多项选择题
Which two commands will successfully create ping traffic?（）
A. user@router# ping 10.10.10.1 B. user@router# run ping 10.10.10.1 C. user@router> ping 10.10.10.1 D. user@router> request ping 10.10.10.1
单项选择题 How do you ping from configuration mode?（）
单项选择题 By default, which character indicates the UNIX shell prompt?（）
单项选择题 By default, which character indicates the configuration mode prompt?（）
