Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
在链路级别，有关接收帧的响应从一个节点传递到另一个节点，或者一个节点正在等待来自路由器的响应，该路由器来自另一个路由器，等等？