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思科认证考试

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In MPLS networks, what s the benefit of disabling TTL propagation?（）

  • A、To provide a visible extension of MPLS TTL functionality in a non MPLS-enabled domain
  • B、To improve the IGP convergence time
  • C、To hide visibility to the core (provider) routers in the MPLS network
  • D、To provide a visible extension of IP TTL functionality in an MPLS-enabled domain
正确答案:C
答案解析:有
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