Which option describes the purpose of the PPP endpoint discriminator?
A.
It identifies the maximum payload packet.
B.
It notifies the peer that it prefers 12-bit sequence numbers.
C.
It identifies the system attached to the link.
D.
It determines whether a loopback is on the link.
from RFC 1717:
“The Endpoint Discriminator Option represents identification of the
system transmitting the packet. This option advises a system that
the peer on this link could be the same as the peer on another
existing link. If the option distinguishes this peer from all
others, a new bundle MUST be established from the link being
negotiated. If this option matches the class and address of some
other peer of an existing link, the new link MUST be joined to the
bundle containing the link to the matching peer or MUST establish a
new bundle, depending on the decision tree shown in (1) through (4)
below.”
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