试题详情单项选择题Which one of the WAN data-link protocols below is used for out-of-band signaling?（）A、HDLCB、NCPC、PAPD、LAPDE、LAPBF、None of the above正确答案：D答案解析：关注下方微信公众号，在线模考后查看热门试题集锦薄是什么？（）When EIGRP is used aWhich of What does a router dDeploying the cisco If all c下列哪三项是CSMA/CD的特征？（）In the CWhat’s theQ You are tRegarding consYou are When a rWhich of Which two̳Which PPP̳Which of 在Windows ServeWhich two̳DNS servers provide
