What happens in a Layers of Abstraction pattern?
A. Each layer uses services in the layer immediately below it.
B. Each layer uses services in the layer immediately above it.
C. Each layer uses services in the layers immediately above it and below it.
D. Each layer is independent of the other l...
SWD392 - PT2(ANSWERED)
What happens in a Layers of Abstraction pattern?
A. Each layer uses services in the layer immediately below it.
B. Each layer uses services in the layer immediately above it.
C. Each layer uses services in the layers immediately above it and below it.
D. Each layer is independent of the other layers - Correct Answer A
What is an event in a state machine?
A. A discrete signal that causes a change of state
B. An input from the external environment
C. An input that is True or False
D. The result of a state transition - Correct Answer A
Which of the following interactions could happen on an interaction diagram?
(a) An external user sends a message to a user interaction object.
(b) An external user sends a message to an entity object.
(c) An external user sends a message to an I/O object.
(d) An external user sends a message to a printer object. - Correct Answer A
A producer sends a message to a consumer. Which one of the following is synchronous message
communication with reply?
(a) The producer waits for a response from the consumer.
(b) The producer does not wait for a response from the consumer.
(c) The producer goes to sleep.
(d) The producer waits for a timeout. - Correct Answer A
, What does a sequence diagram depict?
(a) The sequence of external objects communicating with each other
(b) Classes and their relationships
(c) Software objects and the sequence of their interactions
(d) The external objects communicating with the system - Correct Answer C
Which of the following statements is NOT true for a component?
(a) A composite object composed of other objects
(b) An operation
(c) A simple object
(d) Provides an interface - Correct Answer B
What does a communication diagram depict?
(a) The sequence of external objects communicating with each other
(b) Classes and their relationships
(c) Software objects and the sequence of their interactions
(d) The external objects communicating with the system - Correct Answer C
When is a control subsystem required?
(a) If the subsystem needs to control several internal objects
(b) If the subsystem needs to control multiple I/O devices
(c) If the subsystem needs to control multiple client subsystems
(d) If the subsystem needs to control the execution of other subsystems - Correct Answer A
What is a state in a state machine?
(a) A recognizable situation that exists over an interval of time
(b) A condition that is True or False
(c) An input from the external environment
(d) An output from the system - Correct Answer A
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