If you want to use floating for a 3-column page layout that consists of an aside, a main element, and another aside, you need to set a. the width of the body element and all of the contained elements to percents b. the width of the body element and one or more of the contained elements to percents c. the width all of the contained elements to percents d. the width of body element to a percent

Which one of the following would administrators use to connect to a remote server securely for administration? a. telnetb. secure file transfer protocol (sftp)c. secure copy (scp)d. secure shell (ssh)

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

Need ! will choose brainliest! discuss the role of abstraction in the history of computer software.