You are planning a leaf and spine topology for a data center. The campus is in a different building; the customer wants to connect the campus network directly to the data center network. To which…

Question

Options

• ATo two service leaf switches, which are dedicated to connecting the spine and leaf topology to
• BTo two L3 edge switches, which are dedicated to connecting the spine and leaf topology to
• CTo two border leaf switches, which are dedicated to connecting the spine and leaf topology to
• DTo two L2 edge switches, which are dedicated to connecting the spine and leaf topology to

• A
  4% (1)
• C
  92% (22)
• D
  4% (1)

Explanation

Border leaf switches are the designated point of external connectivity in a leaf-spine architecture - they sit at the "border" between the internal data center fabric and outside networks like a campus, WAN, or internet, making C the correct choice. Option A is wrong because service leaf switches attach shared internal services (firewalls, load balancers) within the data center, not external networks. Option B's "L3 edge switches" is not a recognized role in leaf-spine design, and while L3 routing is indeed needed here, the correct term is border leaf. Option D's "L2 edge switches" is doubly wrong - inter-building campus connectivity requires Layer 3 routing, and L2-only switches cannot route between subnets. Memory tip: Think of "border" as a passport checkpoint - just as a border crossing connects two separate territories, border leaf switches connect the data center fabric to the outside world.

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