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

Last updated on May 01, 2026

97% Exam Compliance
180 Total Questions
1
Question

In RT CORBA, what happens when the Priority Model is applied to a RT POA on the client side?

Options
A

The client's CORBA priority is published in its object reference.

B

The client's CORBA priority is made available to the server-side ORB.

C

The client's CORBA priority is applied to executing threads after mapping to the native priority.

D

The client's CORBA priority is unaffected by the priority inheritance policies of the underlying RTOS.

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2
Question

An example of a module exhibiting temporal cohesion is a combination of-------

Options
A

the control and management of two onboard hardware clocks

B

a 40 millisecond periodic navigation function and a 40 millisecond periodic display update function

C

several mathematical functions such as the sine, cosine, and arctangent functions

D

the vehicle speed and acceleration management functions

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3
Question

What two results occur by changing priorities dynamically? (Choose two.)

Select 2
Options
A

Reduces overhead

B

Increases overhead

C

May starve lower priority tasks

D

Avoids the need for priority queues

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4
Question

TCP/IP is used in many real-time applications because it-----------------

Options
A

is so pervasive that it has achieved very high efficiency

B

is implemented directly in networked hardware devices

C

is ubiquitous in Internet applications and is therefore widely available

D

readily supports the bounded time constraints imposed on real-time applications

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5
Question

What time scales does the Lightweight Time Service support? (Choose two.)

Select 2
Options
A

Ephemeris time

B

Global Positioning System Time

C

Terrestrial Dynamical Time

D

International Atomic Time

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