Blog - Best Cisco Certification Course

Praphul Mishra- The Founder of PM Networking

PM Networking
April 19, 2025
3 min read

Welcome to my networking world! I am Praphul Mishra, and I help individuals like you in developing powerful careers in the field of computer.

CCNP ENARSI Lab Checklist: Practise Routing and Troubleshooting

PM Networking
November 7, 2026
5 min read

A useful CCNP ENARSI lab is more than a working configuration. You should be able to explain why a route exists, predict what happens.

Network engineer preparing for CCNA interview: top 50 CCNA interview questions and answers

Top 50 CCNA Interview Questions and Answers (2026 Update)

PM Networking
November 6, 2026
10 min read

50 CCNA interview questions with short answers on switching, VLANs, OSPF, NAT, ACLs and security. Great for freshers and job seekers.

Spine-leaf architecture in a data center: two spine switches connected to four leaf switches with servers

Spine-Leaf Architecture Explained: Data Center Network Design (2026)

PM Networking
November 5, 2026
5 min read

Learn how spine-leaf architecture works, why data centers replaced three-tier design, and how to design it.

What is VLAN - types, benefits and how VLAN works in networking explained

What Is a VLAN? Full Form, Types, Benefits and How It Works

PM Networking
November 4, 2026
5 min read

If you’ve started learning networking or you’re preparing for your CCNA certification, you’ve probably come across the term VLAN more times than you can.

CCNA v2.0 vs v1.1 exam changes 2027 – new Cisco CCNA 200-301 exam starts 3 February 2027

CCNA v2.0 vs v1.1 Exam Changes 2027

PM Networking
October 22, 2026
8 min read

Last updated: October 2026 If you’re preparing for CCNA right now, you’ve probably heard the news. Cisco is changing the exam. The new CCNA.