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Question 1

Score: 0/0

Which Juniper EX series switch model supports Zero Touch Provisioning (ZTP) managed by the Mist cloud?

EX2300

EX1200

EX3200

EX5400

to track

2026 Statistics

Key Facts: JNCIS-MistAI-Wired Exam

60-70%

Est. Pass Rate

Industry estimate

65 Q's

Exam Questions

Juniper

90 min

Exam Duration

Juniper

$300

Exam Fee

Juniper

3 years

Cert Valid

Juniper

80-120 hrs

Study Time

Recommended

JNCIS-MistAI-Wired is Juniper's specialist certification for Mist AI cloud-managed wired networking. It covers EX series switch ZTP, campus switching templates, EVPN-VXLAN Campus Fabric, Wired Assurance SLEs, and Marvis AI root-cause analysis. JNCIA-MistAI is a prerequisite. Certification is valid for 3 years.

Sample JNCIS-MistAI-Wired Practice Questions

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1Which Juniper EX series switch model supports Zero Touch Provisioning (ZTP) managed by the Mist cloud?

A.EX2300

B.EX1200

C.EX3200

D.EX5400

Explanation: The EX2300, along with EX3400, EX4100, EX4300, EX4400, EX4650, EX9200, and other current Juniper EX models, supports Mist cloud ZTP. Legacy models like EX3200 and EX5400 are not supported by the Mist platform.

2During Mist cloud ZTP, what is the first action a new EX switch performs after receiving an IP address via DHCP?

A.Contacts Juniper's redirect server to obtain the Mist cloud WebSocket URL

B.Loads the local factory-default configuration and applies it

C.Sends a syslog message to the management server

D.Performs a software integrity check before reaching the cloud

Explanation: In Mist ZTP, after the switch gets an IP address via DHCP, it contacts Juniper's redirect server (redirect.juniper.net) which returns the Mist cloud WebSocket endpoint. The switch then establishes a persistent WebSocket connection to Mist and downloads its configuration.

3In the Mist portal, what is a 'Network Template' used for in campus switching?

A.A reusable configuration object that defines switch settings applied across multiple sites

B.A per-port speed and duplex override applied only to uplink ports

C.A RADIUS server policy scoped to a single building

D.An AI-generated firmware rollback plan

Explanation: A Network Template in Mist is a reusable configuration object that can include port profiles, RADIUS settings, DNS, NTP, syslog, and other switch parameters. It can be applied to multiple sites simultaneously, enabling consistent configuration at scale.

4Which Mist configuration object defines port behavior—such as PoE, VLAN assignment, storm control, and 802.1X—for a group of switch interfaces?

A.Network Template

B.Port Profile

C.Switch Group

D.RADIUS Policy

Explanation: A Port Profile in Mist is applied to one or more physical switch ports and defines behaviors including PoE enable/disable, access or trunk VLAN assignment, storm control thresholds, spanning-tree edge settings, and 802.1X authentication mode. Network Templates aggregate port profiles with site-wide settings.

5When configuring 802.1X on Mist-managed EX switches, where is the RADIUS server address defined?

A.Inside the Port Profile applied to each interface

B.In the Network Template under RADIUS settings

C.Directly in the Junos CLI on each switch

D.In the Mist Access Assurance cloud policy only

Explanation: RADIUS server settings (IP, port, shared secret) are configured in the Network Template within the Mist portal. These settings are pushed to all switches using that template. Port Profiles reference the RADIUS enforcement mode (e.g., 802.1X, MAC authentication) but do not define the server address.

6What is the purpose of Virtual Chassis (VC) in Mist-managed EX deployments?

A.Connects multiple EX switches into a single logical device managed as one unit in Mist

B.Creates a virtualized overlay network using VXLAN tunnels between switches

C.Enables active-active LACP between two standalone switches

D.Provides redundant management paths to the Mist cloud

Explanation: Virtual Chassis groups multiple EX switches into a single logical device with one management plane. In Mist, the entire VC appears as one switch in the inventory, and configuration is pushed once. VC simplifies management and enables high-density access layer deployments.

7In a Mist-managed Virtual Chassis, how is the 'master' member role determined by default?

A.The switch with the highest MAC address becomes master

B.Mist cloud assigns master role during ZTP

C.The member with the highest configured priority, or lowest member ID on tie, becomes master

D.The first switch powered on always becomes the master

Explanation: Virtual Chassis master election follows standard Junos VC rules: the member with the highest mastership priority wins. On a tie, the member with the lowest member ID (0 first) becomes master. Mist does not override native VC master election but allows monitoring of VC member roles from the portal.

8Campus Fabric with ERB (Edge-Routed Bridging) in Mist uses which underlay/overlay technology?

A.OSPF underlay with GRE overlay

B.EBGP underlay with EVPN-VXLAN overlay

C.IS-IS underlay with MPLS overlay

D.Static routes underlay with VLAN stitching overlay

Explanation: Mist Campus Fabric with ERB uses an EBGP underlay for IP connectivity between fabric nodes and EVPN-VXLAN as the overlay. EVPN provides the control plane for MAC and IP address distribution, while VXLAN encapsulates Layer 2 frames across the routed fabric.

