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Download Juniper JN0-452 Sample Questions [Oct-2026]

Real JN0-452 Exam Questions and Answers FREE

NO.35 Labels are created for which two configuration levels? (Choose two.)

 site

 AP

 location

 organization

In Juniper Mist, labels can be created at the organization level (to apply globally) and at the site level (to apply locally). These labels help group and organize resources for easier policy assignment, monitoring, and troubleshooting.

NO.36 Click the Exhibit button.

A user opened a ticket. Upon troubleshooting, you determine that frequent roaming is the root cause of the problem.
Referring to the exhibit, which statement describes the roaming issue that the client is experiencing?

 There are frequent roams between different protocols.

 There are frequent roams between different bands.

 There are frequent roams between different WLANs.

 There are frequent roams between different access points.

NO.37 You are the administrator of a 40-store retail chain. All sites use the same RADIUS-enabled WLAN, which authenticates users using one centralized RADIUS server at the head office. One morning, you receive a Marvis Alert e-mail indicating that there are authentication failures. Using the Juniper Mist UI, which method required the least number of steps to determine how many sites are having authorization issues in this scenario?

 Open the Wireless tab on the SLE page for each site and observe the Successful Connects classifier.

 Open the Insights tab on the SLE page for each sire and scroll down to Network Servers to determine if the RADIUS server is reporting failures.

 Open the Wireless tab on the SLE, change the pull-down menu to Entire Org, and click the Successful Connect tab. Observe the number of sites with unacceptable SLE values.

 Open the Wireless tab on the SLE page, change the pull-down menu to Entire Org, and click the AP Health tab. Observe the number of sites with AP with unacceptable SLE values.

The Successful Connect SLE directly tracks authentication success, including RADIUS failures.
By switching the scope to Entire Org, you can see across all sites in one view, making it the most efficient method to determine how many sites are experiencing authorization issues.

NO.38 Some users cannot connect to the network. You want to identify these users. In Marvis, which query accomplishes this task?

 troubleshoot access points

 unhappy clients

 troubleshoot clients

 list clients

According to the Marvis – Mist document, unhappy clients is a query that can be used in Marvis to identify users who cannot connect to the network. Unhappy clients shows a list of clients who have experienced poor service level expectations (SLEs) such as connection failures, coverage issues, or low throughput.
References: https://www.mist.com/documentation/marvis/

NO.39 Referring to the exhibit, what are two reasons why a Mist AP would have multiple IP addresses? (Choose two.)

 One IP address is used for control traffic and one address is used for management traffic.

 The Local Status Page is enabled in the site settings.

 One IP address is used for redundancy.

 A guest portal is configured on a tagged VLAN.

Reference: https://www.mist.com/documentation/aps-use-ip-addresses/
According to the Mist AP43 Access Point Data Sheet document1 and the Guest Access – Mist document2, two reasons why a Mist AP would have multiple IP addresses are:
The Local Status Page is enabled in the site settings, which allows the AP to have an additional IP address on VLAN 4094 for local management purposes.
A guest portal is configured on a tagged VLAN, which allows the AP to have an additional IP address on that VLAN for guest access purposes.
References: https://www.mist.com/wp-content/uploads/Mist-AP43-Data-Sheet.pdf https://www.mist.com
/documentation/guest-access/

NO.40 Which Juniper AP is used to augment BLE coverage?

 BT11

 AP12

 AP24

 AP34

The BT11 is a dedicated Juniper Mist device designed specifically to augment BLE coverage. It does not provide Wi-Fi connectivity but extends and enhances Bluetooth-based location services for asset tracking and user engagement.

NO.41 Which Mist feature allows administrators to simulate and preview RF coverage before physically deploying access points?

 Marvis Actions

 AP Placement / Live View in the floor plan

 WxLAN policy simulator

 Access Assurance policy tester

Mist’s floor plan tools, including AP Placement and predictive RF heatmaps, allow administrators to plan and simulate coverage before physical deployment, helping optimize AP placement and density.

NO.42 An administrator needs to create a guest portal that requires visitors to be approved by an employee before gaining network access. The guest should be able to select their employee sponsor from a predefined list on the portal.
Which authorization method should be configured in the Custom Guest Portal settings?

