200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ182

Network Fundamentals

What are two reasons a network administrator would use CDP?

Choose two
  • A to verify the type of cable interconnecting two devices
  • B to determine the status of network services on a remote device
  • C to obtain VLAN information from directly connected switches
  • D to verify Layer 2 connectivity between two devices when Layer 3 fails
  • E to obtain the IP address of a connected device in order to telnet to the device
  • F to determine the status of the routing protocols between directly connected routers
Explanation

Cisco Discovery Protocol is a Layer 2 neighbor discovery protocol used to learn information about directly connected Cisco devices. CDP advertisements can provide management IP address information for a neighboring device, which can then be used to remotely access it, and they also carry switch-related details such as VLAN information from directly connected switches. CDP does not report cable type, remote service status, or routing protocol state.

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