Certified Novell Administrator 
Customer Name and Address 
Communications Network Application 
Canadian Numbering Administrator 
Certified NetWare Administrator 
Communication Network Architecture 
Cascaded Network Architecture 
Certified Network Administrator 
Cisco Networking Academy 
Cooperative Network Architecture 
Cooperative Networking Architecture 
Customer Name Address 
Calling Number Announcement 
Canadian Nmmbering Administrator 
Canadian Numbering Administration 
Charterers Nominated Agency 
Climate Network Africa 
Common Nozzle Assembly 
Connecting Network Access 
Connection Not Active