CCNA Course for Beginners | Day 10: IP Address and Subnet Mask Fundamentals

Описание: CCNA Course for Beginners | Day 10: IP Address and Subnet Mask Fundamentals

In today's free CCNA lecture:

🔥 You’ll finally crack the logic behind IP addressing — and why hierarchical addressing beats flat systems in real networks
🔥 You’ll see how IPv4 addresses are structured for real-world networks
🔥 You’ll learn what a subnet mask is and how it defines network boundaries
🔥 You’ll get the default subnet masks for Class A, B, and C addresses
🔥 You’ll walk through Class A, B, C examples — network ID, broadcast ID, valid IP ranges
🔥 You’ll grasp how TCP/IP communication works — within a LAN (switches) and across a WAN (routers)


🛎️ Why Pay to Learn CCNA?

THEY charge ₹10,000–₹25,000 for this.

I’m giving it away — 100% FREE on YouTube. But why?

I spent 15+ years at top networking brands like D-Link, Digisol, and Edgecore.

After leaving this corporate, I trained thousands of students — all of them paid for what you're about to get here.

When I started, I struggled.

So I built the CCNA course I wish I had — clear, no fluff, beginner-friendly.

And now I’m giving it to you.

100% FREE. No upsells. No catch.

Just one tiny ask… 👉 If you find this CCNA video series useful, consider tapping the SUBSCRIBE button and leaving a comment 🙏🏽

⭐ You can find the entire CCNA 200-301 playlist of over 35+ professionally done videos here:    • CCNA Course for Beginners – 100% FREE - Fu...  

And here are the my complete set of CCNA resources to go along with the videos:

🟢 100% FREE CCNA study guide (My presentation slides/ notes):
https://hi.switchy.io/ccna-notes

🟢 IMPORTANT: Video explaining how to access resources:
   • Help Video - How to Access Resources  

🟢 Download Cisco Packet Tracer Swipe Files:
https://swiy.io/cpt-swipe-files

And oh, if your version of Cisco packet tracer doesn’t work with my packet tracer (.pkt) files, below are the right versions to download:

🟢 How to download Cisco packet tracer software (32-bit, Windows):
https://swiy.io/cpt32

🟢 How to download Cisco packet tracer software (64-bit, Windows):
https://swiy.io/cpt64

Disclosure: This CCNA 200-301 full course isn’t version 1.1 yet, but it delivers everything you need to learn right now.

I’m actively updating the program, and new videos that’ll add the version 1.1 syllabus are being recorded as we speak. Thank you in advance for your patience 🫶