无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項(xiàng)選擇題

When dealing with transparent caching, where should the Content Engines be placed?()

A. close to the servers
B. close to the end users
C. at the Internet edge
D. in front of web server farms

微信掃碼免費(fèi)搜題