FINAL EXAM: PROGRESSION: FIELD
TECH IV - V FINAL QUESTIONS AND
CORRECT ANSWERS
Which of the following is a Class C IP address? ✅✅ANSW-192.168.40.15
________ allows network administrators to break up a single network address into smaller network
addresses, creating router-connected network segments, all with their own unique network address
space. ✅✅ANSW-Subnetting
Static routing and dynamic routing are two out of three different types of indirect routing. What is
the third type? ✅✅ANSW-Default routing
_____ is a simple file transfer protocol used to transport data packets over UDP. ✅✅ANSW-
Trivial File Transfer Protocol (TFTP)
Which of the following are two types of domain names? ✅✅ANSW-Relative name and fully
qualified domain name (FQDN)
Which of the following does a CO DACS provide? ✅✅ANSW-Provides a semi-permanent path for
voice and data signals
What three basic functions does a telephone switch do when it processes calls? ✅✅ANSW-
Signaling, routing, and switching
According to the North American Numbering Plan (NANP), what does the "803" in 803-550-0000
represent? ✅✅ANSW-Number Plan Area
What does the service code 411 represent? ✅✅ANSW-Local Directory Assistance
Which of the following best describes the copper cabling that connects many homes and businesses
to the nearest CO? ✅✅ANSW-Local loops
, Which of the following is defined as a loss in signal amplitude, or strength, that occurs as a signal
passes through a transmission medium and interconnecting devices? ✅✅ANSW-Attenuation
What are Subscriber Line Carrier (SLC) circuits used for? ✅✅ANSW-Reduce the number of
physical wire pairs
The feature of a PBX system that creates a log of all incoming and outgoing calls is called?
✅✅ANSW-Station Message Detail Recording (SMDR)
Curiosity, malice, and toll fraud are a few types of security problems that this service is vulnerable
to? ✅✅ANSW-Voice mail
What is the Signaling System 7 (SS7) protocol used for? ✅✅ANSW-Telephone network control
signaling
Which solution is more economical than using regular long distance service and enables companies
to route telephone call over their data network? ✅✅ANSW-Packet telephony
Which Quality of Service (QoS) parameter is defined as a variable delay that is measured in a number
of ways, such as a percentage of the maximum network delay (+/- 10 percent), or as a variation
above or below the average network delay (+/- 10 ms of the average network delay over a period of
time)? ✅✅ANSW-Jitter
Admission control protocols, authentication mechanisms, and _______ are three ways
communication networks provide admission control. ✅✅ANSW-Access Control Lists (ACLs)
Which of the following specifications provides a standard definition of Ethernet VLANs?
✅✅ANSW-802.1Q
Which ITU-T H.323 packet multimedia standards component is used for real-time bi-directional
multimedia communications, and can either be a PC or a stand-alone device running an H.323
protocol stack and the desired multimedia applications? ✅✅ANSW-Terminals
What is happening in step 8 of the SS7-VoIP Gateway Call Progress? ✅✅ANSW-The destination
SSP rings the destination subscriber telephone set
TECH IV - V FINAL QUESTIONS AND
CORRECT ANSWERS
Which of the following is a Class C IP address? ✅✅ANSW-192.168.40.15
________ allows network administrators to break up a single network address into smaller network
addresses, creating router-connected network segments, all with their own unique network address
space. ✅✅ANSW-Subnetting
Static routing and dynamic routing are two out of three different types of indirect routing. What is
the third type? ✅✅ANSW-Default routing
_____ is a simple file transfer protocol used to transport data packets over UDP. ✅✅ANSW-
Trivial File Transfer Protocol (TFTP)
Which of the following are two types of domain names? ✅✅ANSW-Relative name and fully
qualified domain name (FQDN)
Which of the following does a CO DACS provide? ✅✅ANSW-Provides a semi-permanent path for
voice and data signals
What three basic functions does a telephone switch do when it processes calls? ✅✅ANSW-
Signaling, routing, and switching
According to the North American Numbering Plan (NANP), what does the "803" in 803-550-0000
represent? ✅✅ANSW-Number Plan Area
What does the service code 411 represent? ✅✅ANSW-Local Directory Assistance
Which of the following best describes the copper cabling that connects many homes and businesses
to the nearest CO? ✅✅ANSW-Local loops
, Which of the following is defined as a loss in signal amplitude, or strength, that occurs as a signal
passes through a transmission medium and interconnecting devices? ✅✅ANSW-Attenuation
What are Subscriber Line Carrier (SLC) circuits used for? ✅✅ANSW-Reduce the number of
physical wire pairs
The feature of a PBX system that creates a log of all incoming and outgoing calls is called?
✅✅ANSW-Station Message Detail Recording (SMDR)
Curiosity, malice, and toll fraud are a few types of security problems that this service is vulnerable
to? ✅✅ANSW-Voice mail
What is the Signaling System 7 (SS7) protocol used for? ✅✅ANSW-Telephone network control
signaling
Which solution is more economical than using regular long distance service and enables companies
to route telephone call over their data network? ✅✅ANSW-Packet telephony
Which Quality of Service (QoS) parameter is defined as a variable delay that is measured in a number
of ways, such as a percentage of the maximum network delay (+/- 10 percent), or as a variation
above or below the average network delay (+/- 10 ms of the average network delay over a period of
time)? ✅✅ANSW-Jitter
Admission control protocols, authentication mechanisms, and _______ are three ways
communication networks provide admission control. ✅✅ANSW-Access Control Lists (ACLs)
Which of the following specifications provides a standard definition of Ethernet VLANs?
✅✅ANSW-802.1Q
Which ITU-T H.323 packet multimedia standards component is used for real-time bi-directional
multimedia communications, and can either be a PC or a stand-alone device running an H.323
protocol stack and the desired multimedia applications? ✅✅ANSW-Terminals
What is happening in step 8 of the SS7-VoIP Gateway Call Progress? ✅✅ANSW-The destination
SSP rings the destination subscriber telephone set
