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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Marvis Virtual Network Assistant | 15% | - Proactive and reactive troubleshooting - Natural language queries and actions - Marvis concepts and capabilities |
| Topic 2: Juniper Mist Location-Based Services | 10% | - Wi-Fi and vBLE location technologies - User engagement and asset tracking - Proximity services and analytics |
| Topic 3: Juniper Mist WLAN Architecture and Deployment | 20% | - Account, organization and site management - Initial setup and access point deployment - API and webhook fundamentals - Mist cloud architecture and components |
| Topic 4: Juniper Mist WLAN Concepts | 20% | - WLAN configuration and security - Multi-PSK and advanced policy features - Wireless intrusion detection and prevention - WxLAN policies and guest services |
| Topic 5: Juniper Mist Network Operations | 15% | - Events, alerts and insights - Monitoring and troubleshooting workflows - Radio Resource Management (RRM) - Wi-Fi Assurance and Service Level Expectations (SLE) |
| Topic 6: Wi-Fi Fundamentals | 20% | - Modulation, coding and channel access - Frequency bands and RF principles - WLAN association, roaming and lifecycle - 802.11 PHY protocols |
JN0-452学習教材は、業界の経験豊富な専門家によって作成されているため、品質と効率を保証できます。 JN0-452学習ガイドの内容は、常に命題法に準拠しています。最良のリファレンスとは言えませんが、あなたを失望させないでしょう。私たちは、試験に合格し、認定資格を取得することに熱心な受験者に最適です。 JN0-452の実際の試験は、証明書を取得するという夢を実現するのに役立ちます。
質問 # 77
When does a Mist AP actually begin transmitting BLE?
正解：B
解説：
Reference: https://www.mist.com/documentation/ble-mac-randomization/
質問 # 78
What does Mist qualify as a rogue AP?
正解：D
解説：
Mist classifies a rogue AP as an unauthorized access point physically connected to your wired network. Unlike neighbor APs or honeypots, a rogue AP presents a direct security risk by providing unauthorized wireless access into your LAN.
質問 # 79
Exhibit:
Referring to the exhibit, which client has the weakest connection to the WLAN?
正解：B
解説：
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.
質問 # 80
You are deploying three WLAN 2.4 GHz networks in your US-based site. You must ensure that each network frequency is unique and does not overlap with the other frequency channels.
In this scenario, which three OFDM channels should be used? (Choose three.)
正解：A、B、C
質問 # 81
An administrator is configuring a new WLAN and wants to ensure that clients with very weak signals cannot connect, in order to protect airtime for other users. Which feature should be used to set a minimum RSSI threshold for initial client association?
正解：C
質問 # 82
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