多项选择题
A.文字B.图像C.声音D.视频
A.net.ipv4.conf.all.accept_redirects=0B.net.ipv4.conf.default.accept_redirects=0C.net.ipv4.conf.all.send_redirects=0D.net.ipv4.conf.default.send_redirects=0
A.高吞吐率B.高接入用户数C.QoS的提升D.D2D