Online Access Free 642-889 Exam Questions

Which two options are disadvantages of MPLS Layer 3 VPNs? (Choose two.)

• A.lack of scalability
• B.IP-only support
• C.complex PE-CE configuration
• D.dependency on service provider Layer 3 model
• E.less efficient than hub-and-spoke model

Which statement describes the peer-to-peer VPN model?

• A.The PE router exchanges routing information with the CPE router.
• B.Routing information is only exchanged between the customer devices.
• C.The service provider provides Internet access only for the customer to configure its own VPN.
• D.The service provider provides IPsec tunnels for each customer location.

What is required on a Cisco IOS XR router to assign an interface to a VRF?

• A.Remove the IP address configuration on the interface, assign the VRF to the interface, and then reconfigure the IP address on the interface.
• B.Shut the interface, assign the VRF to the interface, and then no shut the interface.
• C.Assign the VRF to the interface, and then reset the CE-to-PE routing protocol process.
• D.Assign the VRF to the interface, and then re-enable Cisco Express Forwarding on the interface.

Instructions




On PE7, how many multiprotocol IBGP routes are learned from PE8 and what is the next-hop IP address? (Choose two.)

• A.172.16.8.1
• B.192.168.108.81
• C.10.8.1.1
• D.3
• E.2
• F.1

A Cisco IOS XR router is acting as a PE and is running EIGRP as the CE-PE routing protocol. SOO must be configured. Under which subconfiguration mode should SOO be configured?

• A.RP/0/0/CPU0:XR1(config-eigrp-vrf-af)
• B.RP/0/0/CPU0:XR1(config-eigrp-vrf-af-if)
• C.RP/0/0/CPU0:XR1(config-eigrp-vrf)
• D.RP/0/0/CPU0:XR1(config-eigrp)