Question 18

What does it mean for an exception to “bubble-up”?

Answer 18

The exception moves to an outer context until a matching handler is found

Question 19

What is an example of an automatically raised exception by the platform?

Answer 19

Database constraint violation

Question 20

What type of exceptions can be handled by a Security Exception handler flow?

Answer 20

Invalid login

Question 21

What happens if no exception handler is found in an action flow and the Global Exception Handler is not defined?

Answer 21

The program terminates with an error

Question 22

Inside an Action flow…

Answer 22

… the Exception Handler flow can’t intersect other flows.

Question 23

What is the key difference between Client Actions and Screen Actions?

Answer 23

Client Actions are reusable across the module, while Screen Actions are bound to a specific screen

Question 24

What happens at the start node of an action flow?

Answer 24

Execution of the action begins

Question 25

Which of the following actions requires a network connection to execute?

Answer 25

Server Action

Question 26

Which type of action allows you to define input and output parameters?

Answer 26

Client and Server Actions

Question 27

Which of the following is NOT true about Client Actions?

Answer 27

a) They can be reused throughout the module
b) They can only be called from within the same screen
c) They execute on the client side
d) They can be set as a function
–> B