CompTIA A+ Core 1 · 220-1101
Objective 2.3: Compare and contrast protocols for wireless networking
Practice questions for A+ Core 1 objective 2.3, “Compare and contrast protocols for wireless networking.” Every question is original, written to the 220-1101 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 2.0: Networking, which is about 20% of the exam — so mastering it moves your readiness score meaningfully.
1.Which IEEE 802.11 standard introduced Wi-Fi 6 and operates on both 2.4 GHz and 5 GHz bands with OFDMA technology?
2.Which generation of cellular technology introduced the first truly broadband mobile data experience with LTE?
3.Which wireless standard operates exclusively on the 5 GHz band and introduced MU-MIMO and beamforming for maximum theoretical speeds of nearly 7 Gbps?
4.Which 802.11 standard was the first to support operation exclusively on the 5 GHz band, offering speeds up to 54 Mbps?
5.A conference centre upgrades its wireless network from 802.11ac to 802.11ax. Users in a crowded expo hall with hundreds of simultaneous wireless devices report significantly better performance. What 802.11ax feature is responsible for this improvement?
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