See this entire course on the Intro to Networking playlist. https://cbt.gg/2VK11NH Network interface cards have addresses associated with them: Layer 2 ethernet addresses. CBT Nuggets trainer Keith Barker explains why these addresses are so important and how you can identify a device's Layer 2 ethernet address. Continue learning networking with CBT Nuggets and sign up for a FREE trial: https://training.cbt.gg/sbp ----------------- Connect with CBT Nuggets for the latest in IT training: • Twitter - https://twitter.com/CBTNuggets • Facebook - http://facebook.com/CBTNuggets • Instagram - http://instagram.com/CBTNuggets • LinkedIn - https://www.linkedin.com/company/cbt-nuggets