Excellent all-in-one Cisco networking reference covering routing, switching, wireless, security, protocols, troubleshooting, and core networking fundamentals. Perfect for: * CCNA students * IT beginners * Help desk / sysadmin learning * Homelab enthusiasts * Anyone getting into networking This “6 books in 1” edition packs a huge amount of practical networking knowledge into one guide without jumping between multiple textbooks. Condition: Very good condition overall with clean pages and solid binding. Great desk reference for anyone serious about IT, cybersecurity, or networking careers.