Layer 3 VPN Configuration and Monitoring JN0-664 Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A network engineer is configuring a VRF on a PE router for a new customer. The customer has two sites that need to communicate. The engineer assigns the route distinguisher 65000:100 and the route target 65000:100 for both import and export. What is the effect of this configuration?

   • AThe VRF will only export routes with the route target 65000:100.
   • BThe VRF will import and export routes with the route target 65000:100.
   • CThe VRF will not import or export any routes.
   • DThe VRF will only import routes with the route target 65000:100.
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   A customer reports that they cannot reach a remote site in the same Layer 3 VPN. The PE routers have established MP-BGP sessions, but the remote site's routes are missing from the local VRF table. What is the most likely cause?

   • AThe PE routers are not in the same autonomous system
   • BThe route distinguisher is not unique
   • CThe CE router is not configured with a loopback address
   • DRoute target mismatch between the VRFs
   Reveal Solution Discussion Select an answer first
4. 18application · medium

   A service provider is configuring a new Layer 3 VPN for a customer. The PE routers are already configured with the necessary VRFs and route targets. The engineer needs to enable the exchange of VPN-IPv4 routes between the PE routers. What configuration is required on the PE routers?

   • AConfigure an MP-BGP session between the PE routers with the family inet-vpn unicast enabled.
   • BConfigure an OSPF adjacency between the PE routers within the VRF.
   • CConfigure a static route on each PE router pointing to the other PE router.
   • DConfigure a direct connection between the PE routers using the VRF routing instance.
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   What is the effect of configuring an import route target on a VRF?

   • AIt adds the route target to all routes exported from the VRF.
   • BIt changes the next-hop attribute of routes in the VRF.
   • CIt enables the VRF to advertise routes to the CE router.
   • DIt determines which VPN-IPv4 routes from other PEs are installed in the VRF table.
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   Which routing protocols can be configured between a PE and CE router within a VRF on a Junos device?

   • AOnly static routes
   • BOnly BGP
   • CStatic, OSPF, and BGP
   • DOnly OSPF
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