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Juniper JN0-460 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Mist AI, Specialist (JNCIS-MistAI-Wired) Exam
Exam Number:JN0-460
Exam Format:Multiple Choice, Multiple Response
Exam Duration:90 minutes
Related Certifications:Juniper Mist AI Certifications
JNCIS-ENT
JNCIA-Junos
Available Languages:English
Certificate Validity Period:3 years
Recommended Training:Juniper Learning Portal
Juniper Mist AI Wired Training
Exam Registration:Juniper Certification Registration
Pearson VUE Juniper Exams
Sample Questions:Juniper JN0-460 Sample Questions
Exam Way:Online proctored or test center delivery (Pearson VUE)
Pre Condition:Recommended: JNCIA-Junos or equivalent networking knowledge. Familiarity with enterprise switching and cloud-managed networks is strongly recommended.
Official Syllabus URL:https://www.juniper.net/us/en/training/certification/

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Juniper JN0-460 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Wired Assurance Provisioning or Deployment: This section of the exam measures the skills of Network Deployment Specialists and focuses on the provisioning and deployment processes of Wired Assurance. It includes the essential steps and options involved in setting up networks, from configuration templates to deployment methodologies. Candidates learn about provisioning procedures, supported architectures, and the use of site variables to streamline automation and consistency across wired infrastructures.
Topic 2
  • Campus Fabric Architecture: This section of the exam measures the skills of Network Design Engineers and focuses on understanding and deploying Campus Fabric Architectures. It introduces essential design concepts such as EVPN multihoming, IP Clos architecture, and micro-segmentation. The section also compares CRB and ERB models, explains scaling requirements, and highlights how the Campus Fabric Core-Distribution design supports high-performance, scalable, and secure enterprise networks.
Topic 3
  • Campus EVPN-VXLAN: This section of the exam measures the skills of Data Center Network Engineers and explores the key principles of VXLAN and EVPN technologies. Candidates learn about Layer 2 tunneling, data and control plane operations, and the functions of VTEPs and VXLAN gateways. Additionally, it covers advanced EVPN concepts such as multipath routing, route types, and identifiers. The section concludes with a focus on MAC learning and policy applications to ensure efficient, scalable, and resilient network fabrics.
Topic 4
  • Wired Assurance Fundamentals: This section of the exam measures the skills of Network Support Engineers and covers the foundational elements of Wired Assurance within the MistAI ecosystem. It introduces candidates to key concepts such as supported devices, solution architecture, and the main features and components that define Wired Assurance functionality. Additionally, it highlights how MistAI accounts, analytics, and subscriptions integrate to deliver intelligent insights for network performance and operations.
Topic 5
  • Wired Assurance Management or Operations: This section of the exam measures the skills of Network Operations Engineers and focuses on the management and operational aspects of Wired Assurance. It covers switch management, port profiles, and dynamic port configuration to ensure optimal network performance. The section also explores service-level expectations, client insights, and the use of APIs for improved monitoring and automation. Candidates gain an understanding of how MistAI enables proactive management and predictive troubleshooting to maintain service quality.

Juniper Mist AI Wired, Specialist (JNCIS-MistAI-Wired) Sample Questions (Q15-Q20):

NEW QUESTION # 15
Ethernet Segment Identifiers (ESI) in EVPN are crucial for:

Answer: B


NEW QUESTION # 16
Which statement is correct about the VXLAN data plane?

Answer: A

Explanation:
VXLAN (Virtual Extensible LAN) uses an overlay encapsulation method to carry Layer-2 frames over an IP underlay. This functionality is part of the data plane, which is responsible for packet forwarding and encapsulation/decapsulation.
"In an EVPN-VXLAN fabric, the control plane (via BGP EVPN) learns and advertises MAC and IP information, while the data plane encapsulates and forwards traffic using VXLAN tunnels between VTEPs." Option A is incorrect: IP learning happens in the control plane, not the data plane.
Option B is incorrect: MAC advertisement is done in the control plane through EVPN route types.
Option D is incorrect: MAC learning is handled by EVPN control plane, not the VXLAN data plane.
Option C is correct: the VXLAN data plane encapsulates the traffic in UDP tunnels between VTEPs.
References:
Juniper Mist AI for Wired - EVPN-VXLAN Overview
Juniper Validated Design - EVPN-VXLAN Control and Data Plane Separation Junos OS EVPN-VXLAN Deployment Guide


NEW QUESTION # 17
Which subscription is required to use Marvis?

