The Essentials of Computer Networking, Second Edition: Learn the Basics to Build Your Career

By Charles Vance

From the first cable to a secure network across the world.

The Essentials of Computer Networking takes you from a single copper pair all the way to a secure, working network-one clear step at a time. No prior experience required. This fully revised Second Edition is now completely illustrated, with 80+ detailed diagrams that make every concept visible: cable cutaways, the OSI stack, subnetting worked out on the page, packet exchanges, and network topologies.

Whether you're starting an IT career, preparing for a certification, or finally connecting the dots on how networks really work, this is the foundation to build on.

What you'll learnChoose and install the right cabling-and read a network by sightReason through the OSI and TCP/IP layers like a professionalTell hubs, switches, and bridges apart, and know when to use eachMaster IP addressing and subnetting with fully worked examplesUnderstand the protocols that make it all work: ARP, DNS, DHCP, and TCPSet up a WireGuard VPN for secure remote access, step by stepDesign and secure wireless networks, and defend against real attacksPractical from cover to coverA quick-reference for configuring a router, building a network, and troubleshootingA subnetting practice set-24 problems with full, worked solutionsA command reference: ping, traceroute, ipconfig, arp, nslookup, and moreA ports-and-protocols guide and a complete glossary of every term

Perfect for beginners, students, career-changers, help-desk and IT support staff, and anyone preparing for a networking certification.

Learn the basics. Build your career. Start reading today.

• Format: Paperback
• Language: English
• ISBN: B0H7QS9WR5
• ISBN13: 9798185184073
• Release Date: July 2026
• Publisher: Independently Published
• Length: 182 Pages
• Weight: 0.82 lbs.
• Dimensions: 0.4" x 8.0" x 10.0"