Free JN0-663 sample questions

You are establishing a Layer 3 VPN between two PE devices. Currently you have a single internal IPv4 BGP peering between the PE devices. You must ensure that the IPv4 and IPv6 routes from both CE devices are exchanged between these sites. Which two statements are correct in this scenario? (Choose two.)

• You must enable IPv6 tunneling on the LSPs between the PE devices.
• You must establish an IPv6 BGP peering between the two PEs.
• You must enable the inet6-vpn NLRI on both PE devices.
• You must enable the inet-vpn NLRI on both PE devices.

Which two statements are correct about Opaque LSAs in OSPF? (Choose two.)

• Type 10 LSAs are used for MPLS traffic-engineering and have area scope.
• Type 11 LSAs are used for MPLS traffic-engineering and have area scope.
• Type 11 LSAs are used for MPLS label exchange and have link-local scope.
• Type 9 LSAs are used for graceful-restart and have link-local scope.

A network administrator is investigating why traffic from R2 is not being forwarded to R1. Referring to the show isis database command output shown in the exhibit, what is causing this problem on the network?

• R1 and R2 are in different IS-IS areas.
• The preferred interface between R1 and R2 is experiencing errors.
• R1 is configured to drop all incoming traffic.
• R2 is ignoring specific LSPs from R1 in its SPF calculations.

Referring to the exhibit, which command would reduce the size of the OSPF database and corresponding routes?

Referring to the exhibit, you want to reduce the CPU processing load on PE 2 by preventing the receipt of routes belonging to Customer B. In this scenario, which layer 3 VPN scaling mechanism provides this functionality?

• route refresh
• route origin
• route reflection
• route target filtering

You have a mixed vendor EVPN environment and you need to ensure VXLAN interoperability between all devices. In tins scenario, winch statement is correct?

• You should only use pure Type 2 routes.
• You should only use pure Type 5 routes.
• You should only use Type 2 and Type 5 routes.
• You should only use Type 6 and Type 2 routes.