12/16/25, 7:30 AM NENA ENP 2025 Exam fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Flashcards | Qui…
NENA ENP 2025 Exam fully solved & updated
2025-2026(latest version verified for accuracy) |
2024\2025Latest!!
Save
Terms in this set (340)
Public Safety Land Mobile The Federal Communications Commission (FCC)
radio (LMR) is licenced by
who?
In a radio system, voice is Electrical Energy (Waves)
converted into what?
A small section of the spectrum of radio
Band
communications frequencies
What is a radio channel? Pairs of Frequencies
Who assigns radio The FCC
channels?
VHF 30-300 MHz
UHF 300-3000MHz
VHF Low Band 39-72MHz
travels greater distances than high frequencies. There
VHF Low Band
may be interference or atmospheric skip
VHF High Band 150-170 MHz
Often used by rural agencies, provide better
VHF High Band
coverage in uneven terrane like wooded areas.
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,12/16/25, 7:30 AM NENA ENP 2025 Exam fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Flashcards | Qui…
Ultra high Frequency 400 MHz, 500 MHZ, 800MHz, and 900 MHz
(UHF)
Ultra High Frequency These radio signals do not travel as far, but penetrate
(UHF) structures better than lower frequencies.
Trunked Radio A method used to conserve precious radio spectrum.
Users share the same radio frequencies . Talk groups
Trunked Radio
are assigned.
Channel use is dedicated, like getting in like at the
Conventional Radio
bank.
Multiple transmitter sites all transmitting on the same
Simulcast
frequency at the same time
The linking and control of radio system sites over a
Radio Over IP (ROIP)
data network
Entity established to build out a National Public Safety
FirstNet
Broadband Network
Multiple repeater sites; each transmits using different
Multicast
frequency pairs at each site
Ability of all radio users to communicate regardless of
Interoperability
band
Wireless communications station installed at a fixed
Base Station
location
Base station using separate transmit and receive
Repeater frequencies to "repeat" incoming audio from one user
to all users
Initiated by APCO to create a national standard for
digital radio to enable interoperability between public
P25
safety agencies using the same frequencies but not
necessarily the same digital vendor.
Created by congress as a part of the middle class tax
FirstNet relief ac of 2012 to construct a Nationwide Public
Safety Broadband network (NPSBN)
https://quizlet.com/1123444399/nena-enp-2025-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-flash-cards/… 2/32
,12/16/25, 7:30 AM NENA ENP 2025 Exam fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Flashcards | Qui…
Network will provide mission-critical broadband
FirstNet
communications for first responders on 700 MHz LTE
Copper 2 wire or 4 wire circuit carrying an electrical signal
Fiber Optic A strand of glass carrying an optical signal
The process by which 911 calls/messages are routed
Selective Routing to the appropriate PSAP based on the caller's
location information
The capacity to route a 911 call to a designated PSAP
Default Routing when the incoming 911 call cannot be selectively
routed due to an ANI failure or other cause.
The capability of touring 911 calls to a designated
Alternate Routing alternate location if all 911 trunks to a primary PSAP
are busy or out of service.
Inter-Selective Router calling is often used to transfer
Tandem to Tandem calls between PSAPS that are served by separate
selective routers
When a single PSAP is served by two or more
Dual Tandems
separate selective routers
Number Plan Area (NPA) is indicated by the first three
Area Code
digits of a 10-digit phone number
A solution to provide additional phone numbers by
Area Code Split splitting an area code into two geographically
different area codes
A solution to provide additional phone numbers by
offering a new area code in the same geographic
Area Code Overlay
area. This creates the possibility that two phones in the
same room could have two different area codes.
The FCC administered "service codes" that provide
N-1-1 Codes dedicated functions. Does not override preexisting
state or local use
https://quizlet.com/1123444399/nena-enp-2025-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-flash-cards/… 3/32
, 12/16/25, 7:30 AM NENA ENP 2025 Exam fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Flashcards | Qui…
Centralized Automatic originally designed for automatic toll-call billing
Message Accounting systems. This is the basis for ANI in 911 systems
(CAMA)
puts telephone instrument features on a computer, so
Computer Telephony user can dial and control telephone system from a
Integration (CTI) computer screen instead of a traditional telephone
set
a full featured telephone switch interconnecting many
Private Branch Exchange
telephones (extensions) in a large enterprise or
(PBX)
campus
Typically located in the back room or equipment
room at the asap site. Terminates the 911 trunks and
decodes ANI information, queries the ALI database
ANI/ALI Controller
using the ANI and options ALI response. Delivers
ANI/ALI information to the operator equipment at the
position that actually answers the call
Decodes the CAMA MF signaling arriving on the 911
ANI Controller
trunk. It is the interface to the 911 trunk
ALI Controller uses ANI to query the ALI database server.
provides the 911 ALI system with information provided
Private Switch ALI (PS/ALI) by the PBX operator concerning the location of PBX
private line telephones
an interruption or break in the communication links
Full or Partial loss of causes the full or partial loss of service to a PSAP as a
service to a PSAP result of failure in the communications equipment or
the cutting of a telecommunications cable
Results when the facility housing the PSAP is
destroyed or so severely damaged that the operation
Loss of a PSAP Facility of the PSAP is not possible. This can also result from
the threat of such action or from an event that
requires evacuation of personnel from the building
https://quizlet.com/1123444399/nena-enp-2025-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-flash-cards/… 4/32
NENA ENP 2025 Exam fully solved & updated
2025-2026(latest version verified for accuracy) |
2024\2025Latest!!
