Q.1
A signal carried on a dedicated wavelength from source to destination node is known as a
  • light path
  • light wave
  • light node
  • light source
Q.2
Packet switching is also called as
  • frame switching
  • cell switching
  • trans-switching
  • buffer switching
Q.3
How many networking modes are available to establish a transmission path?
  • three
  • one
  • two
  • four
Q.4
The ring and star topologies are combined in a                  configuration.
  • mesh
  • fringe
  • data
  • singular
Q.5
The full-mesh configuration is complex.
  • false
  • true
Q.6
In the                      topology, the data generally circulates bi-directionally.
  • mesh
  • bus
  • star
  • ring
Q.7
The network structure formed due to the interconnectivity patterns is known as a
  • network
  • struck
  • topology
  • d-pattern
Q.8
The fundamentals of optical networking are divided into                areas.
  • two
  • one
  • four
  • three
Q.9
is a multi-functional element of optical network.
  • hop
  • optical node
  • wavelength
  • optical attenuation
Q.10
A unidirectional path switching ring is a network with
  • one ring
  • two rings
  • three rings
  • four rings
Q.11
Automatic protection switching in linear network is defined at the
  • line layer
  • section layer
  • photonic layer
  • path layer
Q.12
A linear SONET network can be
  • point-to-point
  • multi-point
  • both point-to-point and multi-point
  • single point
Q.13
Which one of the following is not true about SONET?
  • frames of lower rate can be synchronously time-division multiplexed into a higher-rate frame
  • multiplexing is synchronous tdm
  • all clocks in the network are locked to a master clock
  • sts-1 provides the data rate of 622.080mbps
Q.14
In SONET, each synchronous transfer signal STS-n is composed of
  • 2000 frames
  • 4000 frames
  • 8000 frames
  • 16000 frames
Q.15
The photonic layer of the SONET is similar to the                      of OSI model.
  • network layer
  • data link layer
  • physical layer
  • transport layer
Q.16
The path layer of SONET is responsible for the movement of a signal
  • from its optical source to its optical destination
  • across a physical line
  • across a physical section
  • back to its optical source
Q.17
In SONET, STS-1 level of electrical signalling has the data rate of
  • 51.84 mbps
  • 155.52 mbps c) 2488.320 mbps d) 622.080 mbps
Q.18
Time division multiplexing is inverse to that of frequency division multiplexing.
  • true
  • false
Q.19
technique involves an increase in the number of components required.
  • time division multiplexing
  • space division multiplexing
  • code division multiplexing
  • frequency division multiplexing
Q.20
Which of the following is not an optical fiber component?
  • fiber
  • connector
  • circulator
  • detector
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