A developer has created a three-tier web application for network device control and management. The application consists of multiple objects assigned for different functionalities. The architecture of the application is based on the Observer pattern. Which advantage does this pattern provide for the application design and architecture?

Questions › Category: 200-901 › A developer has created a three-tier web application for network device control and management. The application consists of multiple objects assigned for different functionalities. The architecture of the application is based on the Observer pattern. Which advantage does this pattern provide for the application design and architecture?

0 Vote Up Vote Down

Admin Staff asked 1 year ago

A developer has created a three-tier web application for network device control and management. The application consists of multiple objects assigned for different functionalities. The architecture of the application is based on the Observer pattern. Which advantage does this pattern provide for the application design and architecture?

A. Independent observers are updated automatically.

B. It updates the state of dependent subjects directly.

C. One observer can query the state of other subjects

D. It decouples the subjects from the observers.










Correct Answer: C

This question is in 200-901 exam
For getting Cisco Certified DevNet Associate Certificate