Cisco 200-310 Exam

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. Select and Place:

Correct 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.

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