"Professional CCNA Tutor"
...I have over thirty years experience installing, maintaining and securing enterprise computer networks. My background includes hands on experience on Cisco 2500, 2600, 7200 routers and 2900 and 3500 switches. My certifications include Cisco CCNA, CompTIA: Network+, A+, and Security+. I have a thorough understanding of end to end networking and network...