试题详情单项选择题Acknowledgements, sequencing, and flow control are characteristics of which OSI layer（）。A、Layer2B、Layer3C、Layer4D、Layer5E、Layer6F、Layer7正确答案：C答案解析：关注下方微信公众号，在线模考后查看热门试题Router R1, in ASN 11What bit which command is useInternet中URL的含义是（）。Which of What is the IP addreWhich feature&Which dose the frameWhat shouldWhat are Which statement descWhich two̳Refer to tWhich functionA legacy network thayou want Which statement abouWhich two̳When a rSNMP依赖于（）工作。
