Join Mike Meyers for an in-depth discussion in this video Internet applications, part of CompTIA A+ Exam Prep (220-901) Part 5: Networking.
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- I've got two computers here that are connected.…They are connected via a switch.…They could be connected via wireless.…They could be thousands of miles apart…connected through a huge mesh of the internet.…It doesn't matter, because I guarantee they're connected.…If I send data from one computer,…I can get it to this computer.…I've got each other's IP address, and we can talk.…Now, here's the thing, just because I'm able to talk,…we now have to have something to talk about,…and that's where the whole world…of internet applications comes into play.…
There's hundreds, thousands, tens of thousands…of applications out there,…but the trick is, is we have to organize stuff…in such a way that they can talk to each other.…In general, we break everything down…into two forms of communication.…There's going to be TCP-based applications…and there's going to be UDP-based applications.…The reason they call TCP/IP "TCP/IP"…is because TCP is the primary, heavy-lifting,…most of the time protocol we go to…for moving data between two computers.…
The CompTIA A+ 220-901 exam is comprised of six key parts. The fifth, networking, is covered by this course. Instructor Mike Meyers provides an introduction to networking by exploring cables, network IDs, IP addresses, and ports. He explains how to deal with a DNS, configure a router, and set up a wireless network while applying security standards. He also discusses Internet connections, including dial-up, broadband, wireless, and more.
Note: The six courses designed for the CompTIA A+ (220-901) exam preparation include core processing, core hardware, peripherals and building a PC, displays and printers, networking, and laptops and mobile devices.
We are now a CompTIA Content Publishing Partner. As such, we are able to offer CompTIA exam vouchers at a 10% discount. For more information on how to obtain this discount, please download these PDF instructions.
- Working with network cables
- Establishing a local area network (LAN)
- Communicating using ping and ipconfig
- Dealing with a DNS
- Configuring routers
- Setting up a wireless network
- Troubleshooting internet connections
- Connecting to a desktop remotely
- Transferring files and selecting file sharing options
Skill Level Beginner
1. Essentials of Networking
2. Local Area Networking
Introduction to TCP/IP15m 4s
Network IDs and subnet mask11m 53s
Dynamic IP addressing9m 59s
Special IP addresses4m 38s
Ping and ipconfig7m 15s
TCP, UDP, and ICMP3m 51s
Port numbers4m 37s
Working with connections6m 24s
Understanding DNS12m 5s
Dealing with DNS8m 19s
Windows naming9m 2s
Configuring routers10m 37s
Advanced router configuration14m 47s
3. Wireless Networking
4. The Internet
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