Which of the following commands verifies connectivity between two hosts?（）

单项选择题A customer reports that the laser printer produces poor quality printouts. Having arrived onsite, the technician has a discussion with the customer and reviews some examples of their print jobs. Which of the following should the technician do NEXT? （）

A. Clean the toner cartridge.
B. Change the paper.
C. Replace the fuser.
D. Print a test page.

单项选择题A technician receives a boot error message OS not found. Which of the following should thetechnician check? （）

A. The boot order in the BIOS
B. If Plug and Play is enabled
C. If the computer is in Safe Mode
D. If the BIOS is current

单项选择题Which of the following features is only available with the Windows XP Professional version ascompared to the Windows XP Home version? （）

A. Simple File Sharing
B. Basic Disk Partitions
C. Remote Desktop
D. Joining a domain

单项选择题The BEST information to document when changing the refresh rate on the display is to include: （）

A. the previous refresh rate and the new refresh rate applied.
B. the method that was used to access the display properties to change the refresh rate.
C. all the refresh rates that were tested.
D. the color resolution the user requested as well as the refresh rate.

单项选择题Which of the following is the maximum FAT32 volume size Windows 2000 and XP will recognize? （）

A. Up to 16GB
B. Up to 32GB
C. Up to 1024GB
D. Up to 2048GB