Afour-year old laptop will not boot and presents error messages on screen. you have verified with the laptop technical support that these error messages indicate the motherboard has failed and needs replacing. what is the first question you should ask yourself before performing the repair?

Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

What are two of the most common reasons that peolpe who need mental health care do not access it?

One of your customers wants you to build a personal server that he can use in his home. one of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. you have decided to back up his data using raid. since this server is for personal use only, the customer wants to keep costs down. therefore, he would like to keep the number of drives to a minimum. which of the following raid systems would best meet the customer's specifications? a. raid 0 b. raid 1 c. raid 5 d. raid 10