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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