How do you ping from configuration mode?（）
- A、[edit interfaces] user@router# run ping 1.1.1.1
- B、[edit interfaces] user@router# ping 1.1.1.1
- C、[edit interfaces] user@router# up ping 1.1.1.1
- D、[edit interfaces] user@router# exit ping 1.1.1.1
正确答案:A
答案解析:有
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