单选题You are the top of the hierarchy in configuration mode. How would you save your configuration to a file on the router?（）A save configuration <filename>B save config <filename>C save <filename>D save run <filename>
题目
单选题
You are the top of the hierarchy in configuration mode. How would you save your configuration to a file on the router?（）
A
save configuration <filename>
B
save config <filename>
C
save <filename>
D
save run <filename>