CCNA Routing and Switching

• WAN Technologies: Important Points of Interest, Part 3 of 3
• By Sean WilkinsJan 13, 2016

Concluding this three-part series on WAN technologies, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, Academic Edition, discusses how satellite, wireless data, and leased lines are used as part of a networking solution.

• WAN Technologies: Important Points of Interest, Part 2 of 3
• By Sean WilkinsJan 6, 2016

In Part 2 of a three-part series, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, Academic Edition, reviews popular low-end and mid-grade offerings for Internet access: dial-up, ISDN, DSL, and cable.

• WAN Technologies: Important Points of Interest, Part 1 of 3
• By Sean WilkinsDec 29, 2015

In the first article of a three-part series, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, Academic Edition, provides an overview of some of the wide area networking (WAN) technologies that network engineers need to know to get that first job in the industry, or to move up in their chosen field.

• TACACS+ vs. RADIUS: Similarities and Differences
• By Sean WilkinsDec 8, 2015

If you're responsible for the security of your organization's network, it's important to examine all the possibilities. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, examines these two long-time AAA favorites, discussing how they protect your network's vital resources.