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

<thead id="4gppy"><kbd id="4gppy"></kbd></thead>

<nav id="4gppy"><th id="4gppy"></th></nav>

<thead id="4gppy"><i id="4gppy"><div id="4gppy"></div></i></thead>

多項(xiàng)選擇題

Which of the following connection types use a phone line as a carrier to provide access to theInternet?（）

A.Cellular
B.Satellite
C.ISDN
D.WiMAX
E.DSL

你可能感興趣的試題

多項(xiàng)選擇題

Which of the following is included in the typical laser printer maintenance kit?（）

A. Print head
B. Toner
C. Fuser
D. Main drive assembly
E. Pickup rollers

單項(xiàng)選擇題

A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? （）

A.Transfer roller
B.Paper type
C.Print head
D.Fuser