#1
What does PON stand for in fiber optic technology?
Passive Optical Networking
ExplanationPON stands for Passive Optical Networking.
#2
Which of the following is a primary advantage of Passive Optical Networks (PON)?
Lower cost compared to traditional copper-based networks
ExplanationPON offers lower cost compared to traditional copper-based networks.
#3
What is the role of an Optical Network Unit (ONU) in a PON architecture?
Acts as a mediator between the OLT and the subscriber
ExplanationONU acts as a mediator between the OLT and the subscriber in a PON architecture.
#4
Which network topology is commonly associated with Passive Optical Networks (PON)?
Star topology
ExplanationPassive Optical Networks (PON) are commonly associated with a star topology.
#5
What is the function of an Optical Line Terminal (OLT) in a PON system?
Converts optical signals to electrical signals
ExplanationOLT converts optical signals to electrical signals in a PON system.
#6
Which of the following technologies is commonly used in the downstream direction of a PON system?
Wavelength Division Multiplexing (WDM)
ExplanationWavelength Division Multiplexing (WDM) is commonly used in the downstream direction of a PON system.
#7
What is the maximum distance limitation for typical PON deployments?
10 kilometers
ExplanationTypical PON deployments have a maximum distance limitation of 10 kilometers.
#8
Which layer of the OSI model is primarily responsible for handling data transmission over a PON network?
Physical layer
ExplanationThe Physical layer of the OSI model is primarily responsible for handling data transmission over a PON network.
#9
What is the main reason for the increasing adoption of Gigabit PON (GPON) over traditional PON technologies?
Higher bandwidth capacity
ExplanationThe increasing adoption of Gigabit PON (GPON) over traditional PON technologies is due to its higher bandwidth capacity.
#10
Which type of splitter is commonly used in PON architectures to divide optical signals for distribution to multiple subscribers?
Passive splitter
ExplanationPassive splitters are commonly used in PON architectures to divide optical signals for distribution to multiple subscribers.
#11
In a PON system, what does the term 'split ratio' refer to?
The number of optical splitters connected to the OLT
ExplanationSplit ratio in a PON system refers to the number of optical splitters connected to the OLT.
#12
Which of the following is a key advantage of wavelength division multiplexing (WDM) in PON systems?
Higher data transmission rates
ExplanationWavelength Division Multiplexing (WDM) in PON systems offers higher data transmission rates.
#13
What is the primary factor influencing the choice between time division multiplexing (TDM) and wavelength division multiplexing (WDM) in PON systems?
Physical distance between OLT and ONUs
ExplanationThe primary factor influencing the choice between TDM and WDM in PON systems is the physical distance between OLT and ONUs.
#14
What is the role of a wavelength locker in PON systems?
To maintain a constant wavelength for optical signals
ExplanationThe role of a wavelength locker in PON systems is to maintain a constant wavelength for optical signals.