ENP Practice Test Exam Questions with
accurate answers @2026
Traditional telephone topology consists of what four components?
A. Central office, tandem or access tandem, radio tower, end office
B. Tandem or access tandem, facility or facilities, central office, PSAP
C. End office, tandem or access tandem, facility or facilities, or CO's
D. PSAP, end office, tandem or access tandem, radio tower. - ANSWERS💫✔️-End office, tandem or
access tandem, facility or facilities, or CO's
Selective routing is the process by which 911 calls are delivered to a specific PSAP based upon:
A. Street address of the caller
B. ESN of the caller
C. Area code of the caller
D. Municipality of the caller - ANSWERS💫✔️-ESN of the caller
The Loss of a Selective Router will cause the following issue/issues to a PSAP
A. Loss of communication between the PSAP and the 911 network
B. Loss of ANI & Call Routing services
C. Failure of a Tandem Switch
D. Loss of Dial Tone - ANSWERS💫✔️-Loss of Ani & Call Routing Services
This protocol is used as the call signaling protocol in VoIP i2 and i3
A. Session initiation protocol
B. Signaling connection control part
C. Simple network management protocol
D. Simple object access protocol - ANSWERS💫✔️-Session initiation protocol
,The feature that separates basic 911 from enhanced 911 is:
A. Selective Routing
B. Ani
C. Ali
D. Ani/Ali - ANSWERS💫✔️-Selective Routing
If a call center receives more calls than its resources can handle at any given time, the overflow of calls
routed to another agency is called :
A. Contingency Routing
B. Alternate Routing
C. Default Routing
D. Agency to agency transfer - ANSWERS💫✔️-Alternate Routing
Camas original purpose was:
A. To deliver 9-1-1 calls to the PSAP
B. To bill for toll calls
C. To connect end offices
D. To provide ten-digit ANI - ANSWERS💫✔️-To bill for toll calls
A ______________ system transmits the message over more than one transmitter .
A. Simplex
B. Simulcast
C. Local loop
D. Dedicated - ANSWERS💫✔️-Simulcast
An IP network or IP virtual Network that is used for communications between PSAPs and among other
entities that support or are supported by PSAPs in providing emergency call handling and response is
called :
A. ESInet
,B. Legacy PSAP gateway
C. Emergency call Routing function
D. Emergency services Routing proxy - ANSWERS💫✔️-ESInet
On a phase 1 call how many digits are delivered to the PSAP through the selective router
A. 20 digits
B. 14 digits
C. 10 digits
D. 7 digits - ANSWERS💫✔️-20 digits
With radio communications, mobile radios are known to have:
A. Good reception in a building
B. A greater range than a portable radio
C. A require,rent for a repeater system
D. Interoperability between proprietary systems - ANSWERS💫✔️-A greater range than a portable radio
With a trucked radio system, the users:
A. Select the frequency to talk
B. Select the talk group to talk
C. Select the site to talk
D. Operate in the 800Mhz or 700Mhz band - ANSWERS💫✔️-Select the talk group to talk
With digital signals vs analog signals, the analog signal provides audio which:
A. It gives an audio indication when going out of range
B. Will not work on digital radios
C.it is clearer over the same area
D. It is clearer over a greater area - ANSWERS💫✔️-It gives an audio indication when going out of range
, Wireless Phase II information provides;
A. Callers number and address
B. Callers number and location
C. Callers number, location, and probability of accuracy
D. Callers number , tower address, and sector - ANSWERS💫✔️-Callers number, location, and probability
of accuracy
Radio repeater systems:
A. Require only one frequency
B. Extend the range of a portable,mobile, or control station
C. Allow field units to receive and transmit at the same time
D. Can use the same FCC license as a base station - ANSWERS💫✔️-Extend the range of a portable,
mobile, or control station
The four phases of the emergency management cycle, in order, are:
A. Preparedness, disaster, response and recovery
B. Mitigation,preparedness, response, and recovery
C. Mitigation, operations, response, and recovery
D. Preparedness, mitigation, response, and recovery. - ANSWERS💫✔️-Mitigation preparedness
response and recovery
When using the repeater talk-around frequency
A. all transmissions occur on the repeater outbound frequency
B. All transmissions occur on the inbound repeater frequency
C. All transmissions occur on a third frequency
D. All transmissions can be heard by any user within range of the repeater - ANSWERS💫✔️-All
transmissions occur on the repeater outbound frequency
Selectively Routing a call to the proper PSAP is defined as
A. Being controlled by the emergency service node
accurate answers @2026
Traditional telephone topology consists of what four components?
