At what voltage does a USB host supply power to the USB bus?

What is the maximum cable length that FireWire 800 supports?

Which of the following are used by FireWire 800 devices?

In which of the following conditions does BIOS need to be updated?
Each correct answer represents a complete solution. Choose two.

Andrew has a personal computer. One morning, he starts his computer and finds the following error
message:
“CMOS checksum failure.”
What are the most likely causes of this error?
Each correct answer represents a complete solution. Choose two.

Andrew purchases a laptop that has the Windows 2000 Professional operating system. He wants to
know about the BIOS version of the computer. Which of the following steps will he take to
determine the version of the BIOS?
Each correct answer represents a part of the solution. Choose two.

Which of the following switches of the XCOPY command copies file ownerships and NTFS
permissions on files while copying the files?

Which of the following switches is used with the XCOPY command to copy directories and
subdirectories, including empty directories?

Which of the following switches of the XCOPY command continues to copy files even if errors occur?

Which of the following switches of the ATTRIB command clears the attributes of a file?