Top 20 Network Engineer Interview Questions With Answers | iiQ8 Jobs
Top 20 Network Engineer Interview Questions With Answers
Top 20 Network Engineer Interview Questions & Answers | Network Engineer Prep 2025
Are you preparing for a Network Engineer interview? This video/blog covers the most important 20 questions every network professional should know. From OSI & TCP/IP models, VLANs, subnetting, to routing protocols (OSPF, EIGRP, BGP), firewalls, VPNs, QoS, MPLS, and troubleshooting network latency — we’ve got you covered!
Whether you’re a beginner or experienced network engineer, this guide provides detailed, step-by-step explanations to help you ace your interview.
What is the OSI model? Explain each layer.
The OSI (Open Systems Interconnection) model is a conceptual framework used to understand how different networking protocols interact in a network. It has 7 layers:
Physical Layer – Deals with transmission of raw bits over a medium (cables, switches, hubs, wireless signals).
Data Link La…
Read more
about Top 20 Network Engineer Interview Questions With Answers | iiQ8 Jobs
