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OMG UM0-401 Exam
UM0-401 OCRES-Intermediate Exam (Page 4 )

Updated On: 19-Jan-2026
Page 4 of 37
PDF with 180 Questions

A representative benchmark differs from a synthetic benchmark in that a-------------

  1. representative benchmark models a representative ideal application
  2. synthetic benchmark precisely predicts specific application performance
  3. representative benchmark models a real application's execution characteristics
  4. synthetic benchmark must be developed by the same team that will build the application

Answer(s): C



Network protocol models are described as layers that--------------

  1. permit separation of concerns of lower layers (e.g., hardware) from higher layers (e.g., application)
  2. add increasing efficiency to higher layers (e.g., application) than lower layers (e.g., hardware)
  3. are highly consistent in number and function among different protocols
  4. provide efficient application access to network hardware addresses

Answer(s): A



The primary requirement for an RTOS is to--------------

  1. maximize application speed and minimize memory utilization
  2. enable fast control and data transfer to critical system devices
  3. enable the application to meet both its functional and temporal requrements
  4. permit the application to efficiently access all resources (e.g., I/O and memory)

Answer(s): C



A strictly conforming POSIX application----------

  1. uses all POSIX functions and standard options
  2. uses only IEEE tested conforming operating systems
  3. uses only POSIX required API's for its OS functionality
  4. runs on all operating systems whose vendors claim POSIX conformance

Answer(s): C



Which statement accurately describes where a "mark" exists in the MDA model hierarchy?

  1. as part of the PSM
  2. as part of the PIM
  3. as part of a transparent layer placed over a PIM
  4. as part of a transparent layer placed over a PSM

Answer(s): C



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