Uploaded August 2025 | Updated September 2026, 26 minutes ago
Test your **networking** skills with this video on **subnetting**. This video covers **what is subnetting**, and how to perform **ip subnetting** on a network. This includes how to calculate the **subnet mask**.
howtonetwork.com
101labs.net
Test your **networking** skills with this video on **subnetting**. This video covers **what is subnetting**, and how to perform **ip subnetting** on a network. This includes how to calculate the **subnet mask**.
howtonetwork.com
101labs.net
![Common Networking Ports, Protocols and Services M1L4 - Network+ [N10-009]](https://i.ytimg.com/vi/BYQoIZvqN_4/mqdefault.jpg "Common Networking Ports, Protocols and Services M1L4 - Network+ [N10-009]
Learn about the most common protocols and services for the CompTIA Network+ exam [N10-009].
FTP, HTTP, DNS, DHCP, Syslog and more. In this lesson, our Cisco CCIE explains everything you need to know.
Check out our courses and live Cisco racks at - https://www.howtonetwork.com
Check out our hands-on lab courses at https://www.101labs.net
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