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Answer Posted / vishnu raaz
Frame Relay is a high-performance WAN protocol that
operates at the physical and data link layers of the OSI
reference model. Frame Relay originally was designed for
use across Integrated Services Digital Network (ISDN)
interfaces. Today, it is used over a variety of other
network interfaces as wellFrame Relay is an example of a
packet-switched technology. Packet-switched networks enable
end stations to dynamically share the network medium and
the available bandwidth. The following two techniques are
used in packet-switching technology:
•Variable-length packets
•Statistical multiplexing
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