Big thank you to Cisco for sponsoring my trip to Cisco Live and for sponsoring this video!

NetAcad Ethical Hacker:
https://www.netacad.com/courses/ethical-hacker?courseLang=en-US

Some Cisco U tutorials:
https://u.cisco.com/tutorials/enhance-spanning-tree-protocol-security-with-root-guard-5508

https://u.cisco.com/tutorials/network-security-essentials-arp-spoofing-ccna-learners-5734

https://u.cisco.com/tutorials/network-reconnaissance-with-nmap-ccna-learners-5733

#shorts #ccna #cybersecurity