OMG OMG-OCRES-A300 問題集

質問 1：
Which statement is true about a READ_ONLY DLRL Cache?
A. It can be associated with more than one DCPS Subscriber entities.
B. It can be associated with more than one DCPS Publisher entities.
C. It is associated with a single DCPS Publisher entity.
D. It is associated with a single DCPS Subscriber entity.
正解：D

質問 2：
In the Deployment and Configuration specification, software components can have implementations that
are what? (Choose two.)
A. monolithic implementations
B. executables or shared libraries
C. assemblies of other components
D. scripted (CORBAscript) implementations
正解：A,C

質問 3：
Which two statements about RT-CORBA and CORBA Core compliance are true? (Choose two.)
A. Since CORBA 2.4, compliance with the Real-time CORBA Base Architecture is necessary for
compliance to CORBA Core.
B. When no scheduler is installed, the scheduling behavior of an ORB that conforms to Dynamic
Scheduling is unspecified.
C. An ORB implementation compliant with the Real-time CORBA Base Architecture must implement all of
Real-time CORBA (chapters 1, 2 and 3).
D. An ORB that conforms to Dynamic Scheduling must raise the NO_SCHEDULER exception when no
scheduler is installed.
E. Dynamic Scheduling, as defined in the Chapter 3, Dynamic Scheduling", is a separate and optional
compliance point.
F. An ORB that conforms to Dynamic Scheduling must implement the fixed priority scheduling of the
Real-time CORBA Base Architecture when no scheduler is installed
正解：E,F

質問 4：
From the Domain Viewpoint as defined in the UML Profile for SPT, which statement is true about RT
CORBAs extensions to standard CORBA?
A. They provide for gaining knowledge of absolute priorities of activities in distributed environments.
B. They provide a framework for predictable end-to-end execution times in distributed and heterogeneous
environments
C. They provide a mechanism to support but NOT guarantee that deadlines are met in distributed and
embedded environments.
D. They provide for a data centric (i.e. ordered packet) capability in CORBA in homogeneous
environments.
正解：B

質問 5：
Which statement correctly describes the Lightweight Logging Service types and data structures?
A. When the OperationalState is DISABLED, the log is still available for use by log producers.
B. The InvalidParam exception indicates that all provided parameters were invalid.
C. The AdministrativeState can be set to locked or unlocked.
D. LogTime has two fields of type long for microseconds and nanoseconds.
正解：C

質問 6：
Which statement is true about an interoperability transformation?
A. It is a transformation applied to interoperability connectors.
B. It is a transformation that distributes a PSM to a multiprocessor system.
C. It transforms two PIMs to a PSM that is interoperable on a single platform.
D. It includes transformation specifications for two different platforms.
正解：D

質問 7：
What is the name of the stereotype in the encapsulating class of the following diagram?
A. Content
B. RiskReduction
C. Treatment
D. Risk
正解：D

質問 8：
In the CORBA Component Model, a component implementation can access container-provided component-specific runtime information through which interface?
A. Executor
B. Context
C. Session
D. Container
正解：B