试题详情单项选择题在中继系统中,中继器处于()A、物理层B、数据链路层C、网络层D、高层正确答案:A答案解析:关注下方微信公众号,在线模考后查看热门试题在 Windows̳Which command enableThere are̳RouterAisunabletorea访问控制列表,作用在路由器接口出方向上,Which three You have Select theQWhich statement is tWith whichQ数据链路层基本任务是将源机网络层来的数据Refer to t You are tWhich cisco collaborYou want When a pThe Cisco̳how to d One of yoA receiving host com