Passing exam with OMG-OCRES-A300 latest training materials
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Updated: Sep 24, 2026
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OMG OMG-OCRES-A300 Exam Overview:
| Certification Vendor: | OMG (Object Management Group) |
|---|---|
| Exam Name: | OMG-Certified Real-time and Embedded Systems Specialist Advanced Exam |
| Exam Number: | OMG-OCRES-A300 (also known as UM0-411) |
| Real Exam Qty: | 90 |
| Exam Duration: | 90 (120 for non-English administrations) |
| Exam Format: | Includes text and UML diagrams, Multiple-choice, Multi-response |
| Available Languages: | English, Japanese (limited availability) |
| Related Certifications: | OMG-Certified UML Professional 2 (OCUP 2) Fundamental OMG-Certified Real-time and Embedded Systems Specialist (OCRES) Intermediate |
| Passing Score: | Approx. 63% (57/90) |
| Certificate Validity Period: | Lifetime (for the exam version taken) |
| Exam Price: | USD 200 - 210 |
| Recommended Training: | Software Engineering for Real-time Systems (Textbook) OMG OCRES Official Resources |
| Exam Registration: | Pearson VUE OMG Exam Registration |
| Sample Questions: | OMG OMG-OCRES-A300 Sample Questions |
| Exam Way: | Computer-Based Testing (CBT) at Pearson VUE authorized centers |
| Pre Condition: | Pass OCUP 2 Fundamental and OCRES Intermediate exams |
| Official Syllabus URL: | https://www.omg.org/ocres/exam-info.htm |
OMG OMG-OCRES-A300 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Lightweight CORBA Component Model (LwCCM) | 15% | - Deployment and Configuration specification - Component model and deployment |
| Real-Time Software Engineering | 20% | - Real-time system principles - Fault tolerance and reliability - Schedulability and timing analysis |
| MDA Guide & Modeling Standards | 20% | - UML Profile for Quality of Service and Fault Tolerance (QoS/FT) - MDA architecture and transformations - PIM, PSM, and platform modeling - UML Profile for Schedulability, Performance and Time (SPT) |
| Real-Time CORBA & CORBA/e | 25% | - Extensible Transport Framework - CORBA for Embedded (CORBA/e) specifications - Real-time CORBA with dynamic scheduling |
| Data Distribution Service (DDS) | 20% | - DCPS core model - Data Local Reconstruction Layer (DLRL) |
OMG-Certified Real-time and Embedded Systems Specialist Advanced Sample Questions:
The ThreadPoolPolicy may be applied at the _____. .
- A. ORB and POA level
- B. Root POA level only
- C. ORB level only
- D. POA and Object level
Correct Answer: A 🗳️
The Lightweight CCM profile removes support for ______.
- A. executor
- B. connector
- C. locator
- D. compositor
Correct Answer: C 🗳️
A Rate Monotonic Schedule sets task priorities according to what?
- A. system mode
- B. task deadline
- C. task laxity
- D. length of a task's period
Correct Answer: D 🗳️
The PSM for CCM for the Deployment and Configuration specification maps a package to what?
- A. a PKG file
- B. a TAR file (on Unix) or CAB file (on Windows)
- C. a set of XML files
- D. a JAR file
- E. a ZIP file
Correct Answer: E 🗳️
When a policy object is associated with an ORB instance ("capsule"), which condition applies?
- A. Policies associated with an object reference persist until that object reference is destroyed.
- B. Object references created using a policy override CANNOT be duplicated.
- C. Policy overrides associated with an object reference can be passed to an IOR.
- D. Policies associated with the capsule takes precedence over the policy set in the thread of execution.
Correct Answer: A 🗳️
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