Which technology is required when switched networks are designed to include redundant links?
- Spanning Tree Protocol
- virtual LANs
- virtual private networks
- link aggregation
Explanation: Spanning Tree Protocol (STP) is required when switched networks include redundant Layer 2 links. VLANs, VPNs, and link aggregation are not related to link redundancy in network design.
Exam with this question: CCNA 3 v7 Module 11 Quiz - Network Design
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