1 00:00:00,300 --> 00:00:02,610 Hello, welcome back. 2 00:00:02,790 --> 00:00:06,600 You mentioned the last lesson that we're going to be talking about, so what is that? 3 00:00:06,689 --> 00:00:12,510 Well, I just wanted to finally get the entire picture of the Internet across, and I think this is 4 00:00:12,510 --> 00:00:13,830 the best way to do it. 5 00:00:14,070 --> 00:00:20,760 Now, if you're on a Mac, you're going to press command space and look for a program that comes with 6 00:00:20,760 --> 00:00:25,710 your Mac called terminal and you're going to press enter and you're going to get this. 7 00:00:25,740 --> 00:00:28,560 So it's an application that all Macs have. 8 00:00:28,560 --> 00:00:31,200 If you're on a Windows machine, it's called command prompt. 9 00:00:31,200 --> 00:00:37,050 And in the exercise, right after this lesson, I will show you instruction on how to access that as 10 00:00:37,050 --> 00:00:37,390 well. 11 00:00:37,710 --> 00:00:40,470 We're going to talk about trace route. 12 00:00:40,770 --> 00:00:48,480 And if you remember, we spoke about this image of all these connected things happening and going to 13 00:00:48,480 --> 00:00:49,650 the Internet backbone. 14 00:00:49,650 --> 00:00:54,420 And then Google dot com finally sends us the files back to our house. 15 00:00:54,540 --> 00:00:58,290 And you can actually monitor how that's going to work using Traceroute. 16 00:00:58,310 --> 00:01:03,980 So if we type in Traceroute and on Windows Machine, it's actually Trace Aarti. 17 00:01:04,800 --> 00:01:11,040 But for now, we'll just go Traceroute and you can request for whatever website you want. 18 00:01:11,050 --> 00:01:12,840 So let's go with Google dot com. 19 00:01:12,990 --> 00:01:16,440 I press enter and yeah, look at that. 20 00:01:16,440 --> 00:01:20,930 It gave me a whole bunch of hops that it did. 21 00:01:20,940 --> 00:01:22,860 So you can see one through nine here. 22 00:01:22,860 --> 00:01:23,820 So did nine. 23 00:01:23,820 --> 00:01:28,650 HOBB So that means nine stops to this address. 24 00:01:30,550 --> 00:01:35,030 At one seventy two two one seven, one point one four. 25 00:01:35,200 --> 00:01:37,870 So, again, that looks like the IP address. 26 00:01:37,900 --> 00:01:41,610 So, again, let's always test our experiments here. 27 00:01:41,620 --> 00:01:43,850 If I put that in and press enter. 28 00:01:43,870 --> 00:01:44,470 We should get Google. 29 00:01:44,650 --> 00:01:44,890 Com. 30 00:01:44,900 --> 00:01:45,310 Let's see. 31 00:01:46,920 --> 00:01:53,790 Look at that Google dot com, so that's a fun little way of you to see where your requests go and you 32 00:01:53,790 --> 00:02:00,810 can monitor you can see all these IP addresses are different computers that are trying to locate the 33 00:02:00,810 --> 00:02:01,520 Google service. 34 00:02:02,040 --> 00:02:03,210 So go ahead. 35 00:02:03,210 --> 00:02:04,950 In the next section, there's a little exercise. 36 00:02:04,950 --> 00:02:10,030 You can play around with this and just see where all your requests go all over the world. 37 00:02:10,110 --> 00:02:11,280 I think it's very, very cool. 38 00:02:11,610 --> 00:02:17,430 We're going to finish up in the next section with some fundamentals and what we can do with this knowledge 39 00:02:17,430 --> 00:02:21,240 that we have to actually become really good web developers. 40 00:02:21,270 --> 00:02:22,400 So see you in the next section. 41 00:02:22,820 --> 00:02:23,250 Bye bye.