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| Section | Weight | Objectives |
|---|---|---|
| Juniper Mist Location-Based Services | 10% | - Wi-Fi and vBLE location technologies - Proximity services and analytics - User engagement and asset tracking |
| Marvis Virtual Network Assistant | 15% | - Natural language queries and actions - Proactive and reactive troubleshooting - Marvis concepts and capabilities |
| Juniper Mist Network Operations | 15% | - Monitoring and troubleshooting workflows - Wi-Fi Assurance and Service Level Expectations (SLE) - Events, alerts and insights - Radio Resource Management (RRM) |
| Wi-Fi Fundamentals | 20% | - Modulation, coding and channel access - Frequency bands and RF principles - WLAN association, roaming and lifecycle - 802.11 PHY protocols |
| Juniper Mist WLAN Architecture and Deployment | 20% | - Mist cloud architecture and components - Initial setup and access point deployment - Account, organization and site management - API and webhook fundamentals |
| 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 |
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NEW QUESTION # 133
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?
Answer: B
NEW QUESTION # 134
Which signal modulation scheme provides the highest data rate level for 802.11ax devices?
Answer: D
Explanation:
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.
NEW QUESTION # 135
Which two statements are true about 802.1X/EAP? (Choose two.)
Answer: B,C
Explanation:
According to Wikipedia1, 802.1X is an IEEE Standard for port-based network access control (PNAC). It provides an authentication mechanism to devices wishing to attach to a LAN or WLAN using Extensible Authentication Protocol (EAP) over wired IEEE 802 networks and over 802.11 wireless networks, which is known as "EAP over LAN" or EAPOL.
The authentication process involves three parties: a supplicant (the client device), an authenticator (the network device such as an access point), and an authentication server (typically a RADIUS server). The supplicant must provide valid credentials to the authenticator before it can access the network resources.
The credentials are exchanged with a RADIUS server prior to the 4-way Handshake because the 4-way Handshake is used to establish encryption keys between the supplicant and authenticator after successful authentication2. The credentials are exchanged with a RADIUS server after the 802.11 Association because the 802.11 Association is used to establish a logical link between the supplicant and authenticator before authentication can take place3.
NEW QUESTION # 136
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.)
Answer: A,C,D
Explanation:
When deploying three WLAN 2.4 GHz networks in your US-based site while ensuring that each network frequency is unique and does not overlap with other frequency channels, you should use OFDM channels 1, 6 and 11. So the correct answers are B.1, D.6, and A.11.
NEW QUESTION # 137
Under which hierarchy level would you create a new site configuration?
Answer: D
NEW QUESTION # 138
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