4.1 Introduction to the Network Layer
14:37
4.2 What's inside a router? Part 1.
1:01:52
Understanding the Components of the Network Layer | Google IT Support Certificate
30:14
4.3 The Internet Protocol, part 1
19:20
OSI and TCP IP Models - Best Explanation
1:42:43
How does the internet work? (Full Course)
24:29
2.1 Principles of the Application Layer
21:55
4.2 What's inside a router? Part 2.
12:04