单项选择题
Which of the following is the process a scanner uses to scan images to a computer？（）
A.Light is shown through the image and onto the scanner head B.Light is reflected off a mirror onto the Charged Coupled Device （CCD） C.Light is flashed off a mirror onto the CCD D.Light is reflected off the image and into a camera
单项选择题 WhichofthefollowingprotocolswouldMOSTlikelybeusedintheestablishmentofanIPSecVPN tunnel？（）
单项选择题 When comparing DSL broadband to cable broadband, which of the following is an advantage ofDSL broadband?（）
单项选择题 公务员在定期考核中被确定为优秀、称职的，按照国家规定享受（）。
