CBRS CPI CERTIFICATION EXAM - 300 MULTIPLE
CHOICE QUESTIONS AND CORRECT ANSWERS WITH
RATIONALES
Question 1
What is the frequency range of the CBRS band?
A) 3100 MHz - 3250 MHz
B) 3550 MHz - 3700 MHz
C) 2400 MHz - 2483.5 MHz
D) 5150 MHz - 5350 MHz
Correct Answer: B
Rationale: The CBRS (Citizens Broadband Radio Service) band operates in the 3550
MHz to 3700 MHz frequency range. This 150 MHz of spectrum was designated by
the FCC for shared use among multiple tiers of users .
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Question 2
When was CBRS created and by whom?
,A) 2010 by the Department of Defense
B) 2015 by the FCC
C) 2018 by the WInnForum
D) 2005 by the NTIA
Correct Answer: B
Rationale: The FCC established the CBRS framework in 2015, creating a three-
tiered sharing model for the 3550-3700 MHz band .
---
Question 3
What is the CBRS vision?
A) 50 MHz of new wireless bandwidth for military use
B) 150 MHz of new wireless bandwidth for fixed or mobile broadband access
C) 200 MHz of spectrum exclusively for cable operators
D) 100 MHz of spectrum for satellite communications
Correct Answer: B
,Rationale: The CBRS vision is to provide 150 MHz of new wireless bandwidth that
can be used for fixed or mobile broadband access, opening up previously
restricted spectrum for commercial use .
---
Question 4
What does SAS stand for in the CBRS ecosystem?
A) Signal Authentication System
B) Spectrum Access System
C) Service Authorization Server
D) Spectral Analysis Software
Correct Answer: B
Rationale: SAS stands for Spectrum Access System. It is the centralized cloud-
based service that manages CBRS transmissions and protects higher priority users
from interference .
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Question 5
What does CPI stand for?
, A) Certified Professional Installer
B) Central Processing Interface
C) Commercial Priority Index
D) Communications Protocol Identifier
Correct Answer: A
Rationale: CPI stands for Certified Professional Installer. This is the individual
certified to install and configure CBRS devices, ensuring compliance with FCC
regulations .
---
Question 6
What are the three tiers of users in the CBRS band?
A) Federal, State, and Local
B) Incumbents, PAL, and GAA
C) Commercial, Residential, and Educational
D) Primary, Secondary, and Tertiary
Correct Answer: B
CHOICE QUESTIONS AND CORRECT ANSWERS WITH
RATIONALES
Question 1
What is the frequency range of the CBRS band?
A) 3100 MHz - 3250 MHz
B) 3550 MHz - 3700 MHz
C) 2400 MHz - 2483.5 MHz
D) 5150 MHz - 5350 MHz
Correct Answer: B
Rationale: The CBRS (Citizens Broadband Radio Service) band operates in the 3550
MHz to 3700 MHz frequency range. This 150 MHz of spectrum was designated by
the FCC for shared use among multiple tiers of users .
---
Question 2
When was CBRS created and by whom?
,A) 2010 by the Department of Defense
B) 2015 by the FCC
C) 2018 by the WInnForum
D) 2005 by the NTIA
Correct Answer: B
Rationale: The FCC established the CBRS framework in 2015, creating a three-
tiered sharing model for the 3550-3700 MHz band .
---
Question 3
What is the CBRS vision?
A) 50 MHz of new wireless bandwidth for military use
B) 150 MHz of new wireless bandwidth for fixed or mobile broadband access
C) 200 MHz of spectrum exclusively for cable operators
D) 100 MHz of spectrum for satellite communications
Correct Answer: B
,Rationale: The CBRS vision is to provide 150 MHz of new wireless bandwidth that
can be used for fixed or mobile broadband access, opening up previously
restricted spectrum for commercial use .
---
Question 4
What does SAS stand for in the CBRS ecosystem?
A) Signal Authentication System
B) Spectrum Access System
C) Service Authorization Server
D) Spectral Analysis Software
Correct Answer: B
Rationale: SAS stands for Spectrum Access System. It is the centralized cloud-
based service that manages CBRS transmissions and protects higher priority users
from interference .
---
Question 5
What does CPI stand for?
, A) Certified Professional Installer
B) Central Processing Interface
C) Commercial Priority Index
D) Communications Protocol Identifier
Correct Answer: A
Rationale: CPI stands for Certified Professional Installer. This is the individual
certified to install and configure CBRS devices, ensuring compliance with FCC
regulations .
---
Question 6
What are the three tiers of users in the CBRS band?
A) Federal, State, and Local
B) Incumbents, PAL, and GAA
C) Commercial, Residential, and Educational
D) Primary, Secondary, and Tertiary
Correct Answer: B
