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Optical Communications
Optical Communication Assessment
Quiz 1
Solution
Q.1.
A _________________ is a network connecting several regional or national networks together.
a) Long-haul network
b) Domain network
c) Short-haul network
d) Erbium network
Q.2.
What is the range of transmission of extended long haul network?
a) 200-400 km
b) 600-1000 km
c) 1000-2000 km
d) 2000-4000 km
Q.3.
What is the range of transmission of ultra-long haul network?
a) 200-400 km
b) 600-1000 km
c) 1000-2000 km
d) 2000-4000 km
Q.4.
Which feature plays an important role in making the longer haul networks feasible?
a) Channeling
b) Forward error control
c) Backward error control
d) Interconnection
Q.5.
Which of the following is not an element of a submerged cable system?
a) Repeater
b) Branching unit
c) Gain equalizer
d) Attenuator
Q.6.
___________ provides interconnection between the United States and European countries.
a) TAT
b) WTE
c) PFE
d) POP
Q.7.
TAT-employs a DWDM bidirectional ring configuration.
a) False
b) True
Q.8.
A single fiber in TAT-can carry _________ wavelength channels.
a) One
b) Twelve
c) Sixteen
d) Ten
Q.9.
Optical MAN’S are usually structured in _______ topologies.
a) Ring
b) Bus
c) Mesh
d) Star
Q.10.
The ________ network is an element of public telecommunication network that connects access nodes to individual users or MAN’s.
a) Ring
b) Access
c) Mesh
d) Nodal
Q.11.
_____________ is a technique that combines two or more network resources for redundancy or higher throughput.
a) Signal bonding
b) Attenuation
c) Re-signaling
d) Channel bonding
Q.12.
The upstream traffic in EPON is managed by employing a TDM approach.
a) True
b) False
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