CORBA Real-time – Real-time Systems MCQs

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1. What is the main purpose of real-time CORBA in real-time systems?
(A) To provide deterministic and predictable remote procedure calls (RPCs) across distributed systems
(B) To store system logs only
(C) To replace operating systems entirely
(D) To perform batch-only computation

2. Real-time CORBA differs from standard CORBA by:
(A) Disk batch-only communication
(B) CPU idle exclusively
(C) Supporting priority-based and time-constrained operations
(D) Memory-only operations

3. One key feature of real-time CORBA is:
(A) Memory-only propagation
(B) CPU idle exclusively
(C) Disk batch-only RPCs
(D) Priority propagation across remote method invocations

4. Time-constrained objects in real-time CORBA are designed to:
(A) Memory-only constraints
(B) CPU idle exclusively
(C) Disk batch-only tasks
(D) Meet execution deadlines and specify worst-case execution times

5. Real-time CORBA supports which communication model?
(A) CPU idle exclusively
(B) Synchronous and asynchronous method invocations with QoS parameters
(C) Disk batch-only messaging
(D) Memory-only calls

6. The main QoS parameters in real-time CORBA include:
(A) Memory-only metrics
(B) CPU idle exclusively
(C) Disk batch-only parameters
(D) Priority, latency, and execution time constraints

7. Real-time CORBA helps in distributed systems by:
(A) Memory-only scheduling
(B) CPU idle exclusively
(C) Disk batch-only operations
(D) Providing predictable execution for high-priority and time-sensitive tasks

8. One benefit of real-time CORBA is:
(A) CPU idle exclusively
(B) Seamless integration of heterogeneous systems with predictable behavior
(C) Disk batch-only integration
(D) Memory-only compatibility

9. In real-time CORBA, threads are managed to:
(A) Memory-only execution
(B) CPU idle exclusively
(C) Disk batch-only scheduling
(D) Execute tasks according to their priority and time constraints

10. Priority inversion in real-time CORBA is handled using:
(A) Memory-only techniques
(B) CPU idle exclusively
(C) Disk batch-only methods
(D) Priority inheritance or priority ceiling protocols

11. Real-time CORBA allows binding of:
(A) Disk batch-only objects
(B) CPU idle exclusively
(C) Objects to specific scheduling policies and priorities
(D) Memory-only binding

12. Thread pools in real-time CORBA are used to:
(A) Control the number of concurrent threads and manage resource usage
(B) CPU idle exclusively
(C) Disk batch-only threads
(D) Memory-only threads

13. Real-time CORBA ensures temporal predictability by:
(A) Enforcing execution deadlines and bounded communication latencies
(B) CPU idle exclusively
(C) Disk batch-only guarantees
(D) Memory-only timing

14. The real-time CORBA specification is standardized by:
(A) Disk batch-only organization
(B) CPU idle exclusively
(C) OMG (Object Management Group)
(D) Memory-only standards

15. Time-constrained operations in real-time CORBA define:
(A) Disk batch-only operations
(B) CPU idle exclusively
(C) Maximum processing time, deadline, and optional execution windows
(D) Memory-only limits

16. Real-time CORBA helps in safety-critical systems by:
(A) Ensuring predictable and timely execution of distributed tasks
(B) CPU idle exclusively
(C) Disk batch-only execution
(D) Memory-only tasks

17. The main advantage of real-time CORBA over standard CORBA is:
(A) CPU idle exclusively
(B) Temporal predictability and priority-aware execution in distributed systems
(C) Disk batch-only operations
(D) Memory-only execution

18. Real-time CORBA supports which type of scheduling?
(A) Memory-only policies
(B) CPU idle exclusively
(C) Disk batch-only scheduling
(D) Priority-based, time-based, and client-specified scheduling policies

19. CORBA real-time middleware is widely used in:
(A) Disk batch-only domains
(B) CPU idle exclusively
(C) Aerospace, automotive, and industrial control systems
(D) Memory-only applications

20. The main goal of real-time CORBA is:
(A) Enable safe, predictable, and distributed execution of high-priority tasks
(B) CPU idle exclusively
(C) Disk batch-only execution
(D) Memory-only scheduling