Consider a computer system with three users, Alice, Bob and Cindy. Alice owns the file alicerc, and Bob and Cindy can read it. Cindy can read the write the file bobrc, which Bob owns, but Alice can only read it. Only Cindy can read and write the file cyndyrc, which she owns. Assume that the owner of each of these files can execute it.

a. Create the corresponding access control matrix.

b. Cindy gives Alice permission to read cyndyrc, and Alice removes Bob's ability to rad alicerc. Show the new access control matrix.

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

In which job role will you be creating e-papers, newsletters and preiodicals

Which player type acts on other players? a. killer b. achiever c. explorer d. socializer