Answer to Question #278732 in Web Development for Tom Boyle

Question

19. Which of the following layers of an Enterprise Application could be said to be responsible for dealing with the users?

a. Presentation Tier

b. All of these answers

c. Business Tier

d. Data Tier

e. None of these answers.

20. Which of the following statements about Java EE Annotations is false?

a. They allow application settings to be visible in the source of the component they affect

b. They remove the need for marker interfaces in at least some cases

c. None of these answers.

d. They replace descriptors for most purposes.

21. Which of the following layers of an Enterprise Application could be said to be responsible for preserving the persistent objects of the application domain?

a. All of these answers

b. View Tier

c. Presentation Tier

d. None of these answers.

e. Controller Tier

Answer 1

19.

The presentation tier is the user interface and communication layer of the application, where the end user interacts with the application. Its main purpose is to display information to and collect information from the user.

Answer: a. Presentation Tier

20.

Answer: c. None of these answers.

21.

Answer: e. Controller Tier