Florida NENA Emergency Number Professional (ENP) Practice Test

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Which statement about the Geographic Information System (GIS) Database is true?

It handles presence information in SIP headers.

It provides the border firewall.

The core database for call routing and delivery in the NENA i3 solution.

In the NENA i3 framework, the GIS Database holds the geospatial data that drives how calls are routed and delivered. It contains PSAP service areas, jurisdiction boundaries, road networks, coordinates, and other location-based features that the routing engine uses to determine the correct PSAP for a caller and to manage the delivery of the call and related data. This geospatial foundation is essential because routing decisions depend on accurate geographic relationships, making the GIS Database the central repository for call routing and delivery in i3.

The other ideas don’t fit because presence information in SIP headers relates to signaling, a border firewall is a network security device, and translating a location to a service URL is handled by a separate LoST service, which uses but is not the GIS database.

It translates location to a service URL.