Question:
What represents a best practice concerning discovery protocols such as CDP and LLDP on network devices?
- Enable CDP on edge devices, and enable LLDP on interior devices.
- Use the open standard LLDP rather than CDP.
- Use the default router settings for CDP and LLDP.
- Disable both protocols on all interfaces where they are not required.
Explanation: Both discovery protocols can provide hackers with sensitive network information. They should not be enabled on edge devices, and should be disabled globally or on a per-interface basis if not required. CDP is enabled by default.
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