Online Access Free 300-515 Exam Questions

The CTO of a company requires the support of a network consultant to deliver an MPLS solution without resigning to a certain degree of redundancy and scalability. Which solution effectively scales to hundreds or thousands of sites?

• A.L3VPN with direct LSP connectivity between all PEs.
• B.L2VPN by encapsulating multiple frame formats with interworking.
• C.L3VPN using a hierarchical topology of N-PEs and U-PEs.
• D.L2VPN with the broadcast traffic processed at the ingress PE.

Refer to the exhibit. Which result occurs when PE1 learns a new MAC address and all three PEs are enabled with EVPN native?

• A.The MAC address is entered into the CAM table only if it is learned on the native VLAN.
• B.A system notification is sent to the network administrator that triggers the manual configuration of the new MAC address on PE2 and PE3.
• C.The new MAC address is sent by BGP to PE2 and PE3 as a Type 2 BGP route.
• D.The MAC address is entered into the CAM table and is classified for use on the native VLAN

Which utility can you use to validate an LSP in an MPLS environment?

• A.uRPF
• B.RSVP
• C.logging
• D.MPLS LSP ping

An engineer is troubleshooting an ongoing network outage. Which command should he use that can display the live log files for a process or service running on a network device?

• A.ping
• B.debug
• C.show run
• D.traceroute

When verifying Layer 3 MPLS VPN operations, which Cisco IOS XR show command is best used to verify that the PE router is receiving the routes from the CE router?

• A.show bgp vpnv4 vrf vrf-name
• B.show bgp vpnv4 unicast ip-prefix
• C.show route
• D.show route vrf vrf-name