What's the default CDP holdtime in seconds for Cisco routers?
A.) 30 seconds
B.) 180 seconds
C.) 90 seconds
D.) 60 seconds
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Answer Posted / guest
Answer: B
Cisco Discovery Protocol is a proprietary protocol to allow
you to
access configuration information on other routers and
switches with a
single command. It uses SNAP at the Data-Link Layer. By
default CDP
sends out a broadcast every 60 seconds and it holds this
information for
180 seconds. CDP is enabled by default.
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