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| Section | Objectives |
|---|---|
| Wireless LAN Fundamentals | - 802.11 standards and RF basics - Channel planning and RF behavior |
| Mist AP Configuration and Deployment | - SSID configuration and policy application - Site creation and AP onboarding |
| AI-Driven Assurance and Marvis | - Network insights and anomaly detection - Marvis AI assistant capabilities |
| Troubleshooting and Operations | - Wireless performance optimization - Client connectivity troubleshooting |
| Security and Access Control | - Authentication methods (802.1X, PSK) - Policy enforcement and segmentation |
| Mist AI Architecture and Components | - Mist Cloud architecture overview - Access points, gateways, and management models |
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NEW QUESTION # 74
An administrator configures a WLAN with 802.1X authentication pointing to a RADIUS server.
What is the primary role of the Mist AP in this transaction?
Answer: D
NEW QUESTION # 75
A wireless client tries to use the highest modulation method available to have optimal throughput. When the wireless client moves further away from the access point, the signal is not strong enough. Consequently, it will step down the speed based on the modulation available at that distance from the AP.
Which mechanism would explain this scenario?
Answer: D
NEW QUESTION # 76
Which statement correctly describes adjacent channel interference (ACI)?
Answer: C
Explanation:
In wireless networking,Adjacent Channel Interference (ACI)occurs when two or more access points transmit onpartially overlapping RF channels, causing their signals to interfere with one another. In the context ofJuniper Networks Mist AI Wireless, ACI is a critical RF condition that negatively impacts client performance and service-level expectations (SLEs).
ACI is most commonly observed in the2.4 GHz band, where only three non-overlapping channels (1, 6, and
11) are available. When access points are configured on channels such as 1 and 3, or 6 and 8, their frequency spectra overlap. This overlap results in corrupted frames, increased retransmissions, higher latency, and reduced throughput for connected clients. Unlike co-channel interference, ACI introducesuncoordinated interference, which is more damaging to overall network efficiency.
Mist AI Wireless continuously analyzes RF telemetry collected from access points and clients to identify ACI conditions. Using machine learning and RF intelligence, Mist can detect excessive retries, PHY errors, and degraded airtime efficiency associated with overlapping channels. These findings are surfaced throughMarvis AI insightsand RF-related SLE degradation indicators, allowing operators to quickly identify misconfigurations.
The incorrect options can be explained as follows:
* Option Adescribes a properly designed RF environment with non-overlapping channels, which does not cause ACI.
* Option Crefers toco-channel interference (CCI), where access points share the same channel and rely on contention-based access mechanisms.
* Option Dis too broad; simply operating in the 2.4 GHz band does not inherently cause ACI unless overlapping channels are used.
To mitigate ACI, Mist best practices recommend usingnon-overlapping channels, minimizing channel width, and favoring the5 GHz and 6 GHz bandswhere more clean spectrum is available. Therefore, the correct description of ACI istwo or more access points operating on overlapping channels.
NEW QUESTION # 77
Which 802.11 amendment is also known as Wi-Fi 5 and was the first to introduce features like 80 MHz channel widths and multi-user MIMO (MU-MIMO) on the downlink?
Answer: D
NEW QUESTION # 78
From the Mist Marvis Minis dashboard you notice a failed test. When viewing the current test result, all tests passed except for the Application test. What would be a reason for the failed test?
Answer: B
Explanation:
In Marvis Minis, if all tests (DHCP, ARP, DNS) succeed but the Application test fails, it indicates that connectivity to the application itself is blocked. A common cause is a firewall rule preventing access, while basic network services remain functional.
NEW QUESTION # 79
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