OMG-Certified Real-time and Embedded Systems Specialist Advanced

QUESTION NO: 1
The Lightweight CCM profile removes support for ______.

A. locator B. compositor C. executor D. connector

Correct Answer: A

QUESTION NO: 2
Which exception is thrown when an attempt is made to set the priority to a value outside the accepted
range?

A. BAD_PARAM B. INITIALIZE C. NO_RESOURCES D. BAD_INV_ORDER

Correct Answer: A

QUESTION NO: 3
The Lightweight CCM profile removes support for which feature?

A. service components B. home finder C. component factory D. home inheritance

Correct Answer: B

QUESTION NO: 4
Which is an attribute of RTCclient?

A. capacity B. clientScenario C. clientPriority D. host

Correct Answer: C

QUESTION NO: 5
A 'strongly typed' programming language is subject to which two rules? (Choose two.)

A. All data objects are strongly associated to a local scope. B. Data object names must be in strong Hungarian notation. C. Every data object must belong to one unique type. D. Data objects must be of the same type during assignments unless actively overridden.

Correct Answer: C,D

QUESTION NO: 6
Which statement is true about the argv element of the CORBA::ORB_init operation?

A. If the ORB CANNOT map the argv element integers onto the native priority scheme, then it adjusts the
range as appropriate. B. The two <short> positive integers representing the low and high ends of the priority range may be
expressed in any order. C. There is no minimum range for the low and high priorities expressed in the ORB_init argv element. D. If the argv element string does NOT conform to the specification constraints, then a BAD_PARAM
system exception is raised.

Correct Answer: D

QUESTION NO: 7
What is the scope of RT-CORBA / Dynamic Scheduling?

A. It defines how different scheduling disciplines may interoperate. B. It defines mapping rules from scheduling parameters to RTOS primitives. C. It specifies interfaces that will allow the development of scheduler-independent applications. D. It defines a set of ORB/scheduler interfaces that will allow the development of ORB-independent
schedulers.

Correct Answer: D

QUESTION NO: 8
Which statement correctly describes the Lightweight Logging Service architecture?

A. The core of the Lightweight Logging Service is represented by the class Log. B. Clients of the logging service must have direct access to Lightweight Logging Service operations. C. The class Log communicates directly with the rest of the environment. D. The Lightweight Logging Service requires connection to an event channel or similar structure.

Correct Answer: A

QUESTION NO: 9
Which statement is true about Priority Banded Connections?

A. The PriorityBandedConnectionPolicy is applied on the server-side only, at the time of binding to a
CORBA Object. B. Once a binding has been successfully made, an attempt to make an invocation with a Real-time
CORBA Priority which is NOT covered by one of the bands will fail. C. PriorityBands that cover a single priority (by having the same priority for their low and high values)
CANNOT be mixed with those covering ranges of priorities. D. The complete set of priorities covered by the bands must form one contiguous range.

Correct Answer: B

QUESTION NO: 10
Which statement is true about the thread reentrant policy of the Extensible Transport Framework
Connection interface?

A. Multiple ORB threads may call read() simultaneously on the same Connection object. B. ORBs may only call read() from one single thread at a time on the same Connection object. C. All operations on a Connection object instance can only be invoked from within a single ORB thread. D. Multiple ORB threads may call write() simultaneously on the same Connection object at the same time.

Correct Answer: B

QUESTION NO: 11
Which statement is true about the feasibility of a Rate Monotonic Schedule?

A. It can be determined for any number of periodic tasks with bounded execution times. B. It can be determined for any set of task deadlines with bounded execution times. C. It CANNOT be determined precisely. D. It can be determined only for the highest priority task.

Correct Answer: A

QUESTION NO: 12
A Rate Monotonic Schedule sets task priorities according to what?

A. task deadline B. length of a task's period C. system mode D. task laxity

Correct Answer: B

OMG-Certified Real-time and Embedded Systems Specialist Advanced - OMG-OCRES-A300 Exam Questions