Subnetting and VLANs are core skills for anyone pursuing the CCNA, helping you design efficient, secure, and manageable networks. From segmenting traffic to reducing broadcast domains, these concepts ...

For some exam questions, the question doesn’t tell you in which VLAN the frame exists – you must somehow infer it from the available information. Monday’s question did exactly that. Unlike last week’s ...

Please help me understand subnets and subnet masks! Are there any dumbed down resources out there that can break it down better than scouring Reddit threads? I'm currently planning on completely ...

In Cisco LAN switch environments, the native VLAN is typically untagged on 802.1Q trunk ports. This can lead to a security vulnerability in your network environment. It is a best practice to ...

I recently installed a new Unifi 24-port switch and a NanoHD access point. Other than setting up a basic WiFi in the house and getting all of my network moved over to the new switch and AP, I had a ...