CBRS Exam Questions & Answers | 40 Questions with 100% Correct Answers | Updated & Verified
CBRS Exam Questions & Answers
A CPI needs to record the and with in 50 meters or better. – ANS – latitude and
longitude
CBRS – ANS – Citizens broadband radio service and shared spectrum.
CBRS band – ANS – 3550 – 3700 MHz frequency range and established by FCC in 2015.
CBRS vision – ANS – Used for fixed and mobile broadband services.
advantages of CBRS – ANS – 1. Efficient
- Time to market.
- Cost
- Feasibility
SAS (Spectrum access system) – ANS – Is the centralized cloud service that manages CBRS
transmission to protect higher priority users from interference.
The three main entities for CBRS – ANS – 1. FCC - Winnforum
- CBRS Alliance
CPI (certified professional installer) – ANS – Ensures data entered into the SAS is correct and has
the right data. The SAS needs this information to protect higher end users.
CBRS Three tiers – ANS – Tier 1. Incumbent
Tier 2. PAL ( Priority Access License)
Tier 3. GAA (General Authorized Access)
Tier 1 Incumbents – ANS – Services using the band before CBRS was around.
Tier 2 PAL – ANS – CBRS user that pay for a license at auction to receive interference
protection.
Tier 3 GAA – ANS – Is free to use by any opportunistic users.
What does the SAS do? – ANS – The SAS gathers information from data bases maintained by the
FCC to ensure lower priority user are not interfering with higher priority users.
CBSD – ANS – Are devices that transmit in the CBRS band to end users.
CBSD need what before that can transmit in the CBRS band? – ANS – CBSD need authorization
from the SAS before transmitting to ensure there is no interference to higher priority users.
Some CBSD communicate through a to access the SAS. – ANS – Domain Proxy
EUD – ANS – End User Device.
The SAS can or __ access. – ANS – Allow or disallow
When the SAS detects an incumbents user all lower end user must get out of the way within
. – ANS – 5 minutes
ESC – ANS – Environmental sensing capability
ESC detect when a incumbent user is broadcasting in the CBRS band and communicates with the
to alert all lower end tiers. – ANS – SAS
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