Read this book and you'll be fully prepared for Cisco's 200-301 Exam - Cisco Certified Network Associate -Implementing and Administering Cisco Solutions. This book contains hundreds of diagrams and configuration examples and makes sense out of even the most complicated topics. The author - Hazim Gaber - has years of experience designing, installing, and troubleshooting computer networks for organizations large and small. Topic Include-The role of network components including routers, switches, firewalls, access points, WLCs (wireless controllers)-PoE-Physical cabling infrastructure-Switching logic - MAC address tables, flooding-TCP, UDP, and ICMP-IPv4 addressing and subnetting-IPv6 addressing and subnetting-Public & private IP addresses-Wi-Fi channels, RF, SSIDs, frequencies, and wavelengths-Network topologies, including 2-tier, 3-tier, spine-leaf, and SOHO-WAN, MPLS, Ethernet WAN-Virtualization-Switch configuration-Router configuration-VLANs-SSH, Telnet, Console access configuration-CDP & LLDP configuration-Spanning Tree Protocol (STP) and RSTP-EtherChannel-Wireless Architecture-TACAS+ and RADIUS-Routing protocols-Static & dynamic routes-OSPFv2-First Hop Redundancy Protocol-Network Address Translation (NAT)-Classless Interdomain Routing (CIDR)-Network Time Protocol (NTP)-DHCP-DNS-SNMP-syslog-QoS (Quality of Service)-Traffic shaping & policing-FTP & TFTP-Security threats, vulnerabilities, and exploits, & mitigation strategies-Security program-Access Control Lists (ACLs)-Multi-Factor authentication & biometrics-Site-to-Site VPNs & Remote Access-DHCP Snooping-ARP Inspection-Port Security-Authentication, Authorization, & Accounting (AAA)-WPA, WPA2, WPA3, WEP, TKIP, EAP-TLS, LEAP, PEAP Wi-Fi Security Protocols-Automation-Software Defined Networks (SDNs) and Software Defined Architecture (SDAs)-Cisco DNA (Digital Network Architecture)-REST Based APIs-Puppet, Chef, Ansible-JSON