Question 1

When using Ajax to submit a form, and we’re not navigating away from the current web screen, what considerations must a developer have?

Options :

A : Be sure to refresh the form fields whether validation fails or is successful.

B : The developer does not need to have any considerations.

C : You cannot use Ajax to submit a form.

D : We only need to refresh the form fields when the validation fails.

Answer: D

Question 2

Given the system’s User entity and a photo entity, as depicted in the screenshot, what is the best way to model that some users may have set their profile photo?

Options :

A : Change the Photo Entity’s Id attribute to be of type user Identifier

B : Add to the User Entity a PhotoId attribute, of type photo identifier

C : Add to the photo entity a UserId attribute, of type user Identifier

D : Create a profile entity with attributes photoId and User Id, of types photo identifier and user identifier respectively

Answer: A

Question 3

Which of the following statements about web blocks is not true?

Options :

A : Web Blocks encapsulate UI and allow their reuse in different screens.

B : Web Blocks inherits the styles of the parent element in which it is placed on.

C : Web Blocks can be used to allow developers to work on the same web screen without conflicts.

D : Web Blocks is the mechanism used to implement UI recursion.

Answer: D

Question 4

Consider the two entities Desk and Room below, that represent desks and rooms in a school. If you wanted to model that there are Desks placed inside a certain Room, what would be the best solution?

Options :

A : Create a new entity RoomDesks, with two attributes DesksId and RoomId, respectively of type Desk Identifier and Room Identifier

B : Add a new attribute RoomId, of type Room Identifier, to Desk

C : Add a new attribute DeskId, of type Desk Identifier, to Room.

D : Add a new attribute DeskIds, of type List of Desk Identifier, to Room.

Answer: B

Question 5

A Web block can have...

Options :

A : … only screen actions, as any initialization it requires is done on its parent web screen’s preparation

B : … a preparation and screen actions, like a web screen

C : A single button to submit its inputs

D : … a preparation but no screen actions, as its buttons and links are bound to its parent web screen’s actions.

Answer: C

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