Which of the following tools is best suited for complex cross referenced subtotals?

A technician is notified that a laptop is not booting. It is discovered that there are no system lights, sounds, or display when the power button is pressed. Which of the following should the technician attempt FIRST in the troubleshooting process?

A. Connect an external monitor into the laptop to determine if the LCD has failed. B. Boot the system from either a boot CD or other removable media type. C. Disconnect the AC and battery power and hold the power button for several seconds. D. Remove any hard drives or optical drives, RAM, and any wireless cards or USB devices from the laptop

When using the LastIndexOf method with three arguments, the second parameter specifies:

a) the length of the substring to search b) the starting index from which to begin the search c) the ending index from which to begin the search d) the string to search for