Which of the following technologies can improve convergence time following a link failure in a serviceprovider network？（）
- A、MPLS TE FR
- B、MPLS VPN
- C、BFD
- D、RSVP
- E、VPLS
- F、SNMP
正确答案:C
答案解析:有
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Which of the following technologies can improve convergence time following a link failure in a serviceprovider network？（）
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