What is a data-link connection identifier (DLCI) utilized for?
a. It is used by routers to determine which circuit to forward a frame to in a frame relay network.
b. It is used by routers to establish a packet-switched path to the destination.
c. It is used by ATM switches to determine how to create a switched virtual circuit.
d. It is a locally significant ID used to send connectionless information.
ANSWER: a
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