Networks
What
are Ethernet and token ring?
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p. 475
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Ethernet technology allows computers to
contend
for access to network
for access to network
§ If two computers
send data at same time,
a collision occurs and computers must send again
a collision occurs and computers must send again
Token ring technology controls access to
network
by requiring devices to pass a special signal,
called token
by requiring devices to pass a special signal,
called token