A. Central office, tandem or access tandem, radio tower, end office
B. Tandem or access tandem, facility or facilities, central office, PSAP
C. End office, tandem or access tandem, facility or facilities, or CO's
D. PSAP, end office, tandem or access tandem, radio tower. - ANSWERS💫✔️-End office, tandem or
access tandem, facility or facilities, or CO's
Selective routing is the process by which 911 calls are delivered to a specific PSAP based upon:
A. Street address of the caller
B. ESN of the caller
C. Area code of the caller
D. Municipality of the caller - ANSWERS💫✔️-ESN of the caller
The Loss of a Selective Router will cause the following issue/issues to a PSAP
A. Loss of communication between the PSAP and the 911 network
B. Loss of ANI & Call Routing services
C. Failure of a Tandem Switch
D. Loss of Dial Tone - ANSWERS💫✔️-Loss of Ani & Call Routing Services
This protocol is used as the call signaling protocol in VoIP i2 and i3
A. Session initiation protocol
B. Signaling connection control part
C. Simple network management protocol
D. Simple object access protocol - ANSWERS💫✔️-Session initiation protocol
,The feature that separates basic 911 from enhanced 911 is:
A. Selective Routing
B. Ani
C. Ali
D. Ani/Ali - ANSWERS💫✔️-Selective Routing
If a call center receives more calls than its resources can handle at any given time, the overflow of calls
routed to another agency is called :
A. Contingency Routing
B. Alternate Routing
C. Default Routing
D. Agency to agency transfer - ANSWERS💫✔️-Alternate Routing
Camas original purpose was:
A. To deliver 9-1-1 calls to the PSAP
B. To bill for toll calls
C. To connect end offices
D. To provide ten-digit ANI - ANSWERS💫✔️-To bill for toll calls
A ______________ system transmits the message over more than one transmitter .
A. Simplex
B. Simulcast
C. Local loop
D. Dedicated - ANSWERS💫✔️-Simulcast
An IP network or IP virtual Network that is used for communications between PSAPs and among other
entities that support or are supported by PSAPs in providing emergency call handling and response is
called :
A. ESInet
,B. Legacy PSAP gateway
C. Emergency call Routing function
D. Emergency services Routing proxy - ANSWERS💫✔️-ESInet
On a phase 1 call how many digits are delivered to the PSAP through the selective router
A. 20 digits
B. 14 digits
C. 10 digits
D. 7 digits - ANSWERS💫✔️-20 digits
With radio communications, mobile radios are known to have:
A. Good reception in a building
B. A greater range than a portable radio
C. A require,rent for a repeater system
D. Interoperability between proprietary systems - ANSWERS💫✔️-A greater range than a portable radio
With a trucked radio system, the users:
A. Select the frequency to talk
B. Select the talk group to talk
C. Select the site to talk
D. Operate in the 800Mhz or 700Mhz band - ANSWERS💫✔️-Select the talk group to talk
With digital signals vs analog signals, the analog signal provides audio which:
A. It gives an audio indication when going out of range
B. Will not work on digital radios
C.it is clearer over the same area
D. It is clearer over a greater area - ANSWERS💫✔️-It gives an audio indication when going out of range
, Wireless Phase II information provides;
A. Callers number and address
B. Callers number and location
C. Callers number, location, and probability of accuracy
D. Callers number , tower address, and sector - ANSWERS💫✔️-Callers number, location, and probability
of accuracy
Radio repeater systems:
A. Require only one frequency
B. Extend the range of a portable,mobile, or control station
C. Allow field units to receive and transmit at the same time
D. Can use the same FCC license as a base station - ANSWERS💫✔️-Extend the range of a portable,
mobile, or control station
The four phases of the emergency management cycle, in order, are:
A. Preparedness, disaster, response and recovery
B. Mitigation,preparedness, response, and recovery
C. Mitigation, operations, response, and recovery
D. Preparedness, mitigation, response, and recovery. - ANSWERS💫✔️-Mitigation preparedness
response and recovery
When using the repeater talk-around frequency
A. all transmissions occur on the repeater outbound frequency
B. All transmissions occur on the inbound repeater frequency
C. All transmissions occur on a third frequency
D. All transmissions can be heard by any user within range of the repeater - ANSWERS💫✔️-All
transmissions occur on the repeater outbound frequency
Selectively Routing a call to the proper PSAP is defined as
A. Being controlled by the emergency service node
