99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

A user reports that when the phone rings in their house the wireless on their laptops becomes disconnected.
Which of the following BEST describes the issue?()

A.The cordless phones are plugged into same outlet as the router
B.The cordless phones are 5.8Ghz which interferes with wireless
C.The cordless phones are 2.4Ghz which interferes with wireless
D.The cordless phones are plugged into the RJ-11 jack

微信掃碼免費搜題