To keep certain information private and secure while providing remote access for employees, many businesses are creating intranets. An intranet is an   ( 1 )   organizational internet that is guarded against outside access by a special   (2)   feature called a firewall (which can be software, hardware,or a combination of the two).
(1) A. outside
     B. external       
     C. internal      
     D. inside
(2) A. interconnection           
     B. security       
     C. isolation     
     D. access