Which four services use the inner labels of an MPLS label stack？ （）
- A、MPLS VPN
- B、switching path in MPLS core
- C、Cisco MPLS Traffic Engineering and Fast Reroute
- D、MPLS over ATM
- E、VPN over Traffic Engineering core
- F、any transport over MPLS
正确答案:A,C,E,F
答案解析:有
微信扫一扫手机做题