Advanced Layer 3 VPN Features JN0-664 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which statement accurately describes how a sham link influences route selection in a Layer 3 VPN with OSPF?

   • AIt increases the OSPF metric of the backdoor link to make it less preferred
   • BIt disables OSPF on the backdoor link to force traffic through the VPN
   • CIt changes the OSPF router ID of the PE routers to prioritize VPN routes
   • DIt makes the VPN path appear as an intra-area route, which is preferred over inter-area or external routes
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Where are firewalls typically placed in an internet access solution for Layer 3 VPNs?

   • ABetween the CE router and the PE router
   • BInside the MPLS backbone
   • CBetween the customer's internal network and the CE router
   • DBetween the PE router and the internet
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   When configuring inter-provider VPN Option B, which BGP address family must be enabled on the ASBRs?

   • Ainet6-vpn
   • Binet
   • Cinet-vpn
   • Dmpls
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   Which data plane encapsulation option is used to carry MVPN multicast traffic over an MPLS network?

   • AIP-in-IP
   • BVXLAN
   • CGRE
   • DMPLS
   Reveal Solution Discussion Select an answer first
6. 5expert · hard

   A service provider (SP-A) is using another provider's (SP-B) Layer 3 VPN service to carry its own traffic between its PE routers. SP-A needs to exchange routes with SP-B. What is the most appropriate method for SP-A to exchange routes with SP-B?

   • AUse static routes to exchange routes between SP-A and SP-B.
   • BUse OSPF to exchange routes between SP-A and SP-B.
   • CUse RIP to exchange routes between SP-A and SP-B.
   • DUse MP-eBGP to exchange VPNv4 routes between SP-A and SP-B.
   Reveal Solution Discussion Select an answer first