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ICND1 – CDP & LLDP

June 18th, 2017 in ICND1 100-105 Go to comments

Question 1

Explanation

CDP runs at Layer 2 so it can recognize a switch (if that switch also runs CDP).

Question 2

Explanation

Cisco Discovery Protocol (CDP) is a proprietary protocol of Cisco so if you can see the VoIP phone via the “show cdp neighbors” command on a Cisco switch then that phone is from Cisco.

Question 3

Explanation

CDP runs at Layer 2 (Data Link) of the OSI model -> E is correct.

Question 4

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