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SWD392 - PT2 Exam/30 Questions and answers
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SWD392 - PT2 Exam/30 Questionsand answers
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 - -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 - -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. - -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. - -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 - -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 - -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 - -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 - -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 - -A
-Which of the following objects are NOT likely to be in the same subsystem?
(a) User interface object and entity object
(b) State-dependent control object and coordinator object
(c) Business logic object and entity object
(d) I/O object and state-dependent control object - -B OR C
-What happens in a Call/Return pattern?
(a) A calling operation in the calling object sends a message to an operation
(a.k.a. method) in the called object.
(b) A calling operation in the calling object invokes an operation (a.k.a.
method) in the called object.
(c) The calling object waits for a response from the called object.
(d) The calling object does not wait for a response from the called object. - -
B
-What does the software architecture describe?
(a) The software inside a building
(b) The structure of a client/server system
(c) The overall structure of a software system
(d) The software classes and their relationships - -C
-What is an entry action in a state machine?
(a) An action that is performed when the state is entered
(b) An action that is performed when the state is left
(c) An action that starts executing when the state is entered and completes
executing when the state is left
(d) An action that executes as a result of a state transition - -A
-What does a state-dependent interaction involve?
(a) A control object
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