Download the Latest JN0-460 Dumps - 2026 JN0-460 Exam Questions
Latest Juniper JN0-460 Certification Practice Test Questions
Juniper JN0-460 Exam Syllabus Topics:
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NEW QUESTION # 46
Route distinguishers and route targets in EVPN are used for:
- A. Identifying Ethernet segments only
- B. Differentiating between routes in overlapping IP spaces and defining VPN membership
- C. Decreasing network performance
- D. Simplifying network configurations
Answer: B
NEW QUESTION # 47
The main advantage of Campus Fabric IP Clos architecture is:
- A. Limited data flow control
- B. Increased network complexity
- C. Enhanced fault tolerance
- D. Decreased scalability
Answer: C
NEW QUESTION # 48
From left to right, what is the correct hierarchical order of switch configuration priorities from least to most preferred?
- A. Switch Setting, Site Configuration, Org-level template
- B. Org-level template, Site Configuration, Switch Settings
- C. Site Configuration, Switch Settings, Org-level template
- D. Site Configuration, Org-level template, Switch Settings
Answer: B
NEW QUESTION # 49
Which statement about RadSec is correct?
- A. RadSec allows RADIUS authentication over TCP and SSL.
- B. RadSec allows RADIUS authentication over TCP and TLS.
- C. RadSec allows RADIUS authentication over UDP and SSL.
- D. RadSec allows RADIUS authentication over UDP and TLS.
Answer: B
Explanation:
RadSec(RADIUS over TLS) enhances traditional RADIUS authentication security by encapsulating RADIUS messages withinTCP and TLSinstead of UDP.
This ensures encrypted, reliable, and authenticated transmission between network devices (such as Juniper EX switches) and RADIUS servers.
It is often used in modernMist-managed wired networksto securely integrate withAccess Assuranceor external authentication systems.
References:Juniper Mist RadSec Overview and Configuration Documentation
NEW QUESTION # 50
EVPN Multihoming is best described as:
- A. A feature that allows a single device to form peering relationships with multiple devices
- B. A method to reduce network traffic efficiency
- C. A process to limit devices to a single upstream connection
- D. The practice of connecting a device to multiple gateways for increased reliability
Answer: D
NEW QUESTION # 51
Which description accurately defines aMist AI 5-stage IP Clos network?
- A. It is a type of EVPN tunnel encapsulation employed in data center networks for overlay routing.
- B. It is a routing protocol specifically designed for campus fabrics, enabling efficient traffic forwarding and path selection.
- C. It is a hierarchical network architecture used in large-scale campus deployments that extends the 3-stage Clos with additional spine and super-spine layers for scalability.
- D. It is a hierarchical network architecture commonly used in campus fabrics, consisting of distribution, core, and access layers.
Answer: C
Explanation:
Juniper Mist defines both3-stageand5-stage IP Closarchitectures for campus and data-center fabrics. The5- stage IP Closdesign adds scalability by introducingspineandsuper-spinelayers above the leaf layer, enabling large campus or aggregation environments.
"The 5-stage IP Clos topology extends the 3-stage design by introducing spine and super-spine tiers. It is ideal for large campus environments requiring additional capacity and hierarchical scaling." Option A:Incorrect - Clos is a topology, not a routing protocol.
Option B:Incorrect - VXLAN/EVPN encapsulation operates over Clos but does not define it.
Option C:Incorrect - that describes a traditional three-tier campus (core/distribution/access), not a Clos.
Option D:Correct- the5-stage IP Closis a hierarchical, scalable Clos topology withspine and super- spinelayers used in large campus or data-center networks.
References:
Juniper Mist AI for Wired - Campus Fabric IP Clos Architecture Guide
Juniper Validated Design - 3-Stage and 5-Stage IP Clos Campus Fabrics
Juniper Mist AI Cloud - EVPN-VXLAN Fabric Deployment
NEW QUESTION # 52
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. dynamic port configuration
- B. site variables
- C. bulk upload of switch configuration
- D. select switch configuration
Answer: A
NEW QUESTION # 53
You must ensure that routes within a multitenant domain remain unique when advertised in a service provider network. Which EVPN functionality will accomplish this task?
- A. route distinguisher
- B. Ethernet segment identifier (ESI)
- C. route targets
- D. VRF export policy
Answer: A
Explanation:
According to Juniper documentation, a route distinguisher (RD) is a critical address qualifier used to ensure that network layer reachability information (NLRI) remains unique within a Multiprotocol BGP (MP-BGP) control plane, especially in multitenant environments. In a service provider network, different tenants may use identical, overlapping private IP address spaces (such as 192.168.1.0/24). If these routes were advertised without a qualifier, BGP-which typically only considers the IP prefix-would treat them as the same route and potentially overwrite one with the other based on standard BGP best-path selection.
