Most Recent Juniper JN0-460 Exam Dumps

In the Juniper Mist AI for Wired dashboard, administrators can select one or more switch ports (as shown in the exhibit, e.g., port ge-0/0/25 on an EX4100-48MP). Once configuration changes are made --- such as VLAN assignment, port profiles, PoE settings, or administrative state --- the Save button must be clicked to confirm and apply those changes to the device.

''When making configuration changes in the Mist switch interface, the Save button must be used to confirm the modifications. Clicking Save applies the selected port settings to the switch through Mist Cloud.''

Option A is incorrect: saving does not create a backup. Backups and snapshots are handled through Mist's configuration archive, not via the Save button.

Option B is incorrect: Save does not reset configuration; instead, it commits changes.

Option C is incorrect: there is no preview function tied to Save.

Option D is correct: the Save button is explicitly for applying configuration changes to the selected switch or port(s).

Juniper Mist AI for Wired -- Switch Port Configuration Guide

Juniper Mist AI for Wired -- Wired Assurance Administration Guide

Juniper Mist Documentation -- Managing Switch Interfaces

When a switch is claimed into a Mist organization, it appears in one of several states depending on connectivity and site assignment.

''After claiming, switches initially appear as Unassigned if they are not yet linked to a site. Once online and connected to Mist Cloud, they transition to Connected status and begin receiving configurations and telemetry.''

Option A (Connected): Correct --- indicates the switch is online and communicating with Mist Cloud.

Option B (Inactive): Incorrect --- not a valid device state in Mist.

Option C (Active): Incorrect --- ''Active'' is not a device state label in Mist.

Option D (Unassigned): Correct --- indicates the switch has been claimed but not yet assigned to a site.

Juniper Mist AI for Wired -- Device Claiming and State Management Guide

Juniper Mist Cloud -- Switch Onboarding Workflow

Juniper Mist Wired Assurance -- Device Status Descriptions

In Juniper Mist campus fabric architectures, the location of the Layer 3 gateway (IRB interface) differentiates centrally-routed bridging (CRB) from edge-routed bridging (ERB):

In CRB, the gateway resides at the core layer --- routing occurs centrally, and access/distribution layers perform Layer 2 bridging.

In ERB, the gateway moves to the edge (distribution layer), enabling routing to occur closer to endpoints, improving performance and scalability.

''In a centrally-routed bridging (CRB) topology, Layer 3 gateways reside at the core. When transitioning to an edge-routed bridging (ERB) design, the Layer 3 gateways are moved to the distribution layer, closer to the access switches and clients.''

Therefore, when moving from a core-distribution CRB to an ERB model, the gateway moves from the distribution to the access layer in campus terms (edge = access).

Option A: Incorrect --- ERB gateways are not at the distribution layer only.

Option B: Incorrect --- opposite direction.

Option C: Correct --- the gateway moves from distribution to access (edge).

Option D: Incorrect --- this describes CRB, not ERB.

Juniper Mist AI for Wired -- Campus Fabric Architecture Models (CRB vs ERB)

Juniper Validated Design -- Campus Fabric EVPN-VXLAN Gateway Placement

Junos OS EVPN-VXLAN Deployment Guide

===========

In Juniper Mist, Greenfield adoption applies to new, cloud-ready switches (such as EX4100, EX4400, and QFX series) using a claim or activation code to securely connect to the Mist cloud.

Brownfield adoption, however, supports switches already deployed or not factory-fresh. These are manually onboarded by configuring outbound management connectivity and adopting them through the Mist portal.

This distinction enables both new and legacy EX/QFX environments to be cloud-managed under Wired Assurance.

According to Juniper Mist Wired Assurance documentation, three built-in diagnostic tools available for testing switch functionality are Bounce Port, Ping, and Cable Test.

Bounce Port allows you to disable and re-enable a port to reset connectivity.

Ping verifies Layer 3 reachability between the switch and target IPs.

Cable Test performs diagnostics to detect wiring faults, impedance mismatches, or cable lengths.

These tools are accessed directly from the Switch Testing Tools section in the Mist dashboard and are available for EX Series and QFX Series switches onboarded to the Mist cloud.