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OMG UM0-401 Exam Overview:
| Certification Vendor: | Object Management Group (OMG) |
|---|---|
| Exam Name: | OCRES Intermediate Examination |
| Exam Number: | UM0-401 |
| Real Exam Qty: | 90 |
| Related Certifications: | OCUP 2 Foundation OCRES Advanced |
| Exam Format: | Multiple Choice |
| Available Languages: | English |
| Certificate Validity Period: | Not explicitly defined by OMG (certification validity not publicly fixed) |
| Exam Price: | USD 200 |
| Passing Score: | 40 (out of 90 questions minimum passing threshold as specified by OMG grading scheme) |
| Exam Duration: | 90 minutes |
| Recommended Training: | OMG OCRES Specification & Coverage Materials Software Engineering for Real-time Systems (Jim Cooling) |
| Exam Registration: | OMG OCRES Program Page Pearson VUE OMG Exams Portal |
| Sample Questions: |  |
| Exam Way: | Computer-based exam delivered via Pearson VUE testing centers |
| Pre Condition: | OCUP 2 Foundation certification is required as a prerequisite (no strict order enforced, but required for OCRES certification completion). |
| Official Syllabus URL: | https://www.omg.org/ocres/intermediate.htm |
OMG UM0-401 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Distribution and Communication Standards | - Data Distribution Service (DDS) - Extensible transport frameworks - DLRL (Data Local Reconstruction Layer) |
| Topic 2: OMG UML Profiles for Real-time Systems | - Schedulability, Performance, and Time profile - Quality of Service and Fault Tolerance profile |
| Topic 3: Deployment and Configuration | - Deployment and configuration packaging standards |
| Topic 4: Real-time and Embedded Systems Foundations | - Real-time software engineering principles - Model-driven architecture (MDA) concepts |
| Topic 5: Middleware and Distributed Systems | - Lightweight CORBA services and components - CORBA for Embedded (CORBA/e) - Real-time CORBA (including dynamic scheduling) |
Your OMG UM0-401 Questions Answered
The OMG Omg OCRES-Intermediate is one of OMG's influential certification exams — pass it and you earn the OMG Certified Real-time and Embedded Specialist (OCRES) certification (Professional level). Among IT workers it's a popular way to prove professional knowledge in the field. It also connects with related credentials such as OCUP 2 Foundation, OCRES Advanced.
Yes — download the free UM0-401 demo and judge the question quality with your own eyes before paying. Every purchase then includes 365 days of free updates, and an expired update period can be extended at 50% off.
OCUP 2 Foundation certification is required as a prerequisite (no strict order enforced, but required for OCRES certification completion). Because these requirements change over time, double-check the current criteria on the official exam page (official UM0-401 exam information) before you book.
The vendor recommends:
- Software Engineering for Real-time Systems (Jim Cooling)
- OMG OCRES Specification & Coverage Materials
Training is a solid foundation — but practice is the proof. Follow up any course with the UM0-401 practice questions from DumpsTorrent to see whether you're truly exam-ready.
Register through the vendor's official channels:
The exam is offered Computer-based exam delivered via Pearson VUE testing centers — pick what suits you when you book.
90 questions inside 90 minutes. The hidden skill here is pacing: know your per-question budget, skip and return rather than stall, and rehearse with the DumpsTorrent online test engine — you can set the timer yourself to mimic real exam pressure, on any device, whenever spare time appears.
Delivery is instant — after successful payment, our system automatically emails the product to your mailbox within a minute, with download access right away and no installation limits; contact our 24/7 customer assistance if 2 hours pass with nothing. If you fail: take the corresponding UM0-401 exam within 60 days of purchase and submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam — the full refund is processed within 7 days. Exclusions: exams taken within 3 days of purchase, name mismatches between candidate and payer, and free or expired products. Or exchange for two equal-value exam products free, keeping your updates.
The official OMG Omg OCRES-Intermediate blueprint contains 5 domains, including Real-time and Embedded Systems Foundations, Data Distribution and Communication Standards, Middleware and Distributed Systems. The weightings tell you where the exam's points live — allocate your spare time to match. The complete outline above has every domain and subtopic.
You'll need 40 (out of 90 questions minimum passing threshold as specified by OMG grading scheme) to pass, and the official fee is USD 200 per attempt — every retake bills the full amount again. Practicing with the 180 questions from DumpsTorrent until your scores are consistently comfortable is how you pay that fee once.
OMG Omg OCRES-Intermediate Sample Questions:
An RT Root POA reference is retrieved via a call to _____.
- A. ORB::resolve_initial_references("RootPOA")
- B. ORB::resolve_initial_references("RTRootPOA")
- C. ORB::resolve_initial_references("RootRTPOA")
- D. ORB::resolve_initial_references("RootPOART")
Correct Answer: A 🗳️
Which two of these requirements can be used to prevent deadlock using fixed-order resource allocation? (Choose two.)
- A. Always requires calculation of the time when tasks will acquire all their resources
- B. Requires that resources be requested by all tasks in a fixed order assigned to the resources
- C. Requires that a task which requests a locked resource must release all the other resource locks it holds and be suspended
- D. Requires that resources be requested in a fixed order assigned to the tasks, such as according to their priorities
Correct Answer: B,C 🗳️
Which two conditions allow the value offered for the PRESENTATION QoS to be considered compatible with the value requested? (Choose two.)
- A. requestedordered_access is FALSE and offered ordered_access is TRUE
- B. requestedordered_access is TRUE and offered ordered_access is FALSE
- C. requestedcoherent_access is FALSE and offered coherent_access is TRUE
- D. requestedcoherent_access is TRUE and offered coherent_access is FALSE
Correct Answer: A,C 🗳️
The Lightweight Time Service Periodic interface---------------
- A. initiates periodic execution when using an unsigned integerparams set to 0
- B. assumes that a periodic object is always "ready to execute"
- C. executes thedo_work operation invoked by the Controller
- D. does not require that a periodic object be registered with a clock beforehand
Correct Answer: C 🗳️
What does the term "Platform independence" mean?
- A. The application model is independent of the features of any particular platform from some class of platforms.
- B. The application model is independent of the hardware platform where the application may be deployed.
- C. The application model can be moved to every other platform that is available.
- D. The application is written in a high-level programming language such as Java or C++.
Correct Answer: A 🗳️
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