JN0-683: Data Center, Professional (JNCIP-DC)Demo

By Juniper · Question Mode

QuestionQ58

Layer 3 Fabrics

You are deploying a new network to support AI workloads on devices that support at least 400 Gbps Ethernet. This network has no requirement for any Layer 2 VLANs.

Which network architecture would meet this requirement?

  • A an IP fabric using the EVPN-MPLS architecture
  • B an IP fabric with an EVPN-VXLAN architecture
  • C an IP fabric using the PIM-SM to signal VXLAN overlay
  • D an IP fabric using EBGP
Explanation

An eBGP-based IP fabric is a routed Layer 3 architecture that supplies scalable leaf-to-spine reachability without requiring VLANs or a Layer 2 overlay. EVPN-VXLAN and EVPN-MPLS add EVPN overlay services, whereas PIM-SM is a multicast routing protocol rather than VXLAN signaling. Juniper’s IP fabric reference design uses eBGP for underlay connectivity.

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