CTSS Academy

Top 70 CCNA Interview Questions and Answers

📘 Episode Description:

In this episode, we cover the Top 70 CCNA Interview Questions and Answers, designed for both freshers and experienced network engineers preparing for job interviews, exams, or certifications.

From routing and switching to subnetting, VLANs, and TCP vs UDP — this episode helps you master real-world CCNA interview questions step-by-step.

We’ll go through:

  • 🧠 Basic concepts like routing, data link, switching, and congestion

  • ⚙️ Protocols: RIP, EIGRP, OSPF, IGRP

  • 💾 Cisco Router memory types (NVRAM, DRAM, Flash)

  • 🌐 IP addressing, subnetting, and VLAN configuration

  • 🧩 OSI & TCP/IP layers explained with examples

  • 📶 Difference between half-duplex and full-duplex

  • 🛠️ Commands and troubleshooting (erase startup-config, hold-downs, route poisoning)

  • 🧍‍♂️ Interview-style scenario questions for practice

Perfect for CCNA aspirants who want confidence before interviews or want to refresh their networking fundamentals.

🎧 Listen to this before your next interview — and pass like a pro.

💼 Explore more from us:

📘 Kill All Bugs: Learn Software Testing in 1 Day → https://testingin1day.com

🛍️ CTSS / AdParcel Store (Printify Merch) → https://adparcel.printify.me

🌍 AdParcel — Digital Billboard Project → https://adparcel.io

🎧 Listen on CTSS Academy — where tech meets simplicity.