QUESTIONS AND
RATIONALES/GRADED A+
UPDATE 100% CORRECT
SECTION 1: DATA ARCHITECTURE & DATABASES
Question 1
Which of Epic's databases contains real-time, production data?
A) Clarity
B) Caboodle
C) Chronicles
D) Cogito Data Mart
Answer: C – Chronicles
Rationale: Chronicles is Epic's proprietary hierarchical database that stores all live,
real-time clinical, billing, and user information. Clarity and Caboodle are analytical
databases updated via nightly ETL processes.
Question 2
Data is moved from Chronicles to Clarity through a process known as:
A) Slicing
B) ETL (Extract, Transform, Load)
C) Mapping
D) Shadowing
Answer: B – ETL (Extract, Transform, Load)
Rationale: The ETL process typically runs nightly. It extracts data from Chronicles,
transforms it into a relational format, and loads it into the Clarity database for
complex reporting.
Question 3
An analyst needs to write a report combining Epic data with data from an external
non-Epic heart rate monitor. Which database is the best choice?
A) Chronicles
,B) Clarity
C) Caboodle
D) SlicerDicer
Answer: C – Caboodle
Rationale: Caboodle is designed as an enterprise data warehouse that can integrate
Epic data with third-party data sources, making it the best choice for such analyses.
Question 4
A manager wants to see a real-time list of patients currently in the waiting room.
Which tool should be used?
A) Reporting Workbench
B) SlicerDicer
C) Clarity Report
D) Radar Dashboard
Answer: A – Reporting Workbench
Rationale: Reporting Workbench is the only reporting tool that can pull real-time
data directly from Chronicles (the live transactional database).
Question 5
SlicerDicer retrieves its data from which source?
A) Chronicles
B) Clarity
C) Caboodle
D) Analysis Grid
Answer: C – Caboodle
Rationale: SlicerDicer is an analytical tool that sits on top of the Caboodle data
warehouse, which is why its data is not real-time.
Question 6
True or False: Data in Clarity is updated instantly as soon as a doctor signs a note.
A) True
B) False
Answer: B – False
Rationale: Clarity is a relational database updated via a nightly ETL process. It is
always at least one day behind the live Chronicles system.
Question 7
What is the primary purpose of Caboodle?
A) Managing end-user security for Radar
B) Serving as an enterprise data warehouse for longitudinal reporting
, C) Displaying registry dashboards
D) Real-time transaction logging
Answer: B – Serving as an enterprise data warehouse for longitudinal reporting
Rationale: Caboodle is Epic's enterprise data warehouse that integrates and stores
data from Clarity and other sources for historical and predictive analytics. It is
structured to support long-term trend analysis and external benchmarking.
Question 8
How often is data typically updated in Clarity?
A) Real-time
B) Every 5 minutes
C) Nightly via ETL
D) Weekly
Answer: C – Nightly via ETL
Rationale: Clarity is updated once per day during the Clarity ETL (Extract, Transform,
Load) process, making it suitable for non-real-time analytics.
Question 9
Chronicles is Epic's _____ that stores information, including employee, patient, and
medication records.
A) relational database
B) data warehouse
C) database management system
D) reporting tool
Answer: C – database management system
Rationale: Chronicles is Epic's hierarchical database management system that stores
production/live data. All Epic applications read from and write to Chronicles in real-
time.
Question 10
In the Epic Cogito architecture, what is the primary purpose of the Chronicles
database within clinical operations?
A) To store historical patient data for analytics
B) To serve as the real-time operational database supporting live clinical
documentation
C) To act as a data warehouse for benchmarking
D) To manage user security settings
Answer: B – To serve as the real-time operational database supporting live
clinical documentation
Rationale: Chronicles is a hierarchical, proprietary database optimized for