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

單項選擇題

Users in the office report that the speed of the Internet has drastically decreased since the recent network hardware refresh. Which of the following could be attributed to the problem?()

A. The firewall was not powered back on
B. The DHCP server is not working correctly
C. The cellular repeater installed is interfering with the network speed
D. The new switches are configured for 10MB

微信掃碼免費搜題