Juniper NetworksCertified Specialist, Mist AI Wireless (JNCIS-MistAI)
Domain 1Objective 1
802.11 PHY Protocols JN0-452 Practice Questions (Page 1)
Part of the Wi-Fi Fundamentals domain, which makes up ~20% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–12 in this domain), expect 1–2 from this objective — we provide 16 practice questions to prepare you well beyond it. (estimate)
16questions here
4free pages
6concepts
Questions 1–5
- 1
Which 802.11 PHY protocol was the first to introduce OFDM and operate exclusively in the 5 GHz band?
Select an answer first - 2
A network administrator is planning a Wi-Fi 6 (802.11ax) deployment in a dense office environment. They need to estimate the maximum theoretical data rate for a single client that supports 2 spatial streams, 80 MHz channel width, and 1024-QAM with a short guard interval. Which data rate is closest to the theoretical maximum?
Select an answer first - 3
What is the primary benefit of using multiple spatial streams in 802.11n/ac/ax?
Select an answer first - 4
Which channel access mechanism is used by 802.11 networks to avoid collisions on the wireless medium?
Select an answer first - 5
Which factor most significantly reduces achievable throughput compared to the theoretical maximum in a real-world 802.11ax network?
Select an answer first
Finished these 5 questions?
Review the revealed explanations, or continue through the curriculum.
Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by Juniper Networks. “JN0-452” is a trademark of its owner, used for identification only.