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 establis hed by FCC in 2015. CBRS vision - ANS - Used for fixed and mobile broadband services. advantages of CBRS - ANS - 1. Efficient 2. Time to market. 3. Cost 4. Feasibility SAS (Spectrum access system) - ANS - Is the centralized cloud service that manages C BRS transmission to protect higher priority users from interference. The three main entities for CBRS - ANS - 1. FCC 2. Winnforum 3. 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 Licen se) 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 b y 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 ba nd 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 th e 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