What are the differences between 802.11ax (Wi-Fi 6) and 802.11ac (Wi-Fi 5)?

Wi-Fi 6 (802.11ax) introduced: OFDMA (better multi-user efficiency vs OFDM in Wi-Fi 5), MU-MIMO uplink + downlink (Wi-Fi 5 was downlink only), Target Wake Time (TWT) for IoT power savings, BSS Coloring (interference reduction in dense deployments), and 1024-QAM modulation (higher peak speeds). Real-world impact: Wi-Fi 6 shines in dense environments (office floors, conference centres) where Wi-Fi 5 chokes.

Want the full explanation? This is the atomic answer suitable for quick interview prep. For the structured deep-dive — including code samples, strong-answer vs weak-answer notes, common follow-up questions, and how this fits the larger cisco / network engineer topic — see the full Q&A on Networkers Home:

→ Cisco / Network Engineer Interview Hub — Full Q&A with deep context

How Networkers Home prepares students for this kind of question

This question reflects real interview rounds at Bangalore's top enterprise networking and infrastructure teams. Networkers Home's flagship courses include mock interview sessions drilling exactly these question patterns, with feedback from interviewers who have hired for the role.

→ View the complete cisco / network engineer interview prep hub
→ View the related Networkers Home course
→ Book a free career consultation