UM0-411: UM0-411 OMG OCRES Advanced Exam
Free Practice Exam Questions (page: 3)
Updated On: 10-Jan-2026

Which statement is true about the feasibility of a Rate Monotonic Schedule?

  1. It CANNOT be determined precisely.
  2. It can be determined only for the highest priority task.
  3. It can be determined for any set of task deadlines with bounded execution times.
  4. It can be determined for any number of periodic tasks with bounded execution times.

Answer(s): D



What does performance engineering start with?

  1. creating a predictable system architecture
  2. choosing an appropriately predictable scheduling policy
  3. defining the performance requirements for the target system
  4. defining a set of performance tests to determine that requirements will be met

Answer(s): C



How does a pure tree decomposition differ from a general hierarchical decomposition?

  1. Different modules share standard subroutines.
  2. Leaf-functions are shared between many different modules.
  3. 'Building-brick' functions are NOT shared between modules.
  4. System branch prediction can be used to increase performance.

Answer(s): C



Creating rate groups can produce which effect?

  1. reducing processor load variations
  2. ensuring that time constraints are met
  3. decreasing the overhead of task dispatch
  4. simplifying system maintainability when requirements change

Answer(s): C



Earliest deadline scheduling is a form of what?

  1. preemptive static scheduling
  2. deadline monotonic scheduling
  3. non-preemptive static scheduling
  4. priority-based preemptive dynamic scheduling

Answer(s): D



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