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質問 1：
A scheduler runs tasks to completion instead of pre-empting tasks by time slicing or according to priority.
What two actions will occur? (Choose two.)
A. Share the processor time fairly among ready tasks
B. Honor the commitment made to complete the task once it has begun executing
C. Maximize the number of completed tasks per unit of time
D. Minimize the task scheduling and context switching overheads
正解：B,D
質問 2：
How are exceptions managed in Real-time CORBA?
A. managed using specific RTCORBA Exceptions
B. managed entirely using CORBA Standard System Exceptions
C. managed using CORBA Standard System Exceptions with minor codes specialized for Real-time
CORBA
D. not specified
正解：C
質問 3：
Which two statements about static memory allocation are true? (Choose two.)
A. Memory fragmentation does not occur.
B. Memory allocation units are always the same fixed size.
C. Garbage collection is not required.
D. Tasks must inform the run-time (e.g., operating system) the total amount of memory they will need
before they begin requesting memory.
正解：A,C
質問 4：
In MDA practice, transformations from PIM to PSM-------------------- (Choose TWO.)
A. are required for all systems
B. always produce executable code
C. may be automated
D. may be hand generated
E. are always implemented in the QVT action language
正解：C,D
質問 5：
Which two statements are true of a monitor for synchronization? (Choose two.)
A. If two tasks are waiting in a monitor's queues for separate resources, when the task that has been
accessing a resource finishes doing so, all the queues with waiting tasks are served round-robin.
B. One monitor may encapsulate any number of resources and their synchronization functions.
C. No concurrent access by tasks is allowed to any resource(s) within a monitor.
D. If a requesting task enters a monitor but finds the resource isn'tavailable, the task exits the monitor and
is placed at the end of the monitor's external queue.
正解：B,C
質問 6：
Which statement is true about an object's interface?
A. The principal interface is the least-specific interface the object supports.
B. It can support inheritance.
C. It provides a semantic description of the services.
D. The principal interface consists of all operations in the associative closure of its inheritance graph.
正解：B
質問 7：
An example of a module exhibiting temporal cohesion is a combination of_______.
A. the control and management of two onboard hardware clocks
B. a 40 millisecond periodic navigation function and a 40 millisecond periodic display update function
C. the vehicle speed and acceleration management functions
D. several mathematical functions such as the sine, cosine, and arctangent functions
正解：B
質問 8：
What is the range of RT CORBA priorities?
A. 0 to 65535
B. 0 to 32767
C. 0 to 127
D. 0 to 255
正解：B
質問 9：
A general purpose RTOS
A. supports networked real-time applications
B. has a simple organization
C. optimizes system service request speed
D. minimizes memory utilization
正解：A
A scheduler runs tasks to completion instead of pre-empting tasks by time slicing or according to priority.
What two actions will occur? (Choose two.)
A. Share the processor time fairly among ready tasks
B. Honor the commitment made to complete the task once it has begun executing
C. Maximize the number of completed tasks per unit of time
D. Minimize the task scheduling and context switching overheads
正解：B,D
質問 2：
How are exceptions managed in Real-time CORBA?
A. managed using specific RTCORBA Exceptions
B. managed entirely using CORBA Standard System Exceptions
C. managed using CORBA Standard System Exceptions with minor codes specialized for Real-time
CORBA
D. not specified
正解：C
質問 3：
Which two statements about static memory allocation are true? (Choose two.)
A. Memory fragmentation does not occur.
B. Memory allocation units are always the same fixed size.
C. Garbage collection is not required.
D. Tasks must inform the run-time (e.g., operating system) the total amount of memory they will need
before they begin requesting memory.
正解：A,C
質問 4：
In MDA practice, transformations from PIM to PSM-------------------- (Choose TWO.)
A. are required for all systems
B. always produce executable code
C. may be automated
D. may be hand generated
E. are always implemented in the QVT action language
正解：C,D
質問 5：
Which two statements are true of a monitor for synchronization? (Choose two.)
A. If two tasks are waiting in a monitor's queues for separate resources, when the task that has been
accessing a resource finishes doing so, all the queues with waiting tasks are served round-robin.
B. One monitor may encapsulate any number of resources and their synchronization functions.
C. No concurrent access by tasks is allowed to any resource(s) within a monitor.
D. If a requesting task enters a monitor but finds the resource isn'tavailable, the task exits the monitor and
is placed at the end of the monitor's external queue.
正解：B,C
質問 6：
Which statement is true about an object's interface?
A. The principal interface is the least-specific interface the object supports.
B. It can support inheritance.
C. It provides a semantic description of the services.
D. The principal interface consists of all operations in the associative closure of its inheritance graph.
正解：B
質問 7：
An example of a module exhibiting temporal cohesion is a combination of_______.
A. the control and management of two onboard hardware clocks
B. a 40 millisecond periodic navigation function and a 40 millisecond periodic display update function
C. the vehicle speed and acceleration management functions
D. several mathematical functions such as the sine, cosine, and arctangent functions
正解：B
質問 8：
What is the range of RT CORBA priorities?
A. 0 to 65535
B. 0 to 32767
C. 0 to 127
D. 0 to 255
正解：B
質問 9：
A general purpose RTOS
A. supports networked real-time applications
B. has a simple organization
C. optimizes system service request speed
D. minimizes memory utilization
正解：A
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