Question 650
A change request at Cedarline Hotels following a scheduled maintenance window requires the team to discover a neighboring Cisco switch's device name and management address. Which option directly addresses the stated need?
Explanation
Correct Answer
CDP exchanges Cisco neighbor information at Layer 2, including platform and management identifiers. This is the control that implements the specified requirement.
Incorrect Answers
Router-on-a-stick separates VLAN traffic by subinterface over one physical trunk. That is not sufficient here: CDP exchanges Cisco neighbor information at Layer 2, including platform and management identifiers.
PortFast brings an edge port to forwarding quickly; it is not safe for an unintended switch link. That is not sufficient here: CDP exchanges Cisco neighbor information at Layer 2, including platform and management identifiers.
An 802.1Q trunk tags most VLAN frames so several VLANs can share one interswitch link. That is not sufficient here: CDP exchanges Cisco neighbor information at Layer 2, including platform and management identifiers.