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OMG OCRES-Intermediate Exam (UM0-401) - OMG Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
180 Total Questions
1
Question
Which two statements are true of a monitor for synchronization? (Choose two.)
Select 2
Options
A 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.
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 One monitor may encapsulate any number of resources and their synchronization functions.
D No concurrent access by tasks is allowed to any resource(s) within a monitor.
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2
Question
Which two statements about static memory allocation are true? (Choose two.)
Select 2
Options
A Tasks must inform the run-time (e.g., operating system) the total amount of memory they will need before they begin requesting memory.
B Memory fragmentation does not occur.
C Memory allocation units are always the same fixed size.
D Garbage collection is not required.
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3
Question
Click on Exhibit. Given this configuration, select the statement that is true.

Exhibit
Options
A The QoS of Data Writer 2 is compatible with that of Data Reader 1
B The QoS of Data Writer 2 is compatible with that of Data Reader 2
C The QoS of Data Writer 1 is compatible with that of Data Reader 2
D The QoS of Data Writer 1 is compatible with that of Data Reader 1
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4
Question
Max_buffered_requests or max_request_buffer_size has been reached, and new requests are incoming. What two actions occur? (Choose two.)
Select 2
Options
A exception NO_RESOURCES is raised after a timeout
B newer requests are discarded
C exception NO_RESOURCES is raised
D oldest requests are discarded
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5
Question
Choose the three valid return codes for class operations at the PIM level.
Select 3
Options
A INVALID_KEY
B NOT_ENABLED
C OUT_OF_RESOURCES
D ERROR
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