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[General] 100% Pass Juniper - JN0-460 - Perfect Top Mist AI Wired, Specialist (JNCIS-MistA

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【General】 100% Pass Juniper - JN0-460 - Perfect Top Mist AI Wired, Specialist (JNCIS-MistA

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Juniper JN0-460 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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.
Topic 2
  • 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 3
  • 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 4
  • 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 5
  • 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.

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Juniper Mist AI Wired, Specialist (JNCIS-MistAI-Wired) Sample Questions (Q55-Q60):NEW QUESTION # 55
You are asked to configure switch ports to VLANs depending on which type of device is connected to it.
Which Mist feature will accomplish this task?
  • A. bulk upload of switch configuration
  • B. site variables
  • C. select switch configuration
  • D. dynamic port configuration
Answer: D
Explanation:
According to Juniper Mist documentation, Dynamic Port Configuration (DPC)-also referred to as Dynamic Port Profiles-is the feature specifically designed to automate the assignment of VLANs and port settings based on the type of device connected to a switch. This technology enables the concept of "colorless ports," where any device (such as a Juniper Mist Access Point, an IP camera, or a VoIP phone) can be plugged into any available switch port without prior manual configuration.
The system functions by using "port assignment rules" that leverage various device properties to identify the connected hardware. These properties include LLDP attributes (System Name, Chassis ID, or Description), MAC addresses (including specific OUI ranges), and RADIUS attributes. For example, a rule can be configured to detect an LLDP System Description starting with "Mist Systems" and automatically apply a
"Wireless AP" port profile. This profile typically includes the management VLAN, PoE settings, and Spanning Tree Protocol (STP) parameters required for an access point to function.
The primary benefit of DPC is the reduction of manual labor and the elimination of configuration errors in large-scale deployments. In traditional environments, an administrator would have to manually assign a VLAN to a specific physical port; with DPC, the Juniper Mist cloud detects the device and pushes the relevant configuration to the switch in real-time. If the device is disconnected, the port can be configured to revert to a "restricted" or "guest" VLAN, ensuring that the network remains secure against unauthorized access. This AI-driven approach drives consistency across multiple sites while significantly streamlining the onboarding of new hardware.

NEW QUESTION # 56
Which of the following are key components in the provisioning process for wired assurance?
  • A. Templates
  • B. Site variables
  • C. Configuration options
  • D. End-user training
  • E. Physical hardware installation
Answer: A,B,C

NEW QUESTION # 57
You must providephysical connectivitybetween thecore and access devices.
Which step of thecampus fabric deployment processwould allow you to accomplish this task?
  • A. Apply the intent.
  • B. Configure the overlay network.
  • C. Define the topology type and select the devices.
  • D. Configure the underlay network.
Answer: C
Explanation:
In theCampus Fabric Deployment Wizard, the first step is defining thetopology type(3-stage or 5-stage IP Clos) and mapping thephysical connectionsbetween devices (core, distribution, and access).
"The first step in the campus fabric deployment process is to define the topology and identify physical connections between devices. This ensures correct port mapping between core, distribution, and access tiers." Option A:Correct- topology definition and physical connectivity mapping occur in the initial step.
Option B:Incorrect - the underlay network configuration happens after topology definition.
Option C:Incorrect - overlay configuration handles EVPN/VXLAN and routing setup, not physical cabling.
Option D:Incorrect - applying intent finalizes the deployment but does not define connectivity.
References:
Juniper Mist AI for Wired - Campus Fabric Deployment Workflow
Juniper Mist AI for Wired - Topology Definition and Physical Connectivity Guide Juniper Validated Design - IP Clos Campus Fabric Planning

NEW QUESTION # 58
What arethree wired Service Level Expectations (SLEs)that compriseJuniper Mist Wired Assurance?(Choose three.)
  • A. Coverage
  • B. Throughput
  • C. Successful Connects
  • D. Switch Health
  • E. Capacity
Answer: B,C,D
Explanation:
Wired AssurancedefinesSLEs (Service Level Expectations)to provide measurable performance indicators for wired networks. These metrics identify root causes of network degradation by monitoring switch health, connection success, and throughput performance.
"Juniper Mist Wired Assurance delivers AI-driven insights across key wired SLEs including Successful Connects, Throughput, and Switch Health, giving visibility into user experience and switch performance." Option A (Capacity):Incorrect - capacity is used in wireless SLEs, not wired.
Option B (Successful Connects):Correct- tracks connection success rate and anomalies.
Option C (Switch Health):Correct- monitors hardware, software, and PoE status.
Option D (Coverage):Incorrect - pertains to wireless SLEs.
Option E (Throughput):Correct- measures data transfer rate, latency, jitter, and loss.
References:
Juniper Mist AI for Wired - Service Level Expectations (SLEs) Overview
Juniper Mist Wired Assurance - SLE Metrics Reference
Juniper Mist AI Cloud - Wired Visibility and Troubleshooting Guide

NEW QUESTION # 59
Which service level expectation (SLE) metric measures congestion on the uplink interface of a switch?
  • A. Switch Health
  • B. Asymmetric Uplink
  • C. Throughput
  • D. Successful Connect
Answer: C
Explanation:
According to Juniper Mist documentation, the Throughput Service Level Expectation (SLE) is the primary metric used to represent the ability of wired users to pass traffic across the network without impedance. This SLE provides a comprehensive oversight of network performance by identifying issues that degrade the user experience, such as storm control events, interface anomalies, and specifically uplink congestion.
Within the Throughput SLE, the Congestion classifier (also referred to as Congestion Uplink) is specifically designed to monitor for buffer saturation and packet drops (TxDrops). When traffic arriving at an interface exceeds its processing or forwarding capacity, packets are queued in a buffer; if this buffer becomes full, the switch begins dropping packets. Juniper Mist utilizes a specific formula considering the ratios of TxDrops to TxPackets, Transmitted bps to Link Speed, and Received Speed to Link Speed to determine if a "Bad User Minute" has occurred due to congestion.
A critical feature of Wired Assurance is the automatic identification of uplink interfaces. Mist identifies these high-capacity ports by analyzing switch telemetry for characteristics such as having a switch or router as an LLDP neighbor, being designated as a Spanning Tree Protocol (STP) root port, or exhibiting significantly higher packet counts compared to access ports. When congestion is detected on an interface identified as an uplink, the system recognizes that this bottleneck impacts every user on that switch. By correlating these drops with the Throughput SLE, network administrators can proactively identify when a site requires more bandwidth or a different fabric architecture to handle current traffic demands, rather than simply monitoring if the link is physically "up" or "down".

NEW QUESTION # 60
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