["COMPUTERS \/ Certification Guides \/ General","Computers\/Certification Guides - General","Computers\/Networking - General","Computer networks;Management;Examinations;Study guides.","Internetworking (Telecommunication);Examinations;Study guides.","Routing (Computer network management) - Examinations","Routing (Computer network management);Examinations;Study guides.","Telecommunication - Switching systems - Examinations","Telecommunications engineers - Certification","COMPUTER","COMPUTER CERTIFICATION","COMPUTERS \/ Certification Guides \/ General","Cisco certification; Cisco Certified Networking Associate; CCNA; ICND2; Interconnecting Cisco Network Devices; Introduction to networking; subnetting; routing; switching; routing and switching; networking certification","Computer Applications","Computer networks;Management;Examinations;Study guides.","Computer\/General","Computers\/Certification Guides - General","Computers\/Networking - General","General Adult","Internetworking (Telecommunication);Examinations;Study guides.","Monograph Series, any","Non-Fiction","Routing (Computer network management) - Examinations","Routing (Computer network management);Examinations;Study guides.","Telecommunication - Switching systems - Examinations","Telecommunications engineers - Certification","Training & Development","United States"]