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| Section | Objectives |
|---|---|
| Troubleshooting and Operations | - Wireless performance optimization - Client connectivity troubleshooting |
| Mist AP Configuration and Deployment | - Site creation and AP onboarding - SSID configuration and policy application |
| AI-Driven Assurance and Marvis | - Marvis AI assistant capabilities - Network insights and anomaly detection |
| Wireless LAN Fundamentals | - 802.11 standards and RF basics - Channel planning and RF behavior |
| 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 # 136
A client calls you to troubleshoot possible interference with your wireless network. Before you drive to the customer's site to investigate, you want to quickly verify if there is actually any interference at all. In this scenario, which SLE is responsible for this interference?
Answer: A
Explanation:
In the Juniper Mist AI ecosystem,Service Level Expectations (SLEs)provide a proactive way to monitor the health of a wireless network from the perspective of the end-user. When investigating potential interference- whether it is from neighboring Wi-Fi networks or non-Wi-Fi sources like microwaves or motion sensors-the Capacity SLEis the primary metric to analyze. While interference certainly impacts the overallThroughput SLE, Mist categorizes the specific environmental factors that limit airtime availability under the "Capacity" umbrella.
The Capacity SLE tracks "user minutes" during which a client experiences a drop in available RF channel capacity. It is specifically designed to identify why a client might be struggling to transmit data despite having a strong signal. Within the Capacity SLE block, Mist provides granularclassifiersthat pinpoint the root cause of the capacity degradation. These classifiers include:
* Wi-Fi Interference:This identifies airtime contention caused by other 802.11 networks (Co-Channel Interference or Adjacent Channel Interference).
* Non-Wi-Fi Interference:This identifies energy from non-802.11 sources detected by the AP's dedicated scanning radio.
* Client Count:High density leading to contention.
* Client Usage:A single "bandwidth hog" consuming the available airtime.
By checking the Capacity SLE in the Mist dashboard before heading to a site, an administrator can see a historical timeline of interference events. If the "Wi-Fi Interference" or "Non-Wi-Fi Interference" classifiers show a high percentage of "Bad User Minutes," the administrator can confirm that the client's complaint is indeed valid. This allows for remote troubleshooting and may even enable the admin to resolve the issue by adjusting Radio Resource Management (RRM) settings or identifying a specific rogue device, potentially saving an unnecessary truck roll.
NEW QUESTION # 137
When does a Mist AP actually begin transmitting BLE?
Answer: A
Explanation:
According to the Location - how it works - Mist document1, a Mist AP actually begins transmitting BLE when it is placed on a floor plan. This is because the Mist cloud uses the floor plan information to calculate the optimal BLE transmission pattern for each AP.
References: https://www.mist.com/documentation/location-how-it-works/
NEW QUESTION # 138
Which two fields are required when creating a new site? (Choose two.)
Answer: A,C
NEW QUESTION # 139
You are viewing the "Successful Connects" Service Level Expectation (SLE) dashboard. Which metric is NOT part of the classifiers for this SLE?
Answer: D
NEW QUESTION # 140
Which two Mist Aps would be used for BLE location? (Choose two.)
Answer: C,D
Explanation:
According to the JNCIS-MistAI Certification page2, two Mist APs that would be used for BLE location are AP33 and AP43. These are the only two models that support vBLE array technology, which enables accurate location services without physical beacons.
References: https://www.juniper.net/us/en/training/certification/tracks/mist-ai/jncis-mistai.html
NEW QUESTION # 141
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