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单选题

Which mechanism can you use to achieve sub-second failover for link failure detection when a switched Ethernet media is used and loss of signal is not supported by the link provider?()

发布日期:2021-03-17

Which mechanism can you use to achieve sub-second ...
A

OSPF standard hellos

B

Cisco Discovery Protocol link detection

C

Bidirectional Forwarding Detection

D

Fast Link Pulse

E

autonegotiation

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