Save
Terms in this set (340)
Public Safety Land Mobile The Federal Communications Commission (FCC)
radio (LMR) is licenced by
who?
In a radio system, voice is Electrical Energy (Waves)
converted into what?
A small section of the spectrum of radio
Band
communications frequencies
What is a radio channel? Pairs of Frequencies
Who assigns radio The FCC
channels?
VHF 30-300 MHz
UHF 300-3000MHz
VHF Low Band 39-72MHz
travels greater distances than high frequencies. There
VHF Low Band
may be interference or atmospheric skip
VHF High Band 150-170 MHz
Often used by rural agencies, provide better
VHF High Band
coverage in uneven terrane like wooded areas.
https://quizlet.com/1123444399/nena-enp-2025-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-flash-cards/… 1/32
,12/16/25, 7:30 AM NENA ENP 2025 Exam fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Flashcards | Qui…
Ultra high Frequency 400 MHz, 500 MHZ, 800MHz, and 900 MHz
(UHF)
Ultra High Frequency These radio signals do not travel as far, but penetrate
(UHF) structures better than lower frequencies.
Trunked Radio A method used to conserve precious radio spectrum.
Users share the same radio frequencies . Talk groups
Trunked Radio
are assigned.
Channel use is dedicated, like getting in like at the
Conventional Radio
bank.
Multiple transmitter sites all transmitting on the same
Simulcast
frequency at the same time
The linking and control of radio system sites over a
Radio Over IP (ROIP)
data network
Entity established to build out a National Public Safety
FirstNet
Broadband Network
Multiple repeater sites; each transmits using different
Multicast
frequency pairs at each site
Ability of all radio users to communicate regardless of
Interoperability
band
Wireless communications station installed at a fixed
Base Station
location
Base station using separate transmit and receive
Repeater frequencies to "repeat" incoming audio from one user
to all users
Initiated by APCO to create a national standard for
digital radio to enable interoperability between public
P25
safety agencies using the same frequencies but not
necessarily the same digital vendor.
Created by congress as a part of the middle class tax
FirstNet relief ac of 2012 to construct a Nationwide Public
Safety Broadband network (NPSBN)
https://quizlet.com/1123444399/nena-enp-2025-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-flash-cards/… 2/32
,12/16/25, 7:30 AM NENA ENP 2025 Exam fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Flashcards | Qui…
Network will provide mission-critical broadband
FirstNet
communications for first responders on 700 MHz LTE
Copper 2 wire or 4 wire circuit carrying an electrical signal
Fiber Optic A strand of glass carrying an optical signal
The process by which 911 calls/messages are routed
Selective Routing to the appropriate PSAP based on the caller's
location information
The capacity to route a 911 call to a designated PSAP
Default Routing when the incoming 911 call cannot be selectively
routed due to an ANI failure or other cause.
The capability of touring 911 calls to a designated
Alternate Routing alternate location if all 911 trunks to a primary PSAP
are busy or out of service.
Inter-Selective Router calling is often used to transfer
Tandem to Tandem calls between PSAPS that are served by separate
selective routers
When a single PSAP is served by two or more
Dual Tandems
separate selective routers
Number Plan Area (NPA) is indicated by the first three
Area Code
digits of a 10-digit phone number
A solution to provide additional phone numbers by
Area Code Split splitting an area code into two geographically
different area codes
A solution to provide additional phone numbers by
offering a new area code in the same geographic
Area Code Overlay
area. This creates the possibility that two phones in the
same room could have two different area codes.
The FCC administered "service codes" that provide
N-1-1 Codes dedicated functions. Does not override preexisting
state or local use
https://quizlet.com/1123444399/nena-enp-2025-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-flash-cards/… 3/32
, 12/16/25, 7:30 AM NENA ENP 2025 Exam fully solved & updated 2025-2026(latest version verified for accuracy) | 2024\2025Latest!! Flashcards | Qui…
Centralized Automatic originally designed for automatic toll-call billing
Message Accounting systems. This is the basis for ANI in 911 systems
(CAMA)
puts telephone instrument features on a computer, so
Computer Telephony user can dial and control telephone system from a
Integration (CTI) computer screen instead of a traditional telephone
set
a full featured telephone switch interconnecting many
Private Branch Exchange
telephones (extensions) in a large enterprise or
(PBX)
campus
Typically located in the back room or equipment
room at the asap site. Terminates the 911 trunks and
decodes ANI information, queries the ALI database
ANI/ALI Controller
using the ANI and options ALI response. Delivers
ANI/ALI information to the operator equipment at the
position that actually answers the call
Decodes the CAMA MF signaling arriving on the 911
ANI Controller
trunk. It is the interface to the 911 trunk
ALI Controller uses ANI to query the ALI database server.
provides the 911 ALI system with information provided
Private Switch ALI (PS/ALI) by the PBX operator concerning the location of PBX
private line telephones
an interruption or break in the communication links
Full or Partial loss of causes the full or partial loss of service to a PSAP as a
service to a PSAP result of failure in the communications equipment or
the cutting of a telecommunications cable
Results when the facility housing the PSAP is
destroyed or so severely damaged that the operation
Loss of a PSAP Facility of the PSAP is not possible. This can also result from
the threat of such action or from an event that
requires evacuation of personnel from the building
https://quizlet.com/1123444399/nena-enp-2025-exam-fully-solved-updated-2025-2026latest-version-verified-for-accuracy-20242025latest-flash-cards/… 4/32
