Free JN0-649 Exam Braindumps (page: 3)

Page 3 of 17

Your enterprise network is running BGP VPNs to support multitenancy. Some of the devices with which you peer BGP do not support the VPN NLRI. You must ensure that you do not send BGP VPN routes to the remote peer.
Which two configuration steps will satisfy this requirement? (Choose two.)

  1. Configure an import policy on the remote peer to reject the routes when they are received.
  2. Configure an export policy on the local BGP peer to reject the VPN routes being sent to the remote peer.
  3. Configure a route reflector for the VPN NLRI.
  4. Configure the apply-vpn-export feature on the local BGP peer.

Answer(s): B,D

Explanation:

Apply both the VRF export and BGP group or neighbor export policies (VRF first, then BGP) before routes from the vrf or l2vpn routing tables are advertised to other PE routers. https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/ref/statement/vpn- apply-export-edit-protocols-bgp-vp.html



You want to create an OSPF area that only contains intra-area route information in the form of Type 1 and Type 2 LSAs.
In this scenario, which area is needed to accomplish this task?

  1. totally non-to-stubby area
  2. totally stubby area
  3. stub area
  4. non-to-stubby area

Answer(s): B

Explanation:

A totally stubby area (TSA) is a stub area in which summary link-state advertisement (type 3 LSAs) are not sent. A default summary LSA, with a prefix of 0.0. 0.0/0 is originated into the stub area by an ABR, so that devices in the area can forward all traffic for which a specific route is not known, via ABR.



You are implementing the route summarization feature of OSPF. Which two results do you achieve in this scenario? (Choose two.)

  1. It helps in migrating to future multi-area OSPF network designs.
  2. It reduced the routing table size, enabling devices to store and process less information.
  3. It reduces the impact of topology changes on a device.
  4. It provides optimal routing in the network.

Answer(s): B,C

Explanation:

OSPF inter-area route summarization reduces the routing information exchanged between areas and the size of routing tables, and improves routing performance. OSPF inter-area route summarization enables an ABR to summarize contiguous networks into a single network and advertise the network to other areas.



Your organization has recently acquired another company. You must carry all of the company's existing VLANs across the corporate backbone to the existing branch locations without changing addressing and with minimal configuration.
Which technology will accomplish this task?

  1. Q-in-Q all-in-one bundling
  2. PVLAN isolated VLAN
  3. MVRP registration normal
  4. EVPN-VXLAN anycast gateway

Answer(s): A



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