4A0-106 試験問題を無料オンラインアクセス

Click the exhibit.

For the inter-AS model C VPRN, which of the following is FALSE when an IP packet is sent from 192.1.1.1 to 192.2.1.1?

• A.ASBR2 pops the BGP label and pushes an LDP transport label.
• B.ASBR1 pops the LDP and BGP labels and swaps the VPN label.
• C.PE1 pushes three labels on the IP packet: a VPN label, a BGP label, and an LDP transport label.
• D.PE2 pops two labels and forwards the unlabeled packet to its destination.

Click the exhibit.

Which of the following about the inter-AS model A VPRN configuration on ASBR1 is TRUE?

• A.The "family vpn-ipv4" command is required under the BGP configuration for successful VPRN operation.
• B.The neighbor address should be 10.10.10.4 under the BGP configuration for successful VPRN operation.
• C.The route-distinguisher value must be 64496:10 for successful VPRN operation.
• D.The VPRN configuration on ASBR1 is correct.
• E.An export policy is not required for successful VPRN operation.

Which of the following about inter-AS model AVPRN is TRUE?

• A.Most routers that support VPRN functionality do not support model A by default.
• B.VRF configuration is not required on the ASBRs.
• C.It is the most scalable of the Inter-AS models.
• D.It is not necessary to run MPLS at the boundary between autonomous systems.

Which command will display the Route Target associated to a specific prefix on an Nokia 7750 SR?

• A.Either (b) or (d)
• B.Show router bgp routes <prefix> detail
• C.Show router bgp routes
• D.Show router <service-id> route-table
• E.Show router route-table

It is required to prepare the provider core for LDP on an Nokia 7750 SR. Based on the configuration shown below, choose the answer that best describes the given configuration.

• A.This configuration is correct and complete
• B.This configuration is correct except that the system interface must be added
• C.MPLS configuration is not required
• D.This configuration is correct except that the interfaces facing the CE routers must be added.