OMG UM0-401 Exam (page: 4)
OMG UM0-401 OCRES-Intermediate Exam
Updated on: 12-Feb-2026

Viewing Page 4 of 24

In the UML Profile for Schedulability, Performance, and Time, usage demand is described as------

  1. an event occurrence that causes a resource usage
  2. resource usages, with corresponding densities, and the set of resource instances that are used by resource usages
  3. QoS values of a system associated with a specific resource usage
  4. a pattern describing how clients use resources and services

Answer(s): A



What is the name of the Active Resource that is responsible for executing actions in the system?

  1. Agent
  2. Thread
  3. Engine
  4. Concurrent Unit

Answer(s): D



What is the maximum absolute time difference in relative frequencies of the clock and its reference clock between two successive time ticks?

  1. drift
  2. offset
  3. maximal value
  4. maximum stability

Answer(s): A



What is the schedulable resource that an action executes on?

  1. Host
  2. Scheduler
  3. SResource
  4. Scheduling job

Answer(s): A



Dynamic scheduling includes utility based or-------------- scheduling.

  1. value based
  2. variable based
  3. economic based
  4. continuous based

Answer(s): A



In the Dynamic Usage Model, the usage of resources is represented by a scenario instance.
What is an ordered series of steps called?

  1. Action
  2. Action Item
  3. Action Instance
  4. Action Execution

Answer(s): D



What is the general concurrency model based on?

  1. event model
  2. scenario model
  3. causality model
  4. resource model

Answer(s): C



Which two elements are part of the Causality Model Package? (Choose two.)

  1. Effect Generation
  2. Event Occurrence
  3. Scenario Instance
  4. Stimulus Reception

Answer(s): B,D



Viewing Page 4 of 24



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