Online Access Free 642-887 Practice Test

Which method of assigning Cisco MPLS TE tunnel traffic can optimize voice service?

• A.PBTS
• B.autoroute
• C.CBTS
• D.static routing

What is an important requirement with MPLS applications like Layer 3 MPLS VPNs?

• A.The LSPs that are built between the PE routers must be symmetrical (bidirectional).
• B.An end-to-end LSP is required between the PE routers.
• C.Targeted hellos are required between all the PE routers.
• D.All the PE routers loopback addresses should be summarized to reduce the number of routing table entries in the core routers.

Which four options describe the functions of the control world in an AToM environment? (Choose four.)

• A.It prevents fragmentation and reassembly.
• B.It preserves the sequence of the transported frames.
• C.It carries generic and Layer 2 payload-specific information.
• D.It enables proper load balancing without packet desequencing independent of L2VPN packet content.
• E.It is responsible for padding the small packets.
• F.It is responsible for padding all packets.
• G.It carries Layer 2 payload-specific information.
• H.It enables an optimal path for the L2VPN packet content to follow through the MPLS backbone.

Referring to the Cisco IOS XR configuration exhibit,

which labels will be advertised by the router with this configuration?

• A.Labels for all prefixes will be advertised to the 10.1.1.1 LDP peer.
• B.No labels will be advertised to any LDP peers.
• C.Only the label for 10.1.1.1/32 will be advertised to all the LDP peers.
• D.Labels for all prefixes will be advertised to all the LDP peers.

The regional operation center deploys a Cisco MPLS TE tunnel over the company's core network. The Cisco MPLS TE tunnel is up and no error is detected, but no traffic is traversing the tunnel. Which two issues are possible causes? (Choose two.)

• A.The interior gateway protocol has no knowledge of the Cisco MPLS TE tunnel.
• B.The provider edge router is not performing the correct redistribution.
• C.The customer edge router is injecting rogue IPv4 prefixes in the provider edge routing table.
• D.The end-to-end label switched path has not been established.
• E.No static route has been defined to route data traffic over the Cisco MPLS TE tunnel.