A user was hired by a company to provide a highly available network infrastructure. The user wants to build redundancy into the network in case of a switch failure, but wants to prevent Layer 2 looping. What would the user implement in the network?
- VRRP
- GLBP
- HSRP
- Spanning Tree Protocol
Explanation: Loops and duplicate frames cause poor performance in a switched network. The Spanning Tree Protocol (STP) provides a loop-free path through the switch network.
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