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| Section | Weight | Objectives |
|---|---|---|
| Advanced Features and API | 0% | - Describe Mist API structure and capabilities - Describe webhook and third-party integrations - Describe location services and features - Describe Bluetooth Low Energy (BLE) and IoT integration |
| WLAN Configuration | 15% | - Configure band steering and client load balancing - Describe Access Category (AC) and QoS concepts - Describe RRM and Radio Resource Management - Configure rate limiting and traffic shaping - Configure radio settings and RF profiles |
| Mist AI and the Wired to Wireless Enterprise | 15% | - Describe the challenges of traditional wireless architectures - Describe the Mist cloud architecture and portal - Describe the components of Mist AI for wireless - Describe the benefits of AI-driven operations |
| Access Points and Antennas | 15% | - Describe AP deployment considerations - Describe AP power options (PoE, DC) - Describe antenna types and selection criteria - Describe AP model families and capabilities - Describe AP mounting options |
| Troubleshooting and Analytics | 20% | - Describe client troubleshooting tools - Describe event and alarm management - Describe Marvis AI capabilities - Troubleshoot wireless performance issues - Troubleshoot connectivity issues using Mist portal - Analyze wireless coverage and capacity |
| Security and Authentication | 15% | - Describe BYOD and device onboarding - Describe RADIUS integration - Describe wireless security concepts (WPA2/WPA3) - Configure 802.1X authentication - Describe captive portal configuration |
| Site Deployment | 20% | - Describe SSID and security configuration - Describe Virtual Network (VN) concepts - Describe AAA server concepts and configuration - Describe the site deployment workflow - Describe WLAN configuration - Perform site creation and configuration - Perform AP assignment and configuration |
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NEW QUESTION # 125
Exhibit:
Referring to the exhibit, which client has the weakest connection to the WLAN?
Answer: A
Explanation:
InJuniper Networks Mist AI Wireless, the strength and quality of a client's wireless connection are primarily evaluated usingRSSI (Received Signal Strength Indicator)andSNR (Signal-to-Noise Ratio).
These two metrics are core inputs into multiple Wireless Assurance SLEs, including Coverage and Throughput, and are reliable indicators when determining which client has the weakest WLAN connection.
From the exhibit, the key metrics for each client are:
* Client 1: RSSI-81 dBm, SNR11 dB
* Client 2: RSSI -71 dBm, SNR 21 dB
* Client 3: RSSI -67 dBm, SNR 25 dB
* Client 4: RSSI -70 dBm, SNR 22 dB
In wireless design,lower (more negative) RSSI values indicate weaker signal strength, andlower SNR values indicate poorer signal qualitydue to higher relative noise. Among all listed clients,Client 1 clearly has the weakest connection, as it has both:
* Thelowest RSSI(-81 dBm), indicating it is farthest from the AP or experiencing significant attenuation.
* Thelowest SNR(11 dB), which suggests the signal is only marginally stronger than the background noise.
Mist best practices typically consider RSSI values below -70 dBm and SNR values below ~20 dB as suboptimal for reliable performance, especially for higher modulation schemes. Client 1 falls well below these thresholds, making it the most likely to experience low data rates, retransmissions, and degraded user experience.
Mist AI would flag this client as having poor coverage and may recommend actions such as:
* Improving AP placement or density
* Adjusting RF power or channel plans
* Enforcing minimum RSSI thresholds
Therefore, based on both RSSI and SNR,Client 1has the weakest WLAN connection, makingOption Dthe correct answer.
NEW QUESTION # 126
When designing a wireless network for a high-density environment like a lecture hall, which Mist AP feature is specifically designed to optimize performance by dynamically adjusting channel and power settings based on real-time RF conditions?
Answer: C
NEW QUESTION # 127
At which signal strength level range will an extra AP placed on the same channel cause co-channel contention?
Answer: B
Explanation:
In the context of Juniper Mist AI and high-performance wireless design,Co-Channel Contention (CCC)- often referred to as Co-Channel Interference (CCI)-occurs when two or more access points (APs) share the same frequency channel and are within "hearing" distance of one another.1The key to understanding this specific range lies in the802.11 CSMA/CAmechanism, specifically theClear Channel Assessment (CCA) process.
When a Mist AP or a client device wants to transmit, it first performs a CCA. If it detects a Wi-Fi preamble from another device on the same channel at a signal strength above theSignal Detect (SD)threshold (typically around -82 to -85 dBm for many radios, though performance drops much sooner), it must defer its transmission. However, for "contention" to become a significant performance bottleneck that triggers Mist SLE alerts, the signal strength usually falls within the-45 dBm to -65 dBmrange.
In this range, the signals are strong enough that the APs are effectively "in the same room" or nearby rooms, meaning they will constantly see the medium as "busy" whenever the other AP is transmitting. This effectively merges the two APs into a single contention domain, forcing them to share the total available airtime. For example, if two APs on the same channel both see each other at -60 dBm, they cannot transmit simultaneously; instead, they must take turns.
Mist'sRadio Resource Management (RRM)and theCapacity SLEspecifically monitor for these overlapping BSS (OBSS) conditions. If the AI detects that an AP is seeing a neighbor on the same channel at these high signal levels, it will attempt to change the channel or reduce transmit power to "shrink" the cell size, aiming to push the neighbor's signal strength below the point where it causes constant deferrals, thereby improving the overall capacity and user experience for the site.
NEW QUESTION # 128
By default, which 6 GHz channels does Juniper Mist radio resource management (RRM) use?
Answer: D
Explanation:
In Juniper Networks Mist AI Wireless, Radio Resource Management (RRM) is designed to optimize RF performance automatically while minimizing client impact. With the introduction of Wi-Fi 6E and the 6 GHz band, Juniper Mist follows industry standards and client behavior to ensure efficient and reliable operation. By default, Mist RRM uses the Preferred Scanning Channels (PSCs) in the 6 GHz spectrum.
The 6 GHz band introduces a very large number of available channels, which creates challenges for client discovery, scanning efficiency, and roaming speed. To address this, the IEEE defined Preferred Scanning Channels (PSCs)-a specific subset of 6 GHz channels that access points advertise and clients prioritize during active and passive scanning. These PSCs allow clients to discover networks faster without having to scan the entire 6 GHz channel set.
Juniper Mist RRM automatically selects and operates on these PSCs by default to:
* Improve client discovery and association times
* Reduce unnecessary scanning overhead
* Enhance roaming performance
* Maintain compatibility across a wide range of Wi-Fi 6E client devices Mist continuously evaluates RF conditions using telemetry and AI-driven analysis, but it intentionally limits default operation to PSCs to balance performance, efficiency, and client interoperability. Administrators can override defaults and customize channel plans if required, but PSCs remain the recommended baseline for most deployments.
The incorrect options are explained as follows:
* Option B is incorrect because Mist RRM does not require manual primary channel selection by default.
* Option C refers to 2.4 GHz non-overlapping channels, not 6 GHz.
* Option D represents the full 6 GHz channel range, which is not practical for default scanning or operation due to client limitations.
Therefore, the correct answer is the preferred scanning channels (PSCs), which Juniper Mist RRM uses by default in the 6 GHz band to ensure optimal Wi-Fi 6E performance.
NEW QUESTION # 129
An administrator needs to create a high-availability Mist Edge deployment for a campus. The goal is to have all Mist Edge appliances actively forwarding traffic and to have APs automatically rebalance and fail over if one appliance goes down. The appliances are all located in the same data center and share the same Layer 2 network.
Which Mist Edge deployment model should be configured?
Answer: A
NEW QUESTION # 130
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