题目内容
判断题 FTP is a protocol for file transfer. ( ) 对 ( ) 错
查看答案
搜索结果不匹配？点我反馈
更多问题
判断题 The physical layer is responsible for transmitting a bit stream over a physical medium. ( ) 对 ( ) 错
判断题 The session layer is responsible for transmitting a bit stream over a physical medium. ( ) 对( ) 错
判断题 The data-link layer organizes bits into logical units called frames. It is responsible only for node-to-node delivery of the frame. ( ) 对( ) 错
判断题 A WAN is the connection of individual computers or LANs over a large area. ( ) 对 ( ) 错
微信支付 
支付宝支付