Join Mike Meyers for an in-depth discussion in this video Dealing with DNS, part of CompTIA A+ Exam Prep (220-901) Part 5: Networking.
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We love DNS, well, because as human beings…we're terrible at memorizing IP numbers…as ways to get around to stuff.…It's so much easier to remember www.totalsem.com…than it is my IP address for my web server, which even…I don't know off the top of my head, cause I use DNS too.…The challenge is is that sometimes DNS can give us trouble,…so what I wanna do in this episode is talk about…how do we configure DNS and then secondly we're gonna talk…about how do we deal with DNS when we have trouble.…
So let's get things configured.…So the first place I want to go to…is over to my network connections.…And I'm using Windows 10 here, but this works…almost identically in all versions of Windows.…So what I want you to see right here is…we say obtain an IP address automatically.…So here's an example, this is a DHCP client.…Now if you look underneath here, you'll see it says…obtain DNS server address automatically.…Now you'd say to yourself, why would they…keep that separate from the rest of the DHCP stuff?…Well, first of all, DHCP will send you…
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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