MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Software Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_ARE_THE_DRAWBACK_FOR_MEDIATOR_PATTERN??$ |
| A. | It may also increase collaborator cohesion |
| B. | Forcing collaborator interaction through the mediator may compromise performance |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» C. All of the mentioned | |
| 2. |
Which_of_the_following_is_consequence_of_mediator_class?$ |
| A. | They makes a sub-system easier for clients to use |
| B. | Lowers the coupling between the client and the sub-system |
| C. | Increase re-usability by adapting a sub-system’s interface to client needs |
| D. | It encapsulates an interaction, making the interaction easier to change |
| Answer» E. | |
| 3. |
The Mediator pattern has which of the following advantages? |
| A. | It decouples collaborators, making them more changeable and reusable |
| B. | It centralizes control of an interaction in the mediator class, making it easier to change, thus increasing modifiability |
| C. | It simplifies the collaborators, making them easier to understand, and hence to change |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
Which of the following does not follow the sequence of the mediator pattern? |
| A. | As in any broker pattern, the Mediator receives a request for service at last |
| B. | It then controls an interaction with the collaborating colleagues to supply the service |
| C. | If one collaborator needs help from another, it notifies the Mediator object, which obtains the needed service from another collaborator |
| D. | None of the mentioned |
| Answer» B. It then controls an interaction with the collaborating colleagues to supply the service | |
| 5. |
Which of the following is a type of broker pattern? |
| A. | Mediator |
| B. | Facade |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Which of the following is for Facade Pattern? |
| A. | Interaction is begun by one of the collaborators or a client object outside the collaboration |
| B. | The object directs the collaboration, with all communication going between it and the colleagues in the interaction |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» E. | |
| 7. |
Which of the pattern all the classes coupling is reduced? |
| A. | Iterator |
| B. | Facade |
| C. | Mediator |
| D. | Proxy |
| Answer» D. Proxy | |
| 8. |
Which of the following i correct? |
| A. | The Mediator pattern provides a means of increasing coupling |
| B. | In the Mediator pattern, interacts with one another, collaborating objects and with a special mediator class |
| C. | The objects are coupled only to the mediator, which contains all the code for coordinating the collaboration |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 9. |
Which of the following belongs to iterator pattern? |
| A. | They delegate activities to other portions of the sub-system to which they provide an interface |
| B. | The details of such delegations depend on the sub-system in question |
| C. | The behavior follows the general outline of a broker pattern interaction |
| D. | None of the mentioned |
| Answer» E. | |