The route distinguisher solves this by prepending an 8-byte field to the tenant's IP address, effectively transforming a 32-bit IPv4 prefix into a unique 96-bit VPN-IPv4 address. This 8-byte value is typically configured in formats such as as-number:number or ip-address:number. Because the resulting VPN-IPv4 prefix is unique to that specific routing instance, the service provider's BGP infrastructure can carry and distinguish between overlapping routes from multiple customers simultaneously.
It is important to differentiate the RD from a route target (RT). While the RD's sole purpose is to provide uniqueness so that routes are not discarded or overwritten, the route target is an extended community attribute used to control the import and export of these routes into the correct virtual routing and forwarding (VRF) tables on remote PE routers. In Juniper's Junos OS, each routing instance of type vrf or evpn must have a unique RD associated with it; failing to configure a unique RD or attempting to use the same RD across different instances will result in a configuration commit failure. This fundamental separation of "making routes unique" (RD) and "directing routes to the right place" (RT) allows for the scalable, isolated multitenancy required in modern EVPN-VXLAN campus and data center fabrics.
NEW QUESTION # 54
Which statement is correct aboutJuniper Mist Wired Assurance capabilities?
- A. Juniper Mist focuses solely on post-connection service level expectations (SLEs) and does not monitor throughput or successful connects.
- B. Juniper Mist primarily focuses on pre-connection service level expectations (SLEs) and does not monitor throughput, successful connects, or switch health on Juniper EX Series and QFX Series switches.
- C. Juniper Mist can enforce throughput and successful connects but does not provide operational visibility or service level expectations (SLEs) for Juniper EX Series and QFX Series switches.
- D. Juniper Mist delivers operational visibility, sets service level expectations (SLEs), and monitors throughput, successful connects, and switch health using pre-connection and post-connection performance metrics.
Answer: D
Explanation:
Juniper Mist Wired AssuranceprovidesAI-driven operational visibilityfor EX and QFX switches. It defines and tracksService Level Expectations (SLEs)across multiple performance areas including connectivity, throughput, and switch health.
"Wired Assurance uses AI and telemetry to deliver operational visibility, track service level expectations (SLEs), and monitor throughput, successful connects, and switch health through pre- and post-connection metrics." Option A:Correct- accurately describes the full scope of Wired Assurance.
Option B:Incorrect - Wired Assurance provides SLEs specifically for EX and QFX switches.
Option C:Incorrect - both pre- and post-connection SLEs are monitored.
Option D:Incorrect - Wired Assurance monitors both connectivity and device health.
References:
Juniper Mist AI for Wired - Wired Assurance Overview
Juniper Mist AI for Wired - Service Level Expectations (SLEs) Guide
Juniper Mist Cloud Documentation - Switch Insights and Health Metrics
NEW QUESTION # 55
The deployment of Campus Fabric Architectures typically involves:
- A. Using legacy networking models
- B. Detailed planning and phased implementation
- C. Randomly placing switches
- D. Ignoring security protocols
Answer: B
NEW QUESTION # 56
You have just connected a new cloud ready EX series switch to your network. While you are waiting for the swith to boot up, you claim the switch to your organization. You have waited ten minutes for it to boot up and connect to the Mist cloud, however you notice that the Cloud LED is blinking yellow in and has a three blinks pattern.
In this scenario, which statement is correct about the LED color and blink pattern?
- A. The switch has successfully connected to the Mist cloud
- B. The ZTP bootstrap process has been completed.
- C. The switch has successfully connected to the Mist cloud, however it cloud not find your organization.
- D. The switch has not successfully connected to the Mist cloud.
Answer: D
NEW QUESTION # 57
You are asked to apply the samesystem-level configurationacross all the devices in multiple sites usingMist AI.
According to Juniper Networks, which solution should you use in this scenario?
- A. Use the CLI on each device.
- B. Use the site-level switch configuration option in Mist AI.
- C. Use an organization-level template in Mist AI.
- D. Use the individual switch configuration option in Mist AI.
Answer: C
Explanation:
Juniper Mist supports ahierarchical configuration model:
Organization level:global configuration templates applied across sites.
Site level:shared configuration for all devices in a site.
Individual device level:unique overrides.
To applycommon system-level settings(e.g., NTP, SNMP, DNS, syslog) across multiple sites, the correct method is to use anorganization-level template.
"Organization-level templates provide a consistent configuration framework that can be applied across multiple sites, ensuring uniform system settings for all switches." Option A:Incorrect - manual CLI configuration defeats automation.
Option B:Incorrect - applies only to one site, not multiple.
Option C:Correct- organization-level templates provide centralized configuration for all sites.
