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| Section | Objectives |
|---|---|
| Topic 1: Troubleshooting and Operations | - Client connectivity troubleshooting - Wireless performance optimization |
| Topic 2: Wireless LAN Fundamentals | - 802.11 standards and RF basics - Channel planning and RF behavior |
| Topic 3: Security and Access Control | - Policy enforcement and segmentation - Authentication methods (802.1X, PSK) |
| Topic 4: Mist AP Configuration and Deployment | - SSID configuration and policy application - Site creation and AP onboarding |
| Topic 5: Mist AI Architecture and Components | - Mist Cloud architecture overview - Access points, gateways, and management models |
| Topic 6: AI-Driven Assurance and Marvis | - Marvis AI assistant capabilities - Network insights and anomaly detection |
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NEW QUESTION # 129
What is the purpose of a WxLAN policy in the Mist dashboard?
Answer: C
Explanation:
WxLAN policies provide identity- and context-based microsegmentation, allowing administrators to control what resources wireless clients can access based on user role, device type, or other attributes, without relying solely on VLAN segmentation.
NEW QUESTION # 130
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: A
Explanation:
InJuniper Networks Mist AI Wireless, the behavior described in this scenario is explained bydynamic rate shifting. Dynamic rate shifting is the mechanism by which a wireless client and access point automatically adjust themodulation and coding scheme (MCS)based on current RF conditions to maintain a reliable connection.
When a client is close to an access point, RF conditions are optimal-high RSSI, high signal-to-noise ratio (SNR), and low error rates-allowing the client to use higher-order modulation schemes such as1024-QAM (in 802.11ax). These modulation schemes deliver higher throughput but require very clean RF conditions. As the client moves farther away from the AP, signal strength decreases and noise becomes more impactful, increasing frame errors and retransmissions.
Dynamic rate shifting continuously evaluates transmission success, retry rates, and acknowledgments. When errors increase, the client steps down tolower modulation rates(for example, from 1024-QAM to 256-QAM or 64-QAM) that are more resilient to reduced signal quality. This trade-off sacrifices peak throughput in favor ofconnection stability and reliability.
The other options describe contributing factors, but not the mechanism itself:
* RSSIindicates signal strength but does not control rate selection.
* SNRinfluences modulation decisions but is not the adaptive process.
* Free space path lossexplains why signal weakens over distance but does not describe how rates are adjusted.
Mist AI Wireless monitors modulation rates, retries, and throughput via advanced telemetry and uses this data in Wireless Assurance SLEs to highlight RF and performance issues. However, the actual process of stepping up or down transmission rates in response to changing RF conditions is governed bydynamic rate shifting.
Therefore, the correct answer isC. Dynamic rate shifting.
NEW QUESTION # 131
Which statement correctly describes adjacent channel interference (ACI)?
Answer: C
Explanation:
Adjacent Channel Interference (ACI) occurs when access points are configured on partially overlapping channels. This causes interference because transmissions from one channel spill into the frequency range of the adjacent channel, degrading performance.
NEW QUESTION # 132
You want to identify APs that are not associated with your network. However, the APs broadcast your corporate login page and WLAN name.
What does Mist use to identify APs in this scenario?
Answer: C
NEW QUESTION # 133
A university wants to analyze student traffic patterns in the library to optimize staffing and resource placement. They need to see how many people are in different sections of the library (e.g., "Quiet Study Area," "Group Collaboration Zone") and for how long.
Which Mist LBS feature should be configured on the floorplan to enable this type of analytics?
Answer: B
NEW QUESTION # 134
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