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Question 285 - 400-007 discussion
Company XYZ, a global content provider, owns data centers on different continents Their data center design involves a standard three-layer design with a Layer 3-only core VRRP is used as the FHRP They require VLAN extension across access switches in all data centers, and they plan to purchase a Layer 2 interconnection between two of their data centers in Europe in the absence of other business or technical constraints which termination point is optimal for the Layer 2 interconnection?
at the core layer, to offer the possibility to isolate STP domains
at the access layer because the STP root bridge does not need to align with the VRRP active node
at the core layer because all external connections must terminate there for security reasons
at the aggregation layer because it is the Layer 2 to Layer 3 demarcation point
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