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Drag the network characteristic on the left to the design method on the right which will best ensure redundancy at the building distribution layer

DRAG DROP

Drag the network characteristic on the left to the design method on the right which will best ensure redundancy at the building distribution layer.

Answer:

Explanation:

Layer 2 between distribution and access layers, with a Layer 3 link between the distribution switches

-> Support Layer 2 VLANs spanning multiple access layer switches across the distribution switches

Layer 2 between distribution and access layers, with a Layer 2 link between the distribution switches

-> FHRP for convergence, no VLANs span between access layer switches across the distribution switches

VSS -> Convergence (FHRP) is not an issue

The following are recommended best practices at the distribution layer:

– Use First-Hop Redundancy Protocols. Hot Standby Router Protocol (HSRP) or Gateway Load Balancing Protocol (GLBP) should be used if you implement Layer 2 links between the Layer 2 access switches and the distribution layer.

– Use Layer 3 routing protocols between the distribution and core switches to allow for fast convergence and load balancing.

– Use the distribution switches to connect Layer 2 VLANs that span multiple access layer switches.

– Use Virtual Switching System (VSS) to eliminate the use of STP and the need for HSRP.

– Cisco Press CCDA 640-864 Official Certification Guide Fourth Edition, Chapter 3

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