Refer to the exhibit. PE1 and PE2 are exchanging VPNv4 routes for CE1 and CE2, and PE3 contains the default route to the internet. If the three devices are operating normally, which two conclusions describe this configuration? (Choose two.)

• A.The CE1 and CE2 VRFs can exchange routes only between their respective VRFs on PE1 and PE2.
• B.All three routers must be running a distance-vector routing protocol.
• C.All three routers must be running MP-BGP.
• D.The CE1 and CE2 VRFs can access the default route provided by the Internet VRF.
• E.Only the CE2 VRF can access the default route provided by the Internet VRF.

Correct Answer: C,E

Let me trace the route-target (RT) import/export relationships, since that's what determines route leaking between VRFs:

A route tagged with an export RT is installed by any VRF importing that same RT.
CE1 exports 100:1 → imported by CE2 and Internet
CE2 exports 200:2 → imported by CE1 and Internet
Internet exports 300:3 → imported by CE2 only (CE1 does not import
300:3)
Exchanging VPNv4 prefixes between PE routers across the MPLS backbone requires MP-BGP (the VPNv4 address family carries the RD, route targets, and VPN labels). Without MP-BGP running on all three PEs, none of this RT-based route leaking happens. This is a baseline requirement of MPLS L3VPN.
The default route lives in the Internet VRF, which exports 300:3. Only CE2 imports 300:3, so only the CE2 VRF installs and can use that default route. CE1 imports just 200:2 - it never imports
300:3, so it cannot reach the Internet VRF's default route. Hence only CE2 has Internet access.

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Which condition about MPLS-based IP VPNs must a network architect consider when developing a network solution for customers who run different routing protocols in their LANs?

• A.If the PE-CE routing protocol is BGP, redistribution of local VPN routes into MP-IBGP is required on the CE router.
• B.If the BGP routing protocol is used between the PE and the CE, the asoverride attribute must be configured on the CE router.
• C.If the PE-CE routing protocol is any protocol other than BGP, redistribution of local VPN routes into MP-IBGP is required on the PE router.
• D.If the PE router is configured with BGP and the CE router is configured with RIP, the asoverride attribute must be configured on the PE router.

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Which statement describes the no bgp default route-target filter command?

• A.Prefixes that are received with route targets and distinguisher are accepted.
• B.Prefixes that are received with route targets that are not imported at the PE are not accepted.
• C.Prefixes that are received with route targets and distinguisher are not accepted.
• D.Prefixes that are received with route targets that are not imported at the PE are accepted.

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Which kind of traffic is supported in an MVPN Extranet?

• A.PIM dense mode with Reverse Path Forwarding
• B.PIM dense mode
• C.PIM sparse mode
• D.Bidirectional PIM

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An engineer is trying to configure an EVPN VWPS. What is the issue with this configuration?

• A.The member in the VPWS context should be the PE-facing interface.
• B.The 12vpn evpn command should be instance 101.
• C.Interface GigabitEthernet0/1/0 should not have any IP address.
• D.The service instance and the EVPN instance are different.

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