LATEST TED300 TRAINING ENVIRONMENT BUILD
2026/2027 EXAM QUESTIONS AND CORRECT ANSWERS
WITH RATIONALES
Core Domains
Training Environment Structure (MST, REF, PREP, ACE, PLY, EXAM)
Master File and Chronicles Concepts
User and Provider Records
Facility Structure and Rule of Specificity
Mitosis and Patient Duplication
Data Courier and Static vs. Dynamic Data
Scotty Teleporting and Mapping
Introduction
This comprehensive examination assesses the Epic Training
Environment Build candidate's competency in managing training
environments, patient duplication, facility structure, and environment
refresh processes. The test evaluates knowledge of the training
environment stack (MST, REF, PREP, ACE, PLY, EXAM), master files,
user and provider records, and data migration tools. Questions
emphasize application-level decision-making and environment
administration. Candidates must demonstrate critical thinking regarding
Data Courier limitations, Mitosis workflows, and Scotty mapping
resolution. This disclaimer-labeled practice set is based on unofficial
study concepts and is not actual Epic TED300 exam content.
Section One: Questions 1–150
Question 1
What does the abbreviation MST stand for in the Epic training
environment?
,A. Master System Training
B. Master Train
C. Model State Training
D. Main Training System
B. Master Train
RATIONALE: MST stands for Master Train. It is where all training-
specific build is done, including master patients, training users, and
additional rooms. MST is never refreshed and is rebuilt from scratch as
needed .
Question 2
Which training environment serves as a backup of MST in case of
problems or during rebuilds?
A. PREP
B. REF
C. ACE
D. PLY
B. REF
RATIONALE: REF (Refresh) serves as a backup of MST in cases of
emergency and during rebuilds. It is refreshed daily during build/rebuild
and weekly following go-live .
Question 3
Which environment is where Mitosis patient duplication occurs for
all patients in the Mitosis Load?
A. MST
B. REF
,C. PREP
D. PLY
C. PREP
RATIONALE: PREP is where Mitosis patient duplication occurs for
all patients in the Mitosis Load. It is refreshed daily .
Question 4
Which environment is used for trainees to take End User
Proficiency Assessments (EUPAs)?
A. MST
B. PREP
C. EXAM
D. ACE
C. EXAM
RATIONALE: EXAM is where trainees take EUPAs. It is refreshed
daily .
Question 5
What does ACE stand for in the training environment structure?
A. Advanced Clinical Environment
B. Actual Classroom Environment
C. Accredited Certification Environment
D. Application Configuration Environment
B. Actual Classroom Environment
, RATIONALE: ACE stands for Actual Classroom Environment,
where end-user training takes place. Organizations typically have
multiple ACEs (ACE 1, 2, 3, 4). It is refreshed daily .
Question 6
Which environment is used for end-user after-class practice?
A. EXAM
B. PLY
C. PREP
D. REF
B. PLY
RATIONALE: PLY (Playground) is used for end-user after-class
practice. It is refreshed daily .
Question 7
Which environment is never refreshed and is rebuilt from scratch as
needed?
A. REF
B. PREP
C. MST
D. ACE
C. MST
RATIONALE: MST is never refreshed. It is rebuilt from scratch as
needed and kept up to date by using Data Courier from TST or manual
build where Data Courier is not available .
Question 8
2026/2027 EXAM QUESTIONS AND CORRECT ANSWERS
WITH RATIONALES
Core Domains
Training Environment Structure (MST, REF, PREP, ACE, PLY, EXAM)
Master File and Chronicles Concepts
User and Provider Records
Facility Structure and Rule of Specificity
Mitosis and Patient Duplication
Data Courier and Static vs. Dynamic Data
Scotty Teleporting and Mapping
Introduction
This comprehensive examination assesses the Epic Training
Environment Build candidate's competency in managing training
environments, patient duplication, facility structure, and environment
refresh processes. The test evaluates knowledge of the training
environment stack (MST, REF, PREP, ACE, PLY, EXAM), master files,
user and provider records, and data migration tools. Questions
emphasize application-level decision-making and environment
administration. Candidates must demonstrate critical thinking regarding
Data Courier limitations, Mitosis workflows, and Scotty mapping
resolution. This disclaimer-labeled practice set is based on unofficial
study concepts and is not actual Epic TED300 exam content.
Section One: Questions 1–150
Question 1
What does the abbreviation MST stand for in the Epic training
environment?
,A. Master System Training
B. Master Train
C. Model State Training
D. Main Training System
B. Master Train
RATIONALE: MST stands for Master Train. It is where all training-
specific build is done, including master patients, training users, and
additional rooms. MST is never refreshed and is rebuilt from scratch as
needed .
Question 2
Which training environment serves as a backup of MST in case of
problems or during rebuilds?
A. PREP
B. REF
C. ACE
D. PLY
B. REF
RATIONALE: REF (Refresh) serves as a backup of MST in cases of
emergency and during rebuilds. It is refreshed daily during build/rebuild
and weekly following go-live .
Question 3
Which environment is where Mitosis patient duplication occurs for
all patients in the Mitosis Load?
A. MST
B. REF
,C. PREP
D. PLY
C. PREP
RATIONALE: PREP is where Mitosis patient duplication occurs for
all patients in the Mitosis Load. It is refreshed daily .
Question 4
Which environment is used for trainees to take End User
Proficiency Assessments (EUPAs)?
A. MST
B. PREP
C. EXAM
D. ACE
C. EXAM
RATIONALE: EXAM is where trainees take EUPAs. It is refreshed
daily .
Question 5
What does ACE stand for in the training environment structure?
A. Advanced Clinical Environment
B. Actual Classroom Environment
C. Accredited Certification Environment
D. Application Configuration Environment
B. Actual Classroom Environment
, RATIONALE: ACE stands for Actual Classroom Environment,
where end-user training takes place. Organizations typically have
multiple ACEs (ACE 1, 2, 3, 4). It is refreshed daily .
Question 6
Which environment is used for end-user after-class practice?
A. EXAM
B. PLY
C. PREP
D. REF
B. PLY
RATIONALE: PLY (Playground) is used for end-user after-class
practice. It is refreshed daily .
Question 7
Which environment is never refreshed and is rebuilt from scratch as
needed?
A. REF
B. PREP
C. MST
D. ACE
C. MST
RATIONALE: MST is never refreshed. It is rebuilt from scratch as
needed and kept up to date by using Data Courier from TST or manual
build where Data Courier is not available .
Question 8
