日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

多項(xiàng)選擇題

When designing a converged network, which measures can be taken at the building access layerto help eliminate latency and ensure end-to-end quality of service can be maintained?()

A. rate limit voice traffic
B. configure spanning-tree for fast link convergence
C. isolate voice traffic on separate VLANs
D. classify and mark traffic close to the source

微信掃碼免費(fèi)搜題