A one-way flag<span> can also be </span>used<span>, for example, to watch errors occuring in input data so that the program </span>could<span> ask the inputs again. A </span>variable<span> is a temporary if its value is always needed only for a very short period.</span>
        
             
        
        
        
Answer:
User-level Security
Explanation:
User-level security allows the user to access resources on a network using a username and password. User-level security offers higher and greater security than share-level security, which does not require a password to access files. 
User-level security allows the database user access and permission to resources.