OneStream Certified Professional (OCP) -
Lead Architect R1 Exam High-Yield
Questions &Answers Rationales Instant
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Q1. What is the primary purpose of the OneStream XF
Platform?
A) A data warehouse solution for operational reporting
B) A unified Corporate Performance Management (CPM)
platform providing financial consolidation, planning, reporting,
analytics, and data quality management in a single solution
C) An ETL tool for extracting data from legacy systems
D) A visualization tool for creating dashboards
Answer: B
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Rationale: OneStream XF is designed as a unified CPM platform
that consolidates multiple financial processes into a single
application, eliminating the need for separate modules for
consolidation, planning, and reporting .
Q2. Which of the following are core components of the
OneStream architecture?
A) Application Server, Database Server, Web Server,
OneStream Service, and Client applications
B) Data Warehouse, ETL Server, Reporting Server, and Cube
Server
C) Only the Application Server and Database Server
D) Web Server and Client applications only
Answer: A
Rationale: The OneStream architecture consists of multiple tiers:
an Application Server (handling business logic), Database Server
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(data storage), Web Server (web interface hosting), OneStream
Service (background processes), and Client applications (Excel
Add-in, web client) .
Q3. Which database systems does OneStream support?
A) MySQL and PostgreSQL only
B) Microsoft SQL Server and Oracle Database
C) IBM DB2 and SAP HANA
D) Only Microsoft SQL Server
Answer: B
Rationale: Microsoft SQL Server and Oracle Database are the
primary supported database systems for OneStream
deployments .
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Q4. What is the difference between OneStream Platform and
OneStream Applications?
A) Platform is for development, Applications are for production
B) The Platform is the underlying technology infrastructure, while
Applications are business-specific solutions built on top of the
Platform
C) There is no difference; the terms are interchangeable
D) The Platform is for on-premises deployment, and Applications
are for cloud
Answer: B
Rationale: OneStream Platform provides the foundational
technology (servers, databases, security, calculation engine),
while Applications are configured solutions built on that platform
for specific business requirements .
Q5. What is an OneStream Application Database?