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什么条件下，路由器的S0口状态是down的，但协议状态是up的（）
- A、S0口没有连接
- B、S0口有故障
- C、S0有连接，但用指令shutdown
- D、不存在这种情况
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更多 “什么条件下，路由器的S0口状态是down的，但协议状态是up的（）A、S0口没有连接B、S0口有故障C、S0有连接，但用指令shutdownD、不存在这种情况” 相关考题
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考题
单选题Router R1 has working interfaces S0/0, S0/1, and S0/2, with IP address/prefix combinations of 10.10.10.1/24, 10.10.11.2/24, and 10.10.12.3/22. R1's configuration includes the command s router eigrp 9 and network 10.0.0.0. The show ip eigrp interfaces command lists S0/0 and S0/1 in the command output, but not S0/2. Which answer gives the reason for the omission？（）A
R1 has EIGRP neighbors reachable via S0/0 and S0/1, but not via S0/2, so it is not included.B
S0/2 may currently be in a state other than up/up.C
The network 10.0.0.0 command requires the use of mask 255.0.0.0 due to EIGRP being classful by default.D
S0/2 may be configured as a passive inter face.
考题
单选题下列情况下，结论正确的是（）。A
当ΔH0，ΔS0时，反应自发B
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当ΔH0，ΔS0时，低温非自发，高温自发；
考题
单选题以路由器端口S0/1为例，0表示（）。A
串口B
槽位C
端口D
网口
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