Network Warrior: Everything You Need to Know That Wasn't on the CCNA Exam

Network Programmability and Automation: Skills for the Next-Generation Network Engineer

Cisco IOS Cookbook: Field-Tested Solutions to Cisco Router Problems (Cookbooks (O'Reilly))

TCP/IP Network Administration: Help for Unix System Administrators

Time Management for System Administrators: Stop Working Late and Start Working Smart

101 Labs - Cisco CCNP: Hands-on Practical Labs for the SWITCH, ROUTE and TSHOOT Exams

The Practice of System and Network Administration: Volume 1: DevOps and other Best Practices for Enterprise IT

The TCP/IP Guide: A Comprehensive, Illustrated Internet Protocols Reference

CCNA Routing and Switching ICND2 200-105 Official Cert Guide

Cisco Routers for the Desperate, 2nd Edition: Router Management, the Easy Way