OMG UM0-401 問題集

質問 1：
Which statement describes role of QoS in modeling the requirements of a component?
A. QoS is used to model the non-quantifiable requirements of the component behavior.
B. QoS is used to model the functional requirements offered by the component.
C. QoS is used to model the functional requirements required by the context in which a component will execute.
D. QoS is used to model the non-functional requirements on the behavior or use of a component.
正解：D

質問 2：
When using a thread pool with lanes, and borrowing has been allowed, a lane which exhausts its maximum number of threads can borrow what? (Choose TWO)
A. It can borrow a static thread of a lower priority lane
B. It can borrow a dynamic thread of an upper priority lane
C. It can borrow a dynamic thread of a lower priority lane
D. It can borrow a static thread of an upper priority lane
正解：A,C

質問 3：
In the Dynamic Usage Model, the usage of resources is represented by a scenario instance. What is an ordered series of steps called?
A. Action Execution
B. Action Item
C. Action
D. Action Instance
正解：A

質問 4：
A representative benchmark differs from a synthetic benchmark in that a-------------
A. representative benchmark models a real application's execution characteristics
B. synthetic benchmark must be developed by the same team that will build the application
C. representative benchmark models a representative ideal application
D. synthetic benchmark precisely predicts specific application performance
正解：A

質問 5：
The basic time model consists of six (6) entities. Five of the six are Physical Time, Clock, PhysicalInstant, TimeValue, Duration. What is the sixth one?
A. Time Instance
B. Time Interval
C. Deadline
D. Timer
正解：B

質問 6：
Performance, Dependability, Latency, Reliability, Security are all examples of _____.
A. QoS Constraints
B. QoS Values
C. QoS Categories
D. QoS Characteristics
正解：C

質問 7：
In the MDA Foundation Model, a Transformation Record------------
A. is one entry in a Transformation Specification
B. is the aggregation of all Transformation Specification Elements
C. provides a record of the inverse mapping transformation used to recover a model
D. traces groups of input model items to the groups of model items into which they are transformed
正解：D

質問 8：
Which statement describes the concept that MDA calls a "platform"?
A. A platform is a thin interface layer between an application and a system's underlying hardware.
B. A platform is the application's execution environment that is comprised on the hardware devices and the operating system software.
C. A platform is that part of the system that is not the application, and is comprised of hardware devices and software execution environments that support the execution of the application.
D. A platform is the set of hardware that where the application executes.
正解：C