Which option correctly lists the two stable STP port states?

You want to configure the native VLAN on a router subinterface. Which command is correct?

What is the size of the Ethernet header + trailer? (No Preamble + SFD)

Did you know Cisco released this game called Binary Game? You don’t have to register or login to an account. Just follow the link and practice your binary to decimal and decimal to binary calculation skills: https://learningcontent.cisco.com/games/binary/index.html What‘s your score?

This is where you put your skills to the test.Every challenge is designed to push you a little further, sharpen your knowledge, and get you closer to passing the CCNA. 🚀 👉 Here’s how it works: 1. A new challenge will be posted regularly. 2. Download the lab file or read the task description. 3. Work through it on your own. 4. Post your solution in the comments – screenshots, configs, or even a short explanation. 5. Engage: give feedback, ask questions, and learn from others. ✅ Remember: It’s not about being perfect – it’s about practicing, failing safely, and improving together. 🔥 Step into The Arena and show what you’ve got!