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

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Sample UM0-401 Exam Questions & Explanations

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Question #1 Verified Q&A
An example of a module exhibiting temporal cohesion is a combination of-------
A the vehicle speed and acceleration management functions
B the control and management of two onboard hardware clocks
C a 40 millisecond periodic navigation function and a 40 millisecond periodic display update function
D several mathematical functions such as the sine, cosine, and arctangent functions
Correct Answer: a 40 millisecond periodic navigation function and a 40 millisecond periodic display update function
Question #2 Verified Q&A
What two actions must occur in systems that use overlaying with a disk drive backing store? (Choose two.)
A The code for the currently executing tasks is stored in RAM and that for the currently inactive tasks is stored on the disk, as managed by the operating system.
B A task executing in RAM can also execute code that is stored on the disk.
C The operating system must prevent each task in RAM from accessing RAM outside the area reserved for it.
D Only data is stored on the disk and code is stored in RAM.
Correct Answer: The code for the currently executing tasks is stored in RAM and that for the currently inactive tasks is stored on the disk, as managed by the operating system., The operating system must prevent each task in RAM from accessing RAM outside the area reserved for it.
Question #3 Verified Q&A
Which two statements about static memory allocation are true? (Choose two.)
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.
Correct Answer: Memory fragmentation does not occur., Garbage collection is not required.
Question #4 Verified Q&A
POSIX ----------------------
A is an operating system interface standard
B does not support asynchronous I/O
C is not designed for real-time systems
D is the same as UNIX
Correct Answer: is an operating system interface standard
Question #5 Verified Q&A
A scheduler runs tasks to completion instead of pre-empting tasks by time slicing or according to priority. What two actions will occur? (Choose two.)
A Share the processor time fairly among ready tasks
B Minimize the task scheduling and context switching overheads
C Honor the commitment made to complete the task once it has begun executing
D Maximize the number of completed tasks per unit of time
Correct Answer: Minimize the task scheduling and context switching overheads, Honor the commitment made to complete the task once it has begun executing

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Our UM0-401 (OMG OCRES-Intermediate Exam) practice question bank currently includes 180 verified questions with comprehensive explanations.
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Yes, all OMG UM0-401 practice questions are regularly updated and verified against current exam objectives.
Will the UM0-401 practice questions help me pass on my first attempt?
The UM0-401 (OMG OCRES-Intermediate Exam) question bank is built to mirror the real exam's format and topics, with detailed explanations for every answer so you understand the reasoning — not just memorize responses.
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