9In a Mist Campus Fabric IP Clos design, what is the role of the 'spine' layer?

A.Provides 802.1X authentication for end devices

B.Acts as EVPN route reflectors and provides high-speed inter-leaf IP forwarding

C.Terminates VXLAN tunnels from access switches and performs local MAC learning

D.Connects directly to end hosts and APs

Explanation: In an IP Clos design, spine switches serve as the IP transit layer. They peer with all leaf switches via EBGP and, in EVPN-VXLAN deployments, act as route reflectors for EVPN address families. The spine layer provides non-blocking inter-leaf forwarding without hosting end devices.

10What distinguishes Campus Fabric ERB (Edge-Routed Bridging) from CRB (Core-Routed Bridging) in Mist?

A.ERB routes traffic at the leaf/access layer; CRB routes at the core/spine layer

B.ERB uses MPLS labels; CRB uses VXLAN encapsulation

C.ERB is limited to 24-port switches; CRB supports modular chassis

D.ERB requires a Mist gateway; CRB operates without cloud connectivity

Explanation: In ERB, each leaf switch hosts an IP gateway (IRB interface) for its local VLANs and routes at the edge of the fabric. In CRB, leaf switches bridge traffic and the core/spine performs inter-VLAN routing. ERB distributes routing closer to hosts, reducing traffic tromboning through the spine.

About the JNCIS-MistAI-Wired Exam

JNCIS-MistAI-Wired validates specialist-level knowledge of Mist AI-managed EX series switch deployments including cloud ZTP onboarding, campus switching templates, port profiles, RADIUS and RadSec, Virtual Chassis, Campus Fabric EVPN-VXLAN (ERB/CRB), Wired Assurance SLEs, Marvis AI wired actions, and Mist Access Assurance certificate-based NAC.

Questions

65 scored questions

Time Limit

90 minutes

Passing Score

Pass/Fail

Exam Fee

$300 (Juniper Networks / Pearson VUE)

JNCIS-MistAI-Wired Exam Content Outline

25%

ZTP & Switch Onboarding

Cloud ZTP, switch inventory, claim codes, firmware upgrades, site assignment, WebSocket connectivity

20%

Campus Switching Templates

Network templates, port profiles, RADIUS/RadSec settings, DHCP snooping, storm control, VLAN provisioning

20%

Campus Fabric EVPN-VXLAN

ERB vs CRB, IP Clos design, VNI mapping, anycast gateway, IRB interfaces, EVPN route types, VRFs

20%

Wired Assurance & Marvis

SLEs (Successful Connects, Switch-AP Pairing, Port Errors, Throughput), PoE monitoring, Marvis actions, event logs

15%

Access Assurance & Auth

802.1X dynamic authorization, EAP-TLS, MAB, RadSec, dynamic VLAN, Mist Access Assurance certificate NAC

How to Pass the JNCIS-MistAI-Wired Exam

What You Need to Know

Passing score: Pass/Fail
Exam length: 65 questions
Time limit: 90 minutes
Exam fee: $300

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

JNCIS-MistAI-Wired Study Tips from Top Performers

1Understand the Mist ZTP flow: DHCP → redirect server → Mist cloud WebSocket → configuration push

2Know all four Wired Assurance SLEs and which Marvis actions each SLE failure maps to

3Distinguish ERB (edge-routed bridging) from CRB (core-routed bridging) and understand anycast gateway behavior

4Practice EVPN route type purposes: RT-2 for MAC/IP, RT-3 for BUM flooding, RT-5 for IP prefixes

5Understand how dynamic port profile assignment via RADIUS VSAs differs from static port profile templates

Frequently Asked Questions

What is the JNCIS-MistAI-Wired exam format?

JNCIS-MistAI-Wired has multiple-choice and multi-select questions delivered via Pearson VUE. The exam is pass/fail — Juniper does not publish the exact passing score. It is available at Pearson VUE test centers and online proctored.

What are the prerequisites for JNCIS-MistAI-Wired?

JNCIA-MistAI (or JNCIA-Junos) certification is the recommended prerequisite. Candidates should have hands-on experience with Mist-managed EX series switches and familiarity with cloud networking concepts.

What EX switch models are covered on JNCIS-MistAI-Wired?

The exam covers Mist-supported EX series switches including EX2300, EX3400, EX4100, EX4300, EX4400, EX4650, and EX9200. Focus is on cloud ZTP onboarding, campus switching templates, and Wired Assurance for these platforms.

How does JNCIS-MistAI-Wired differ from JNCIS-ENT?

JNCIS-MistAI-Wired focuses on Mist cloud-managed switching including Mist AI, Wired Assurance SLEs, and Campus Fabric EVPN-VXLAN. JNCIS-ENT covers traditional Junos CLI-based enterprise routing and switching without Mist AI management context.