A. 00:05:85:23:45:67 B. 127.0.0.1 C. 2001:0db8:3000:2215:0000:0000:aaaa:1111 D. 49.0001.0192.0168.1001.00
A. 2 B. 4 C. 9 D. 12
A. user@router& B. user@router# C. user@router% D. user@router>