OMG-Certified Real-time and Embedded Systems Specialist Intermediate Sample Questions:
1. An operation declaration must contain which two of these? (Choose two.)
A) An operational attribute to specify the invocation semantics
B) A raises expression
C) An identifier to name the operation
D) An indication of the operation's return result data type
2. When "isQoSObservation identifies QoS monitoring" is taking place, QoSContext identifies the collection
of quality _____.
A) Constraints
B) Characteristics
C) Contracts
D) Values
3. The RELIABILITY QoS concerns which one of the following entities?
A) Subscriber
B) DomainParticipant
C) Publisher
D) Topic
4. What two results occur by changing priorities dynamically? (Choose two.)
A) Avoids the need for priority queues
B) Increases overhead
C) May starve lower priority tasks
D) Reduces overhead
5. Which two statements are true of a monitor for synchronization? (Choose two.)
A) No concurrent access by tasks is allowed to any resource(s) within a monitor.
B) 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.
C) 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.
D) One monitor may encapsulate any number of resources and their synchronization functions.
Solutions:
| Question # 1 Answer: C,D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: B,C | Question # 5 Answer: A,D |
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