What would be considered an example of redundancy in network design? (Choose three.)
- Installation of a switch that functions at both Layer 2 and Layer 3.
- Installation of duplicate Layer 3 switches in a company network.
- Installation of a switch with two separate power supplies.
- Keeping a spare router that has already been properly configured.
- Installation of multiple high-speed links to the company server farm.
Explanation: Redundancy is eliminating any single point of failure. This could include equipment or links. Keeping a configured device as a spare will assist in the troubleshooting process but is not considered redundancy. Additionally having a switch that functions at both Layer 2 and Layer 3 is still a single point of failure and is not considered redundancy.
Exam with this question: CCNA 1 ITNv6 Chapter 11: Check Your Understanding
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