ENP EMERGENCY NUMBER
PROFESSIONAL EXAM PRACTICE SCRIPT
2026 QUESTIONS WITH ANSWERS GRADED
A+
⫸ Local Access and Transport Area Answer: LATA
⫸ End office, tandem or access tandem, facility and COs Answer: 4
components of Traditional Telephone Topology
⫸ Used in the next generation network to transmit a caller's voice using
VOIP on a variety of different data transports Answer: Packet Switching
⫸ DTMF tones represent user to the network signaling, MF tones are
control signals within the network Answer: Why do DTMF tones differ
from MF tones
⫸ the wireless network equivalent of a wireline network central office
Answer: Mobile Switching Center
⫸ 10 Digits Answer: A phase II wireless call has how many telphone
number digits delivered to the PSAP through the E9-11 Wireline
Selective Router
, ⫸ Short Message Service (SMS) Answer: The interim text for 911
technology use today is
⫸ Delivery of callback number and caller latitude/longitude to the
PSAP Answer: Describes the FCC Phase II mandate
⫸ IP i3, Web Services, TTY Baudot Answer: Three Delivery options
for SMS
⫸ Emergency Services Query Key (ESQK) Answer: VOIP 911 call
delivery and ALI Retrieval are driven by which telephone number
⫸ Mobile Positioning Center (MPC) Answer: The VOIP network
element that provides routing information and delivery of location for
the VOIP call
⫸ Coalition of NENA and VOIP Service providers Answer: The entity
that established the i1, i2, and i3 deployment pathway for VOIP E911
⫸ Wireless Phase II Answer: VOIP i2 call delivery and ALI query most
resembles
⫸ MSAG, ANI and ALI Answer: Relational database scheme
⫸ Properly route a 911 call and provide the associated ELT Answer:
The ESN assigned to an ESZ is used by the 911 selective router to
PROFESSIONAL EXAM PRACTICE SCRIPT
2026 QUESTIONS WITH ANSWERS GRADED
A+
⫸ Local Access and Transport Area Answer: LATA
⫸ End office, tandem or access tandem, facility and COs Answer: 4
components of Traditional Telephone Topology
⫸ Used in the next generation network to transmit a caller's voice using
VOIP on a variety of different data transports Answer: Packet Switching
⫸ DTMF tones represent user to the network signaling, MF tones are
control signals within the network Answer: Why do DTMF tones differ
from MF tones
⫸ the wireless network equivalent of a wireline network central office
Answer: Mobile Switching Center
⫸ 10 Digits Answer: A phase II wireless call has how many telphone
number digits delivered to the PSAP through the E9-11 Wireline
Selective Router
, ⫸ Short Message Service (SMS) Answer: The interim text for 911
technology use today is
⫸ Delivery of callback number and caller latitude/longitude to the
PSAP Answer: Describes the FCC Phase II mandate
⫸ IP i3, Web Services, TTY Baudot Answer: Three Delivery options
for SMS
⫸ Emergency Services Query Key (ESQK) Answer: VOIP 911 call
delivery and ALI Retrieval are driven by which telephone number
⫸ Mobile Positioning Center (MPC) Answer: The VOIP network
element that provides routing information and delivery of location for
the VOIP call
⫸ Coalition of NENA and VOIP Service providers Answer: The entity
that established the i1, i2, and i3 deployment pathway for VOIP E911
⫸ Wireless Phase II Answer: VOIP i2 call delivery and ALI query most
resembles
⫸ MSAG, ANI and ALI Answer: Relational database scheme
⫸ Properly route a 911 call and provide the associated ELT Answer:
The ESN assigned to an ESZ is used by the 911 selective router to
