EAS EAS Wireless Emergency Alerts (WEA)

Question 1

What technology do Wireless Emergency Alerts (WEA) use to broadcast messages to mobile phones?

Accepted Answer

Cell Broadcast Technology (CBT)

Answer

SMS text messaging via carrier networks

Answer

Traditional AM radio simulcast

Answer

Internet Protocol (IP) streaming

Question 2

Which federal agencies share joint authority over the Wireless Emergency Alert (WEA) system?

Accepted Answer

FCC and FEMA

Answer

FEMA and the Department of Homeland Security

Answer

FCC and the National Weather Service

Answer

FCC and the Department of Defense

Question 3

What is the maximum character limit for a WEA message on 4G LTE and later networks under current FCC rules?

Accepted Answer

360 characters

Answer

90 characters

Answer

160 characters

Answer

280 characters

Question 4

Which of the following lists all four official WEA alert categories?

Accepted Answer

Presidential, Imminent Threat, AMBER, and Public Safety Message alerts

Answer

Presidential, Extreme Weather, AMBER, and National Security alerts

Answer

Federal Emergency, State Emergency, AMBER, and Public Safety Message alerts

Answer

Presidential, Imminent Threat, AMBER, and NOAA Weather alerts

Question 5

What distinguishes a WEA message from a regular SMS text message on a compatible mobile device?

Accepted Answer

WEA messages produce a unique attention signal and distinct vibration pattern

Answer

WEA messages are delivered only to registered subscribers

Answer

WEA messages require Wi-Fi connectivity to be received

Answer

WEA messages are encrypted with end-to-end encryption

Question 6

Which geographic targeting method does the WEA system use to deliver alerts to the correct recipients?

Accepted Answer

Cell broadcast targeting activating towers within or near the affected area

Answer

ZIP code-based targeting via carrier databases

Answer

County-level targeting only with no finer precision

Answer

State-wide blanket broadcasts for all alerts

Question 7

Regarding WEA opt-out policies, which alert type can users NOT opt out of receiving?

Accepted Answer

Presidential Alerts

Answer

AMBER Alerts

Answer

Imminent Threat Alerts

Answer

Public Safety Message Alerts