Join Mike Meyers for an in-depth discussion in this video Port numbers, part of CompTIA A+ Exam Prep (220-901) Part 5: Networking.
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- So pretend with me for a moment that…these are two computers, yeah they look…more like styrofoam chairs but, come one!…Work with me a little bit here people!…Now, we know that every computer on a…TCPIP network has a unique IP address…and that's fantastic.…Having unique IP addresses allows us to…get data from one computer to another.…But, there's a few challenges in here.…We do know that anytime you are sharing data…one computer has to be a client, and another…computer has to be a server that has some…resource, a Web server, Email, World of Tanks,…Files, I don't know, that we're trying to get to.…
So, if we have something that's acting as…a File server the IP address will allow us…to talk to the computer, but how do we talk…to the serving software on those…different devices?…And that's where something called a Port Number…comes into play.…Lets take a look at Port Numbers.…Here's Computer B, he's a Web server…but he's also an Email server.…So we need a way for him to take incoming…packets and make sure it gets to…
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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