1 00:00:00,005 --> 00:00:03,005 - [Greg] Protocol is a lifeblood of modern communication, 2 00:00:03,005 --> 00:00:07,001 every website, email, and bank transaction depends on them. 3 00:00:07,001 --> 00:00:09,006 I'm Greg, and I've been building networks worldwide 4 00:00:09,006 --> 00:00:11,002 for over 15 years. 5 00:00:11,002 --> 00:00:13,008 In this course, I'll discuss the basic building blocks 6 00:00:13,008 --> 00:00:15,002 that protocols use. 7 00:00:15,002 --> 00:00:17,008 I'll then move up discussing how websites are delivered, 8 00:00:17,008 --> 00:00:19,005 how domain names are resolved, 9 00:00:19,005 --> 00:00:22,002 and how voice traffic is carried on a network. 10 00:00:22,002 --> 00:00:25,009 Last, we will get hands on and show the essential tools used 11 00:00:25,009 --> 00:00:28,004 when troubleshooting your connection to the world. 12 00:00:28,004 --> 00:00:29,005 I'm ready to rock, 13 00:00:29,005 --> 00:00:31,005 so grab your gear and let's get started 14 00:00:31,005 --> 00:00:34,000 with foundations of networking CLI.