The Juniper Mist Cloud platform is built on a microservices-based architecture, where individual software components perform specific functions and communicate using well-defined Application Programming Interfaces (APIs).
According to the Juniper Mist Cloud Architecture and Operations Guide:
''Microservices communicate through secure APIs, allowing independent services to interact seamlessly while maintaining modularity and isolation.''
This architectural design provides major operational benefits, including:
Independent scalability -- each service can scale based on workload demand.
Fault isolation -- failures in one service do not affect others.
Continuous deployment -- updates can be made to one service without impacting the rest of the platform.
Incorrect options:
B: Juniper Mist microservices are independently updated, not deployed as one suite.
C: They are independent, not dependent on one another.
D: Each microservice maintains its own data model; they do not rely on a single shared database.
Thus, the correct answer is A. Microservices communicate with each other using APIs.
-- Juniper Mist Cloud Architecture and Operations Guide
When viewing the LATEST UPDATES on the Marvis Actions page, you see an action labeled AI VALIDATED.
What does this status mean?
Answer : A
In the Juniper Mist Marvis Actions dashboard, issues and recommendations are displayed with status labels indicating their progress and resolution method. One of these statuses is AI VALIDATED, which signifies that the issue was automatically detected, diagnosed, and resolved by Marvis AI without requiring manual intervention.
According to the Juniper Mist Marvis Virtual Network Assistant Operations Guide:
''AI VALIDATED indicates that Marvis has confirmed and resolved a network issue autonomously using AI-driven automation and telemetry correlation.''
This means Marvis performed the full troubleshooting cycle---identifying the anomaly, validating its cause, and confirming resolution---based on continuous monitoring and real-time network analytics.
Other statuses include:
UNRESOLVED: Issue is ongoing and needs attention.
RESOLVED: Marked manually by an administrator after resolution.
AI VALIDATED: Confirmed and closed automatically by Marvis AI.
Therefore, the correct answer is A. The issue was identified and resolved entirely by Marvis.
Which statement is true about Radio Resource Management (RRM)?
Answer : D
Radio Resource Management (RRM) is a key feature of Juniper Mist Wireless Assurance that uses AI-driven automation to dynamically adjust radio settings across access points (APs) for optimal wireless performance. The RRM engine ensures proper channel assignment, transmit power control, and interference management across the network.
According to the Juniper Mist Wireless Assurance and AI-Driven RRM Guide, RRM operates in two modes:
Event-Driven RRM:
This mode reacts immediately to real-time changes in the RF environment, such as new access points, interference spikes, or client density changes.
Global Optimization RRM:
This process runs as a scheduled, system-wide optimization once per day to evaluate the overall RF environment and redistribute channels and power settings network-wide for the best balance of coverage and capacity.
The documentation states:
''The RRM global optimization algorithm automatically executes once daily to ensure optimal channel and power planning across all APs.''
Thus, the correct answer is D -- The RRM global optimization system automatically runs once a day.
-- Juniper Mist Wireless Assurance and RRM Configuration Guide
-- Juniper Mist AI-Driven Radio Resource Optimization Documentation
-- Juniper Mist Cloud Operations and RF Management Overview
Referring to the exhibit, which Roaming Classifier is responsible for the sub-threshold SLEs?
Answer : D
In the Juniper Mist dashboard, Service Level Expectations (SLEs) are metrics that measure user experience in key areas such as connection, throughput, and roaming. Each SLE is composed of classifiers, which help identify the underlying cause of degraded performance or sub-threshold scores.
According to the Juniper Mist AI documentation, the Roaming SLE tracks client transitions between access points and evaluates the quality of those roaming events. The contributing classifiers typically include Signal Quality, Wi-Fi Interference, Ethernet, and Capacity.
In this exhibit, the bar for Capacity is the longest under the ''Roaming Classifiers'' section, indicating that it has the most significant impact on the Sub-Threshold SLE value (10.6%). This means roaming performance is primarily being limited by insufficient capacity --- often due to AP radio congestion or a high number of concurrent clients impacting handoff efficiency.
Hence, the Capacity classifier is responsible for the sub-threshold SLEs.
-- Juniper Mist AI Service Level Expectations (SLE) Overview
-- Juniper Mist Dashboard Analytics and SLE Classifiers Guide
Your existing environment has Cisco wireless access points (APs) that use preshared keys to authenticate wireless users. You are asked to enable Juniper Mist Access Assurance for 802.1X (RADIUS) user authentication on these Cisco APs.
How would you accomplish this task?
Answer : C
To enable Juniper Mist Access Assurance for 802.1X (RADIUS) authentication with Cisco APs, the correct approach is to configure a new 802.1X SSID on the Cisco AP referencing your Juniper Mist Edge as the RADIUS server (option C). According to Juniper Mist's official documentation and architecture guides: ''Mist Access Assurance supports end-client authentication on third-party infrastructure by leveraging the Mist Auth Proxy application running on a Mist Edge platform. Third-party devices, such as Cisco APs, are added as RADIUS clients at Mist Edge. The Mist Edge proxy handles all RADIUS authentication traffic from the APs, wraps these authentication requests into a secure RadSec tunnel, and relays them to the Mist Access Assurance cloud for validation against configured authentication rules.''
This deployment does not require direct RADSEC tunneling from Cisco APs to Mist Access Assurance (since Cisco APs are not natively RADSEC capable) but uses Mist Edge as an intermediary RADIUS server and authentication proxy. 'Add an authentication rule in Access Assurance to permit user access,' enabling centralized management and policy enforcement in the Mist Cloud.
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