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| Section | Objectives |
|---|---|
| Security and Access Control | - Policy enforcement and segmentation - Authentication methods (802.1X, PSK) |
| Troubleshooting and Operations | - Client connectivity troubleshooting - Wireless performance optimization |
| Wireless LAN Fundamentals | - 802.11 standards and RF basics - Channel planning and RF behavior |
| Mist AI Architecture and Components | - Access points, gateways, and management models - Mist Cloud architecture overview |
| Mist AP Configuration and Deployment | - SSID configuration and policy application - Site creation and AP onboarding |
| AI-Driven Assurance and Marvis | - Marvis AI assistant capabilities - Network insights and anomaly detection |
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NEW QUESTION # 32
At which signal strength level range will an extra AP placed on the same channel cause co- channel contention?
Answer: D
Explanation:
Co-channel contention occurs when an additional AP operates on the same channel within a strong signal range. At -45 dBm to -65 dBm, the AP signals are strong enough to overlap significantly, forcing clients and APs to share airtime and causing contention rather than interference.
NEW QUESTION # 33
You connect your Juniper Access Point to your switch and verify that the power is on, your Ethernet link is functioning, and an IP address is properly assigned. However, your access point is not appearing as connected on the Juniper Mist dashboard as the LED blink code indicates no cloud connectivity.
What would be the next step in determining the problem?
Answer: B
Explanation:
A Juniper AP requires DNS resolution and HTTPS access to reach the Mist cloud. Since the AP has power, Ethernet, and an IP address but shows no cloud connectivity, the next step is to verify that DNS over UDP 53 and HTTPS over TCP 443 are allowed through the enterprise firewall.
NEW QUESTION # 34
You discover that some clients do not use all channels in the 5 GHz UNII-2 Extended frequency band and you have made the appropriate adjustments in the RF template. How do you implement these changes?
Answer: D
Explanation:
After adjusting the RF template, you apply the changes by running Optimize Now, which triggers Mist's radio resource management to reassign channels and power settings. This ensures clients can use the full 5 GHz UNII-2 Extended band without requiring AP or client restarts.
NEW QUESTION # 35
You are asked to perform a site survey on your enterprise by using a Juniper Access Point (AP) that is fully functional and visible by the Juniper Mist cloud. Your enterprise provides you with the portable equipment for elevating the Juniper AP and a battery that properly powers it. In this scenario, how would you ensure that the Juniper AP will be fully functional for site survey purposes?
Answer: C
Explanation:
In a traditional deployment, aJuniper Mist Access Pointis a "cloud-first" device, meaning it expects a constant connection to the Mist Cloud to receive configuration updates and report telemetry. When performing an "AP-on-a-Stick" (APoS) site survey, the AP is often powered by a battery pack and moved to various locations where an active Ethernet backhaul or Internet connection is unavailable.3To ensure the AP continues to broadcast the required SSIDs for signal measurement in this "disconnected" state, two specific settings must be adjusted within the Mist dashboard.
First,AP Config Persistencemust be enabled. By default, Mist APs store their configuration in volatile memory; if an AP reboots (which happens when switching battery packs or moving locations) and cannot reach the Mist Cloud, it may fail to reload its previous configuration. Enabling Config Persistence ensures that the AP writes its current configuration to non-volatile flash memory, allowing it to boot up and start broadcasting the programmed SSIDs even in the absence of a cloud connection.4 Second,AP Uplink Monitoringmust be disabled. Mist APs are designed with a safety mechanism where, if the AP loses its gateway connectivity (eth0 link or ping to the gateway), it will stop broadcasting SSIDs to prevent "black-holing" client traffic. In a site survey scenario, the Ethernet port is typically connected only to a battery or a passive PoE injector with no data path.5If Uplink Monitoring remains active, the AP will detect the lack of a backhaul and disable its radios, making the survey impossible. By disabling this feature, the AP is forced to keep its radios active regardless of the uplink status. Together, these two settings allow the AP to function as a standalone signal source, which is essential for accurate RF environment mapping and pre- deployment validation using Mist AI hardware.
NEW QUESTION # 36
Which Juniper AP is used to augment BLE coverage?
Answer: D
Explanation:
In the Juniper Mist AI product portfolio, the BT11 is a specialized, enterprise-grade access point designed exclusively for Bluetooth Low Energy (BLE).4 Unlike the other access points in the Juniper Mist family (such as the AP12, AP24, and AP34), the BT11 does not contain Wi-Fi radios.5 Its sole purpose is to provide high-accuracy, enterprise-grade location-based services (LBS) by leveraging Juniper's patented 16- element virtual BLE (vBLE) antenna array.6 The primary use case for the BT11 is to augment BLE coverage in environments where Wi-Fi connectivity is already established by other APs, but the density of those APs is insufficient for precise location services.
For applications like turn-by-turn wayfinding or asset tracking, the RF requirements for BLE are often more stringent than those for Wi-Fi. A facility might have enough Wi-Fi APs to provide data coverage, but may have "location holes" where the BLE signals are too sparse for 1-3 meter accuracy. By deploying BT11 units in these gaps, administrators can extend the reach of the location engine without the expense of adding full- featured Wi-Fi radios where additional capacity is not needed.7 The BT11 communicates directly with the Mist Cloud to manage virtual beacons, which eliminate the need for physical, battery-powered beacons and manual calibration.8 Because it runs on Power over Ethernet (PoE) and integrates seamlessly with the Mist AI engine, it provides a scalable and cost-effective way to ensure continuous, high-fidelity BLE coverage across a campus, hospital, or retail floor.
NEW QUESTION # 37
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