<span>the three fundamental elements of an effective security program for information systems are Identification, Authentication and Authorization.The access control creates the user and assigns the rights to resources and authorization is giving permissions to the users to access the resources.The user who wants to enter the system should have a valid data t enter the system like password, fingerprint or any other type of recognition.</span>
Md command, (make directory) creates a directory. It's a subdirectory when you md under a directory.
Answer:
I think it is the last one. Or first. Try first though.
Explanation:
Have a Great Day.
