OMG UM0-401 OCRESâ„¢ Exam Questions Instant Access

Question 1

Which of these QoS is "changeable"?

ADURABILITY

BPRESENTATION

COWNERSHIP

DPARTITION

Answer : D

Question 2

As the clock tick period is reduced, which two statements are true? (Choose two.)

AContext switch times are reduced.

BTask reaction time jitter is reduced.

CTimer and clock resolution is decreased.

DThe available time for processing tasks is reduced.

Answer : B, D

Question 3

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

AReduces overhead

BIncreases overhead

CMay starve lower priority tasks

DAvoids the need for priority queues

Answer : B, C

Question 4

Which classes are DDS Entities? Select TWO.

AWait Set

BPublisher

CData Reader

DSubscriber Listener

EContent Filtered Topic

Answer : B, C

Question 5

Which two phrases are true of a binary semaphore?

Ahas higher overhead than a monitor

Bhas a queue for each task priority level

CWAIT and SIGNAL can occur in either order

Dneed not be associated with any specific resource

Answer : C, D

Question 6

If the ORB cannot map the configured range of priorities, CORBA::ORB_init will raise _____.

AINITIALIZE with minor code 1

BMARSHAL with minor code 4

CBAD_INV_ORDER with minor code 18

DDATA_CONVERSION with minor code 2

Answer : D

Question 7

What is the name of the Active Resource that is responsible for executing actions in the system?

AAgent

BThread

CEngine

DConcurrent Unit

Answer : D

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