CWNA Regulatory Frameworks & Compliance 4

Question 1

What is the minimum channel availability check (CAC) time required before a Wi-Fi device can transmit on a DFS channel?

Accepted Answer

60 seconds

Answer

FCC rules require a 60-second Channel Availability Check before an 802.11 device begins transmitting on a DFS channel.

Question 2

An enterprise is importing Wi-Fi access points from a foreign manufacturer. Which mark must US-bound units carry before sale?

Accepted Answer

FCC ID label

Answer

Radio devices sold in the US must display an FCC ID, issued after the device has been authorized through the equipment authorization process.

Question 3

Under FCC Part 15.407, low-power indoor (LPI) devices in the 6 GHz band are restricted to what maximum EIRP?

Accepted Answer

30 dBm (1 W)

Answer

FCC Part 15.407 permits LPI 6 GHz devices up to 30 dBm EIRP when operating indoors without automated frequency coordination.

Question 4

What is the purpose of Automated Frequency Coordination (AFC) for standard power devices in the 6 GHz band?

Accepted Answer

Ensure standard power devices do not interfere with fixed microwave and satellite incumbents

Answer

AFC systems query a geospatial database to determine which 6 GHz channels and power levels are safe for standard power outdoor devices near licensed incumbents.

Question 5

Which regulatory document defines how Wi-Fi equipment must be tested to verify compliance with FCC limits?

Accepted Answer

KDB (Knowledge Database) publication procedures

Answer

The FCC's Knowledge Database (KDB) provides detailed test procedures and Q&A guidance that equipment must follow to receive FCC authorization.

CWNA - Wireless Network Administrator Practice Test

CWNA - Wireless Network Administrator Practice Test

CWNA Regulatory Frameworks & Compliance 4