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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security and Authentication | 15% | - Describe BYOD and device onboarding - Describe captive portal configuration - Describe RADIUS integration - Describe wireless security concepts (WPA2/WPA3) - Configure 802.1X authentication |
| Topic 2: Mist AI and the Wired to Wireless Enterprise | 15% | - Describe the benefits of AI-driven operations - Describe the challenges of traditional wireless architectures - Describe the Mist cloud architecture and portal - Describe the components of Mist AI for wireless |
| Topic 3: Troubleshooting and Analytics | 20% | - Describe Marvis AI capabilities - Troubleshoot wireless performance issues - Describe event and alarm management - Troubleshoot connectivity issues using Mist portal - Describe client troubleshooting tools - Analyze wireless coverage and capacity |
| Topic 4: Site Deployment | 20% | - Perform AP assignment and configuration - Describe Virtual Network (VN) concepts - Describe WLAN configuration - Perform site creation and configuration - Describe AAA server concepts and configuration - Describe SSID and security configuration - Describe the site deployment workflow |
| Topic 5: WLAN Configuration | 15% | - Configure radio settings and RF profiles - Configure rate limiting and traffic shaping - Configure band steering and client load balancing - Describe RRM and Radio Resource Management - Describe Access Category (AC) and QoS concepts |
| Topic 6: Access Points and Antennas | 15% | - Describe AP mounting options - Describe AP model families and capabilities - Describe antenna types and selection criteria - Describe AP power options (PoE, DC) - Describe AP deployment considerations |
| Topic 7: Advanced Features and API | 0% | - Describe Mist API structure and capabilities - Describe location services and features - Describe Bluetooth Low Energy (BLE) and IoT integration - Describe webhook and third-party integrations |
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質問 # 54
Which signal modulation scheme provides the highest data rate level for 802.11ax devices?
正解：D
解説：
In Juniper Networks Mist AI Wireless, understanding modulation schemes is essential for designing and operating high-performance Wi-Fi 6 (802.11ax) networks. Modulation directly affects how much data can be transmitted per symbol, and therefore determines the maximum achievable data rates under optimal RF conditions.
802.11ax introduces 1024-QAM (Quadrature Amplitude Modulation) as its highest supported modulation scheme. With 1024-QAM, each symbol encodes 10 bits of data, which represents a significant increase compared to earlier standards. For reference:
* 64-QAM (used in earlier standards) carries 6 bits per symbol
* 256-QAM (introduced in 802.11ac) carries 8 bits per symbol
* 1024-QAM increases this to 10 bits per symbol
This higher bit density allows Wi-Fi 6 devices to achieve higher peak throughput, especially in environments with excellent signal quality. However, 1024-QAM requires very high Signal-to-Noise Ratio (SNR) and low interference to function reliably. As a result, it is typically achieved only when clients are close to the access point and RF conditions are clean.
Mist AI Wireless continuously monitors client RSSI, SNR, retransmissions, and modulation rates through advanced telemetry. Using this data, Mist can determine whether clients are successfully operating at higher modulation levels like 1024-QAM or are falling back to lower schemes due to RF impairments. This insight directly feeds into SLEs and AI-driven recommendations for RF tuning, AP placement, and channel planning.
The incorrect options are explained as follows:
* 64-QAM and 256-QAM are valid modulation schemes but do not provide the highest data rates in
802.11ax.
* 4096-QAM is not supported by the 802.11ax standard and is therefore invalid.
Thus, 1024-QAM is the modulation scheme that provides the highest data rate level for 802.11ax devices.
質問 # 55
According to the Coverage SLE, which classifier tracks an AP that transmits at a lower data rate than a connected client?
正解：D
解説：
According to the Virtual Network Assistant | Juniper Networks US document, Asymmetry Downlink is a classifier under the Coverage SLE that tracks an AP that transmits at a lower data rate than a connected client.
This can indicate poor coverage or interference issues that affect downlink performance.
References: https://www.juniper.net/us/en/products/cloud-services/virtual-network-assistant.html
質問 # 56
A malicious user tricks users by broadcasting the same SSID that matches the legitimate AP in your corporate network. How does Juniper Mist classify this type of AP?
正解：D
解説：
In the context of Juniper Mist WxLAN Security and Rogue AP detection, Mist AI categorizes surrounding access points into specific buckets based on their behavior and their connection to the local network infrastructure. Understanding the distinction between a Rogue AP and a Honeypot AP is essential for proper security posture.
A Honeypot AP (C) is specifically defined as an unauthorized access point that is broadcasting one of your organization's protected SSIDs (or a very similar one) but is not physically connected to your wired network.
This is a classic "Evil Twin" attack where a malicious actor attempts to trick corporate users into connecting to a fake signal. Because the clients' devices are often programmed to auto-associate with known SSIDs, they may unknowingly connect to the Honeypot AP, allowing the attacker to intercept traffic, perform man-in-the- middle attacks, or harvest credentials. Mist APs use their dedicated scanning radio (found in the AP43, AP45, and similar models) to constantly monitor the airwaves for these spoofed SSIDs.
In contrast, a Rogue AP (D) is an unauthorized AP that is physically connected to your corporate wired network (LAN). Mist identifies these by correlating the MAC addresses seen on the air with those seen on the wired switch ports. A Neighbor AP (B) is simply an AP from a nearby business that is broadcasting its own unique SSID and is not connected to your network; these are ignored by security alerts.
By classifying the threat as a Honeypot, Mist AI informs the administrator that the threat is external to the wired infrastructure but poses a direct risk to client data. Mist can even be configured to take automated action, such as sending de-authentication frames to prevent clients from successfully staying connected to the malicious Honeypot AP.
質問 # 57
A large venue is deploying a vBLE-based wayfinding solution. The design includes long corridors where Wi-Fi coverage is not a primary concern, but continuous and accurate BLE location is essential. To save on costs and switch ports, the administrator wants to use BLE-only devices and power multiple devices from a single PoE switch port.
Which Mist AP model and deployment method are best suited for this scenario? (Select all that apply.)
正解：B、D
質問 # 58
Which two statements are correct about Juniper Mist Dynamic Packet Capture? (Choose two.)
正解：C、D
解説：
Two correct statements about Juniper Mist Dynamic Packet Capture are that no configuration is necessary for Mist's Dynamic Packet Capture and it is automatically attached to a client event displayed on the Insights page. So the correct answers are A. No configuration is necessary for Mist's Dynamic Packet Capture and B.
It is automatically attached to a client event displayed on the Insights page.
質問 # 59
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