Architectures (CRB and ERB) JN0-683 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A service provider is building a large EVPN-VXLAN fabric with hundreds of leaf switches and thousands of tenants. They are concerned about the scalability of the control plane and the size of the routing tables on the spine. Which architecture should they choose to keep the spine's routing table as small as possible?

   • ACRB, because it uses anycast gateways to reduce the routing table size
   • BERB, because it uses a centralized gateway that reduces the number of routes
   • CERB, because the spine only needs to know the underlay routes
   • DCRB, because the spine only needs to know the underlay routes
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   Which architecture typically results in more routing table entries on the leaf switches?

   • AERB
   • BCRB
   • CNeither uses routing tables
   • DBoth are identical
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4. 8foundation · easy

   In a Centrally-Routed Bridging (CRB) architecture, where is the default gateway for a VLAN typically configured?

   • AOn each access switch
   • BOn a dedicated router in each rack
   • COn the spine switches
   • DOn the leaf switches
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5. 9foundation · easy

   Which architecture typically requires more configuration on the leaf switches?

   • ANeither requires configuration
   • BERB
   • CBoth are equal
   • DCRB
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6. 10expert · hard

   A network architect is designing an EVPN-VXLAN fabric for a financial services company. The company has strict compliance requirements that mandate that all inter-subnet traffic must be inspected by a firewall. The firewall is currently deployed in the core, and the architect wants to minimize changes to the security architecture. Which architecture should they choose?

   • AERB, because it allows the firewall to be attached to the leaf switches
   • BERB, because it uses anycast gateways that can be configured to send traffic to the firewall
   • CCRB, because it uses anycast gateways that can be configured to send traffic to the firewall
   • DCRB, because it centralizes routing on the spine, making it easier to insert a firewall
   Reveal Solution Discussion Select an answer first