Which of the following accurately describe Wireless Emergency Alerts (WEAs)?

Affected by cell site network congestion; Sent to all phones in the geo-targeted area; Subscription based; Do not track individuals by phone number.
Not affected by cell site network congestion; Sent to all phones in the geo-targeted area; Subscription based; Do not track individuals by phone number.
Not affected by cell site network congestion; Sent to all phones in the geo-targeted area; Are not subscription based; Track individuals by phone number.
Not affected by cell site network congestion; Sent to all phones in the geo-targeted area; Are not subscription based; Do not track individuals by phone number.

IS-700.B: An Introduction to the National Incident Management System

Here are the IS-700.B: An Introduction to the National Incident Management System

Here are the FEMA IS-277.A: Benefit-Cost Analysis (BCA): Entry- Level Answers