When your network experiences Cisco Discovery Protocol and LLDP issues, with which layer of the OSI model must you begin troubleshooting?
A. physical layer
B. datalink layer
C. network layer
D. transport layer
Answer:B
When your network experiences Cisco Discovery Protocol and LLDP issues, with which layer of the OSI model must you begin troubleshooting?
A. physical layer B. datalink layer C. network layer D. transport layer