Nokia Border Gateway Protocol Fundamentals for Services 4A0-114 Question # 1 Topic 1 Discussion
4A0-114 Exam Topic 1 Question 1 Discussion:
Question #: 1
Topic #: 1
A traditional (non EVPN) VPRN service is configured using MP-BGP and LDP transport tunnels. Which of the following statements about the VPN service label is TRUE?
A.
The service label is advertised using LDP.
B.
The service label is prepended to the customer IPv4 prefixes.
C.
The service label must be manually configured for the VPRN on each PE router.
D.
The service label is carried in an MP-BGP VPN-IPv4 route update.
n a traditional (non-EVPN) VPRN service configured using MP-BGP and LDP transport tunnels, the service label has the following characteristics:
A. False: The service label is not advertised using LDP; LDP is used for establishing the transport tunnels.
B. False: The service label is not prepended to the customer IPv4 prefixes.
C. False: The service label does not need to be manually configured for the VPRN on each PE router.
The correct statement is:
D. True: The service label is carried in an MP-BGP VPN-IPv4 route update. MP-BGP carries the VPN-IPv4 prefixes along with the associated service labels.
ReferencesNokia Border Gateway Protocol Fundamentals, Chapter on BGP/MPLS VPNs and VPRN Services.
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