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SKU: UM0-401
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Free OMG UM0-401 Exam Actual Questions

The questions for UM0-401 were last updated On Jan 13, 2025

Question No. 1

The main difference between a QoS Category and a QoS Characteristic is that QoS Characteristics are directly _____.

Aqualifiedly

Bspecifiable

Cjustifiable

Dquantifiable

Show Answer

Correct Answer: D

Question No. 2

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.)

AMaximize the number of completed tasks per unit of time

BMinimize the task scheduling and context switching overheads

CHonor the commitment made to complete the task once it has begun executing

DShare the processor time fairly among ready tasks

Show Answer

Correct Answer: B, C

Question No. 3

In the Lightweight Time Service, what is the resolution of clocks?

AThe clock resolution shall be 100 nanoseconds.

BThe clock resolution shall be 100 nanoseconds or less.

CThe clock resolution shall be at least 100 nanoseconds.

DThe clock resolution is implementation-defined.

EThe clock resolution shall be equal to the CPU clock cycle rate.

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Correct Answer: D

Question No. 4

Dynamic scheduling includes utility based or _____ scheduling.

Avalue based

Bvariable based

Ceconomic based

Dcontinuous based

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Correct Answer: A

Question No. 5

The Lightweight Time Service Periodic interface------------

Aassumes that a periodic object is always 'ready to execute'

Bexecutes thedo_work operation invoked by the Controller

Cinitiates periodic execution when using an unsigned integerparams set to 0

Ddoes not require that a periodic object be registered with a clock beforehand

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Correct Answer: B