Which of the following may cause a printer to not print correctly after updating from Windows 98 to Windows XP？（）
A、Incorrect printer driver.
B、Printer needs calibration.
C、Dirty printer head.
D、Font settings on the printer.
通过以下哪个选项卡可以实现对文档中标尺的隐藏（）
A、“页面布局”选项卡
B、“审阅”选项卡
C、“视图”选项卡
D、“开始”选项卡
Which of the following should be configured on a wireless router to enhance security? (Select TWO).（）
ADisable DHCP
BChange wireless channel
CDisable SSID broadcasting
DChange the default username and password
EUse a static IP address
在YUV和YIQ颜色空间中，Y表示的是（1）信号，UV表示的是（2）信号，YUV颜色空间主要应用于（3）。空白（3）处应选择（）
A、模拟PAL彩色电视
B、模拟SECAM彩色电视
C、模拟NTSC彩色电视
D、模拟PAL和SECAM彩色电视
WebSphere Commerce has been successfully installed and tested. WebSphere Commerce Analyzer has been installed and the extraction programs have run with no errors but there is no data in any reports when viewed from the WebSphere Commerce Accelerator. What could be the cause of this problem？（）
A、The WebSphere Commerce application server was not started
B、The web server was not started
C、SSL has not been configured on the web server
D、The appropriate listeners were not enabled in Configuration Manager
E、The database server was not started
When configuring the messaging system， which of the following are parameters of the e-mail transport？ （）
ALocation
BProtocol
CMode
DWeb Address
EHost