In a high-availability network, which command, when placed on ports that have connected end stations, will allow you to prevent delays in service for end stations by placing a port in blocking mode?（）A、enable backbone fastB、enable uplink fastC、disable portfastD、enable portfast
In a high-availability network, which command, when placed on ports that have connected end stations, will allow you to prevent delays in service for end stations by placing a port in blocking mode?（）
- A、enable backbone fast
- B、enable uplink fast
- C、disable portfast
- D、enable portfast
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多选题What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network when usingthe "show ip bgp" command？（）AThe network was originated via redistribution of an interior gateway protocol into BGPBThe network was defined by a static routeCThe network was learned via IBGPDThe network was learned via EBGPEThe network was originated via a network or aggregate command