If this were your CCNA / CCNP home lab, you could just go over and look at the DTE/DCE cable to see which router had the DCE end of the cable attached.

• 部分答案在于教会自己去理解和掌握 CSS 与浏览器的表现方式。但还有一部分答案就是主动的抛弃惯例。