Answer: C

Explanation:
Marvis is Juniper's Virtual Network Assistant (VNA) that leverages AI to provide natural language queries, anomaly detection, and proactive troubleshooting across wireless, wired, and WAN networks.
"Marvis, the AI-driven Virtual Network Assistant, requires a Virtual Network Assistant subscription. The subscription enables Marvis to provide insights, recommendations, and natural language queries for Mist- managed networks." Option A (Access Assurance) is related to NAC/802.1X enforcement.
Option B (IoT Assurance) applies to profiling and securing IoT devices.
Option D (Wired Assurance) enables switch telemetry, onboarding, and assurance, but does not unlock Marvis.
Option C (Virtual Network Assistant) is correct - this subscription is required to enable Marvis AI.
References:
Juniper Mist Subscriptions Guide
Juniper Mist AI for Wired - Marvis Virtual Network Assistant Overview
Juniper Licensing and Subscription Matrix


NEW QUESTION # 18
You are planning to deploy a fabric in your large campus with 10,000+ users. You will have both Layer 2 and Layer 3 devices that connect to your access switches. In this scenario, which campus architecture should you use?

Answer: D

Explanation:
According to Juniper's Validated Designs (JVD) for campus fabrics, the Campus Fabric IP Clos (often referred to as a 5-stage Clos) is the architecture specifically engineered for high-scale environments supporting 10,000+ users. This design is characterized by extending the EVPN control plane and VXLAN data plane all the way to the access layer. By terminating VXLAN tunnels at the access switch-functioning as a Virtual Tunnel Endpoint (VTEP)-the network can seamlessly support both Layer 2 and Layer 3 devices directly at the edge of the fabric.
The primary driver for choosing IP Clos in large-scale deployments is its superior scalability. In this model, the core switches are shielded from the massive table sizes required to learn thousands of individual endpoint MAC and IP addresses. Instead, core devices only need to maintain reachability to the loopback addresses of the access layer switches. This reduction in the "flood and learn" pressure on the core is critical as the number of endpoints grows, ensuring that the core can scale far into the future with predictable growth.
Additionally, the IP Clos architecture provides the most flexible environment for microsegmentation using Group-Based Policies (GBP) and macrosegmentation using Virtual Routing and Forwarding (VRF) instances. Since routing occurs at the access device, "east-west" traffic between local endpoints remains efficient and does not need to traverse the distribution or core tiers. While EVPN Multihoming and Core- Distribution (CRB/ERB) models are effective for smaller sites or brownfield environments where access switches are legacy Layer 2-only devices, only the IP Clos architecture provides the end-to-end VXLAN capability required for high-density, future-proof campus fabrics.


NEW QUESTION # 19
Which three switch testing tools are available when using Wired Assurance?(Choose three.)

Answer: A,D,E

Explanation:
According toJuniper Mist Wired Assurance documentation, three built-in diagnostic tools available for testing switch functionality areBounce Port,Ping, andCable Test.
Bounce Portallows you to disable and re-enable a port to reset connectivity.
Pingverifies Layer 3 reachability between the switch and target IPs.
Cable Testperforms diagnostics to detect wiring faults, impedance mismatches, or cable lengths.
These tools are accessed directly from theSwitch Testing Toolssection in the Mist dashboard and are available for EX Series and QFX Series switches onboarded to the Mist cloud.
References:Juniper Mist Wired Assurance - Switch Testing Tools Documentation


NEW QUESTION # 20
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