Answer:
authentication
Explanation:
At the authentication process, there is a way of identifying a user, this is typically done by having the user enter a valid user name and valid password before access is granted. Here at authentication the process is based on each user having a unique set of criteria for gaining access. 
The AAA server have to ascertain by comparing a user's authentication credentials with other user credentials stored in a database. In the event the credentials match, the user is granted access to the network. But on the other hand, If the credentials varies, and authentication fails then network access will be denied.
 
        
             
        
        
        
In case the first drive fails, the data will all be backed up onto the second drive, a copy will still be intact.
        
             
        
        
        
The answer is D. Electoral College
        
             
        
        
        
<span>
A client-server relationship is the basic form of a computer network. 
-hope this helps.</span>
        
             
        
        
        
Answer:
True hope this helps you and everyone!