Proactive Network Maintenance Exam
Questions With Correct Answers
pnm proactive network maintenance
fix it before it breaks
Which of the following are benefits of using PNM?
lower operation costs - fewer truck rolls - reduce customer complaints
Only DOCSIS cable modems can be used to provide PNM data.
false
PNM sweeps DOCSIS devices every 20 seconds.
true
PNM helps operators achieve more efficient networks, which increases the amount of data
that can be sent over existing networks.
true
What is the bouncing back and forth of a signal between two interfaces that have an
impedance mismatch called?
micro reflections
Equalization helps compensate for what impairments?
ripples
notches
group delay
micro reflections
Equalization can help increase the MER of the signal.
true
What is the problem associated with the donut constellation?
coherent/discrete interference
Questions With Correct Answers
pnm proactive network maintenance
fix it before it breaks
Which of the following are benefits of using PNM?
lower operation costs - fewer truck rolls - reduce customer complaints
Only DOCSIS cable modems can be used to provide PNM data.
false
PNM sweeps DOCSIS devices every 20 seconds.
true
PNM helps operators achieve more efficient networks, which increases the amount of data
that can be sent over existing networks.
true
What is the bouncing back and forth of a signal between two interfaces that have an
impedance mismatch called?
micro reflections
Equalization helps compensate for what impairments?
ripples
notches
group delay
micro reflections
Equalization can help increase the MER of the signal.
true
What is the problem associated with the donut constellation?
coherent/discrete interference
