Exam 100-105 Question id=554 Infrastructure Maintenance

At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?

A. data link
B. application
C. network
D. transport
E. physical


the answers are mixed, do not specify in the comment number or the letter of the answer
please write answer#A instead A, answer#B instead B...

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