An administrator is unable to ping any address on the 10.0.19.0/24 subnet. To identify the problem, the administrator uses the command shown in the exhibit. Which step should be taken to solve the problem?（） 
- A、Check the physical cable
- B、Issue the command activate interfaces fe-0/0/1.513
- C、Issue the command delete interfaces fe-0/TJ/1.513
- D、Reconfigure the IP address
正确答案:B
答案解析:有
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