Option D:Incorrect - individual configuration is for unique settings only.
References:
Juniper Mist AI for Wired - Configuration Hierarchy and Templates
Juniper Mist AI for Wired - Multi-Site Configuration Guide
Juniper Mist AI Cloud - Organization and Site Management
NEW QUESTION # 58
You have received aMarvis Actions Missing VLANnotification.
In this scenario, where is the problem?
- A. A client is missing the VLAN.
- B. An access point is missing the VLAN.
- C. A switch is missing the VLAN.
- D. The gateway is missing the VLAN.
Answer: B
Explanation:
AMarvis Actions Missing VLANnotification indicates that anaccess pointis missing a VLAN configured on other APs within the same site.
Marvis identifies configuration inconsistencies by comparing VLAN assignments across devices.
References:
JNCIS-MistAI Certification Page - Marvis Actions Troubleshooting
Mist AI Cloud Services Documentation - VLAN Mismatch Detection
NEW QUESTION # 59
A switch is claimed in a Mist organization using theactivation code.
What aretwo possible device statesthat the switch will have in this scenario?(Choose two.)
- A. Connected
- B. Inactive
- C. Active
- D. Unassigned
Answer: A,D
Explanation:
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 asUnassignedif they are not yet linked to a site. Once online and connected to Mist Cloud, they transition toConnectedstatus 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.
References:
Juniper Mist AI for Wired - Device Claiming and State Management Guide
Juniper Mist Cloud - Switch Onboarding Workflow
Juniper Mist Wired Assurance - Device Status Descriptions
NEW QUESTION # 60
What are three wired Service Level Expectations (SLEs)that comprise Juniper Mist Wired Assurance?
(Choose three.)
- A. Capacity
- B. Coverage
- C. Throughput
- D. Switch Health
- E. Successful Connects
Answer: C,D,E
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 # 61
What is a limitation of Layer 2 network segmentation?
- A. Layer 2 cannot span multiple geographical locations.
- B. There is loop protection.
- C. There is support for only 4094 VLANs.
- D. There is no support for networks larger than a /24 network.
Answer: C
Explanation:
According to Juniper Networks technical documentation regarding "Bridging and VLANs," Layer 2 network segmentation is primarily achieved through the implementation of Virtual Local Area Networks (VLANs).
While VLANs provide critical segmentation services by grouping related devices into independent logical networks and containing broadcasts within specific domains, they are bound by the architectural constraints of the IEEE 802.1Q standard.
A fundamental limitation of this traditional Layer 2 approach is the address space of the VLAN identifier. The
802.1Q header allocates exactly 12 bits for the VLAN ID (VID). This mathematical constraint limits the total number of possible VLANs to 4,096 ($2^{12}$). Within the Junos operating system, VLAN IDs 0 and 4,095 are strictly reserved for system internal functions and cannot be assigned to user traffic, resulting in a maximum of 4,094 usable VLANs for network segmentation.
In modern enterprise environments-especially those involving large-scale multitenancy, cloud services, or high-density campus deployments-this 4,094 limit often becomes a significant bottleneck. Network administrators can exhaust this pool when attempting to provide granular isolation for thousands of unique device types, departments, and guest users. To overcome this specific limitation, Juniper recommends moving toward EVPN-VXLAN campus fabrics. VXLAN technology replaces the 12-bit VLAN tag with a 24-bit VXLAN Network Identifier (VNI), which theoretically supports over 16 million unique segments. This vast increase in scalability allows for the creation of administrative domains that far exceed the capabilities of traditional Layer 2 Ethernet bridging. While Layer 2 domains also face challenges related to Spanning Tree Protocol (STP) complexity and large broadcast diameters, the numeric exhaustion of the VLAN ID space remains the most definitive hardware-level limitation of standard Layer 2 segmentation.
NEW QUESTION # 62
What are two benefits of deploying EVPN in a campus network? (Choose two.)
- A. increased ARP flooding
- B. control plane encapsulation
- C. active-active forwarding
- D. control plane mac address learning
Answer: C,D
NEW QUESTION # 63
Referring to the exhibit, which statement is correct about thePost-Install user's role?
- A. It has access limited to installing APs and switches at all sites.
- B. It is used for help-desk monitoring and workflow for all sites.
- C. It has read-only access to all sites.
- D. It has full access to all sites.
Answer: A
Explanation:
ThePost-Install (Installer)role has minimal access-sufficient only toclaim APs or switches, assign or unassign them, and place them on maps.
It cannot unclaim or remove devices and typically expires after installation.
References:
Mist AI Mobile App Documentation - Installer and Post-Install Roles
Juniper Mist AI Access Control Guide
NEW QUESTION # 64
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