OneStream Certified Professional (OCP) - Lead
Architect R1 Exam 2026 Latest Update | Graded A+
SECTION 1: CORE ARCHITECTURE (1–20)
1. What architectural model does OneStream XF use?
A. Multiple cubes per process
B. Single cube per department
C. Single unified cube
D. Separate cubes per scenario
✅ Correct Answer: C
📘 Rationale: OneStream uses a single unified cube architecture to support all
financial and operational processes, reducing data duplication and improving
governance.
2. What is the primary benefit of a single-cube architecture?
A. Faster user licensing
B. Reduced metadata governance
C. Elimination of data silos
D. Increased cube count
✅ Correct Answer: C
📘 Rationale: A single cube eliminates silos by storing all data in one governed model,
ensuring consistency across processes.
,3. Which database platform underlies OneStream XF?
A. Oracle
B. PostgreSQL
C. Microsoft SQL Server
D. MySQL
✅ Correct Answer: C
📘 Rationale: OneStream is natively built on Microsoft SQL Server, leveraging its
performance, scalability, and security features.
4. Which database stores metadata definitions?
A. Finance
B. Stage
C. Application
D. Reporting
✅ Correct Answer: C
📘 Rationale: The Application database stores metadata such as dimensions,
members, workflows, and security objects.
5. Where are calculations and consolidations executed?
A. Stage database
B. Reporting layer
C. Finance cube
D. Application database
✅ Correct Answer: C
,📘 Rationale: The Finance cube is responsible for calculations, consolidations,
translations, and eliminations.
6. What is the purpose of the Stage database?
A. Reporting
B. Metadata storage
C. Data ingestion and transformation
D. Security enforcement
✅ Correct Answer: C
📘 Rationale: The Stage database is designed for data loading, validation, and
transformation before data enters the Finance cube.
7. Which feature allows OneStream to support many business processes?
A. Multiple applications
B. Extensible dimensions
C. Hard-coded workflows
D. Multiple finance cubes
✅ Correct Answer: B
📘 Rationale: Extensible dimensions (UDs) allow different processes (Actuals, Forecast,
Planning, etc.) within the same cube.
8. What does XF stand for?
A. Extended Finance
, B. eXtensible Framework
C. External Function
D. Xtreme Finance
✅ Correct Answer: B
📘 Rationale: XF means eXtensible Framework, highlighting OneStream’s extensibility
and configurability.
9. Which object governs process sequencing and approvals?
A. Cube Views
B. Dashboards
C. Workflow Profiles
D. Security Groups
✅ Correct Answer: C
📘 Rationale: Workflow Profiles define task order, dependencies, approvals, and
process control.
10. Which design principle improves auditability?
A. Multiple cubes
B. Unified workflow
C. Manual adjustments
D. Ad-hoc security
✅ Correct Answer: B
📘 Rationale: Unified workflows enforce controlled sign-offs and traceable process
states, improving auditability.
Architect R1 Exam 2026 Latest Update | Graded A+
SECTION 1: CORE ARCHITECTURE (1–20)
1. What architectural model does OneStream XF use?
A. Multiple cubes per process
B. Single cube per department
C. Single unified cube
D. Separate cubes per scenario
✅ Correct Answer: C
📘 Rationale: OneStream uses a single unified cube architecture to support all
financial and operational processes, reducing data duplication and improving
governance.
2. What is the primary benefit of a single-cube architecture?
A. Faster user licensing
B. Reduced metadata governance
C. Elimination of data silos
D. Increased cube count
✅ Correct Answer: C
📘 Rationale: A single cube eliminates silos by storing all data in one governed model,
ensuring consistency across processes.
,3. Which database platform underlies OneStream XF?
A. Oracle
B. PostgreSQL
C. Microsoft SQL Server
D. MySQL
✅ Correct Answer: C
📘 Rationale: OneStream is natively built on Microsoft SQL Server, leveraging its
performance, scalability, and security features.
4. Which database stores metadata definitions?
A. Finance
B. Stage
C. Application
D. Reporting
✅ Correct Answer: C
📘 Rationale: The Application database stores metadata such as dimensions,
members, workflows, and security objects.
5. Where are calculations and consolidations executed?
A. Stage database
B. Reporting layer
C. Finance cube
D. Application database
✅ Correct Answer: C
,📘 Rationale: The Finance cube is responsible for calculations, consolidations,
translations, and eliminations.
6. What is the purpose of the Stage database?
A. Reporting
B. Metadata storage
C. Data ingestion and transformation
D. Security enforcement
✅ Correct Answer: C
📘 Rationale: The Stage database is designed for data loading, validation, and
transformation before data enters the Finance cube.
7. Which feature allows OneStream to support many business processes?
A. Multiple applications
B. Extensible dimensions
C. Hard-coded workflows
D. Multiple finance cubes
✅ Correct Answer: B
📘 Rationale: Extensible dimensions (UDs) allow different processes (Actuals, Forecast,
Planning, etc.) within the same cube.
8. What does XF stand for?
A. Extended Finance
, B. eXtensible Framework
C. External Function
D. Xtreme Finance
✅ Correct Answer: B
📘 Rationale: XF means eXtensible Framework, highlighting OneStream’s extensibility
and configurability.
9. Which object governs process sequencing and approvals?
A. Cube Views
B. Dashboards
C. Workflow Profiles
D. Security Groups
✅ Correct Answer: C
📘 Rationale: Workflow Profiles define task order, dependencies, approvals, and
process control.
10. Which design principle improves auditability?
A. Multiple cubes
B. Unified workflow
C. Manual adjustments
D. Ad-hoc security
✅ Correct Answer: B
📘 Rationale: Unified workflows enforce controlled sign-offs and traceable process
states, improving auditability.
