A junior network engineer is learning about mechanisms to prevent routing loops on EIGRP. Which valuable piece of information can the network engineer learn about split horizon on an EIGRP network?
- Split horizon is disabled by default on all interfaces.
- Split horizon needs to be enabled on a Layer 2 Virtual Private Network.
- Split horizon needs to be disabled on hub-and-spoke topologies.
- Split horizon can only be disabled in global configuration mode.
Explanation: EIGRP enables split horizon on all interfaces by default. It can be disabled on a specific interface on EIGRP classic mode and named mode. Split horizon needs to be disabled on hub-and-spoke topologies such as Frame-Relay, Dynamic Multipoint Virtual Private Network, or Layer 2 Virtual Private Network.
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