FLORIDA CERTIFICATION CPI COMPREHENSIVE EXAM 2025
QUESTIONS WITH SOLUTIONS RATED A+
✔✔How does the SAS make sure each device is transmitting without interference? -
✔✔Each CBSD has to contact the SAS in order to obtain permission to transmit. The
SAS uses the information that it gathers from all CBSD's to determine if transmitting will
cause any harmful interference to higher priority users, and grants permission to
transmit once it is sure that no harm will come.
✔✔DP - ✔✔Domain Proxy
✔✔What is a domain proxy? - ✔✔A domain proxy can be used between CBSDs and the
SAS in order to aggregate multiple CBSD messages or form a bridge between the SAS
and devices that normally would not be able to communicate with the SAS.
✔✔EUD - ✔✔End User Device
✔✔Is the SAS a single device? - ✔✔The SAS is a paid cloud service that is provided by
multiple different providers known as SAS Administrators
✔✔ESC - ✔✔Environmental Sensing Capability
✔✔How does the military take priority of bandwidth and notify the SAS? - ✔✔ESC
devices along the coastline notify the SAS when the military is using the spectrum and
the SAS adjusts transmitting information on other devices to account for the military
use.
✔✔What tier are ESC devices considered? - ✔✔ESCs are considered to be tier 1
devices along with the rest of the military transmitting devices.
✔✔TPA - ✔✔Training Program Administrator
✔✔What happens if someone reports that you (the CPI) have made an error in
reporting information to the SAS? - ✔✔Your TPA is obligated to launch an investigation
on the report and can revoke your certification if they feel it is necessary.
✔✔What should you do if you feel that your certification is at danger unjustly? - ✔✔You
can submit an appeal to WinnForum, who has the overall decision of whether your
appeal is just or not.
✔✔WinnForum - ✔✔The industry group in charge of setting standards and protocols for
using the CBRS band.
✔✔Who defines what happens in CBRS? - ✔✔the FCC, WinnForum and CBRS-A
, ✔✔CBRS-A - ✔✔CBRS Alliance. industry led group supporting LTE interests in CBRS
and leading the OnGo certification program.
✔✔Where are the general rules for CBRS defined? - ✔✔FCC Rules - Part 96
✔✔How does the SAS communicate with CBSDs? - ✔✔The CBSD sends a request to
the SAS and the SAS responds with a response code.
✔✔What is a registration request? - ✔✔This is the message sent from a CBSD to the
SAS in order to obtain registration in CBRS.
✔✔What is included in the registration request? - ✔✔Installation and transmitting
parameters for the CBSD.
✔✔what is included in the registration response? - ✔✔The response includes a CBSD
ID that is used to identify the CBSD at the SAS, and a registration code.
✔✔What are the types of parameters provided to the SAS by the CBSD? - ✔✔1.
Required
2. Optional
3. REG-Conditional
✔✔What is a spectrum inquiry request? - ✔✔A message that the CBSD sends to the
SAS after registration in order to find out what frequencies are available.
✔✔What is a grant Request? - ✔✔A request that the CBSD sends to the SAS asking for
permission to transmit at a specific frequency range and power level.
✔✔What is included in a grant response? - ✔✔The SAS includes permission to operate
within the specified parameters sent in the grant request, and includes an ID to identify
this specific grant request.
✔✔What is a heartbeat request? - ✔✔The CBSD heartbeat is sent after all other
registration steps to verify that all information is good to go and it can transmit.
✔✔How often are CBSDs required to heartbeat to the SAS? - ✔✔Every 4 minutes.
✔✔What is the full list of permission and registration steps for a CBSD? - ✔✔1. send
registration request
2. receive registration response
3. send spectrum inquiry request
4. receive spectrum inquiry response
5. send grant request
QUESTIONS WITH SOLUTIONS RATED A+
✔✔How does the SAS make sure each device is transmitting without interference? -
✔✔Each CBSD has to contact the SAS in order to obtain permission to transmit. The
SAS uses the information that it gathers from all CBSD's to determine if transmitting will
cause any harmful interference to higher priority users, and grants permission to
transmit once it is sure that no harm will come.
✔✔DP - ✔✔Domain Proxy
✔✔What is a domain proxy? - ✔✔A domain proxy can be used between CBSDs and the
SAS in order to aggregate multiple CBSD messages or form a bridge between the SAS
and devices that normally would not be able to communicate with the SAS.
✔✔EUD - ✔✔End User Device
✔✔Is the SAS a single device? - ✔✔The SAS is a paid cloud service that is provided by
multiple different providers known as SAS Administrators
✔✔ESC - ✔✔Environmental Sensing Capability
✔✔How does the military take priority of bandwidth and notify the SAS? - ✔✔ESC
devices along the coastline notify the SAS when the military is using the spectrum and
the SAS adjusts transmitting information on other devices to account for the military
use.
✔✔What tier are ESC devices considered? - ✔✔ESCs are considered to be tier 1
devices along with the rest of the military transmitting devices.
✔✔TPA - ✔✔Training Program Administrator
✔✔What happens if someone reports that you (the CPI) have made an error in
reporting information to the SAS? - ✔✔Your TPA is obligated to launch an investigation
on the report and can revoke your certification if they feel it is necessary.
✔✔What should you do if you feel that your certification is at danger unjustly? - ✔✔You
can submit an appeal to WinnForum, who has the overall decision of whether your
appeal is just or not.
✔✔WinnForum - ✔✔The industry group in charge of setting standards and protocols for
using the CBRS band.
✔✔Who defines what happens in CBRS? - ✔✔the FCC, WinnForum and CBRS-A
, ✔✔CBRS-A - ✔✔CBRS Alliance. industry led group supporting LTE interests in CBRS
and leading the OnGo certification program.
✔✔Where are the general rules for CBRS defined? - ✔✔FCC Rules - Part 96
✔✔How does the SAS communicate with CBSDs? - ✔✔The CBSD sends a request to
the SAS and the SAS responds with a response code.
✔✔What is a registration request? - ✔✔This is the message sent from a CBSD to the
SAS in order to obtain registration in CBRS.
✔✔What is included in the registration request? - ✔✔Installation and transmitting
parameters for the CBSD.
✔✔what is included in the registration response? - ✔✔The response includes a CBSD
ID that is used to identify the CBSD at the SAS, and a registration code.
✔✔What are the types of parameters provided to the SAS by the CBSD? - ✔✔1.
Required
2. Optional
3. REG-Conditional
✔✔What is a spectrum inquiry request? - ✔✔A message that the CBSD sends to the
SAS after registration in order to find out what frequencies are available.
✔✔What is a grant Request? - ✔✔A request that the CBSD sends to the SAS asking for
permission to transmit at a specific frequency range and power level.
✔✔What is included in a grant response? - ✔✔The SAS includes permission to operate
within the specified parameters sent in the grant request, and includes an ID to identify
this specific grant request.
✔✔What is a heartbeat request? - ✔✔The CBSD heartbeat is sent after all other
registration steps to verify that all information is good to go and it can transmit.
✔✔How often are CBSDs required to heartbeat to the SAS? - ✔✔Every 4 minutes.
✔✔What is the full list of permission and registration steps for a CBSD? - ✔✔1. send
registration request
2. receive registration response
3. send spectrum inquiry request
4. receive spectrum inquiry response
5. send grant request