 Authentication Code via Email

 Passphrase

 Social Sign-In

 Sponsored Guest Access

NO.43 Which IEEE amendment covers radio resource management?

 802.11ac

 802.11b

 802.11r

 802.11k

The IEEE 802.11k amendment defines radio resource management (RRM). It allows clients and APs to exchange radio measurement information, enabling smarter roaming decisions, load balancing, and optimization of wireless resources.

NO.44 You need to use a location-based service with a location accuracy of 1 to 3 meters.
What would you do to accomplish this task?

 Use BLE Asset Visibility.

 Use the 802.11 az location service.

 Use Wi-Fi location.

 Use vBLE Engagement.

vBLE Engagement is used for high-accuracy indoor location services, typically providing 1 to 3 meter accuracy. It supports location-based engagement and indoor positioning use cases that require more precision than standard Wi-Fi location.

NO.45 You are creating a Juniper Mist account. Which two statements are true in this scenario?
(Choose two.)

 You need separate usernames and passwords to access the Juniper Mist dashboard and Juniper Mist support.

 You can access the Juniper Mist dashboards and Juniper Mist support using a single username and password.

 Creating a Juniper account does not require you to have a Juniper device.

 Creating a Juniper Mist account requires you to have a Juniper device.

A single Juniper account provides access to both the Mist dashboard and Juniper support.
Additionally, you can create an account without owning a Juniper device, making it possible to explore or manage trial services before deployment.

NO.46 Which Wireless Assurance SLE provides information on whether a user is able to associate to the WLAN?

 Successful Connect

 Capacity

 Roaming

 Throughput

The Wireless Assurance SLE that provides information on whether a user is able to associate to the WLAN is Successful Connect. So the correct answer is A. Successful Connect.

NO.47 The Marvis Actions dashboard presents an action item labeled “Persistently Failing Clients.” What is the defining characteristic of a client that would be flagged under this action?

 A client that experiences a single, high-impact disconnection.

 A client that is continuously failing to connect over a sustained period, where the failure is specific to the client itself (e.g., bad password, misconfigured supplicant).

 Any client that connects to a non-compliant AP.

 A client that roams to an AP with a weaker signal than its previous AP.

NO.48 What is the method of claiming multiple Juniper Access Points simultaneously to an organization?

 Use an activation code.

 Use a QR code.

 Use a digital certificate.

 Use the Juniper Mist Mobile Application.

To claim multiple Juniper Access Points at once, you use an activation code provided in the Mist dashboard. This method allows bulk provisioning of APs into the correct organization without needing to scan individual QR codes.

NO.49 Which statement best describes Mist’s approach to RRM (Radio Resource Management)?

 It requires manual channel and power configuration by the administrator

 It uses a centralized controller to recalculate channels every 24 hours

 It continuously and dynamically optimizes channel and power settings using cloud-based AI

 It only adjusts power levels and not channel assignments

Mist’s cloud-based AI-driven RRM continuously monitors RF conditions and dynamically adjusts channel and power settings in near real-time, rather than relying on periodic or manual reconfiguration.

NO.50 What are two ways to access Marvis? (Choose two.)

 Use the conversational assistant.

 Use Actions.

 Use Insights.

 Use config templates.

Reference: https://www.mist.com/resources/mist-marvis-overview/

NO.51 At which signal strength level range will an extra AP placed on the same channel cause co-channel contention?

 -45 dBm to -65 dBm

 -55 dBm to -80 dBm

 -25 dBm to -80 dBm

 -65 dBm to -85 dBm

In the context of Juniper Mist AI and high-performance wireless design,Co-Channel Contention (CCC)- often referred to as Co-Channel Interference (CCI)-occurs when two or more access points (APs) share the same frequency channel and are within “hearing” distance of one another.1The key to understanding this specific range lies in the802.11 CSMA/CAmechanism, specifically theClear Channel Assessment (CCA) process.
When a Mist AP or a client device wants to transmit, it first performs a CCA. If it detects a Wi-Fi preamble from another device on the same channel at a signal strength above theSignal Detect (SD)threshold (typically around -82 to -85 dBm for many radios, though performance drops much sooner), it must defer its transmission. However, for “contention” to become a significant performance bottleneck that triggers Mist SLE alerts, the signal strength usually falls within the-45 dBm to -65 dBmrange.
In this range, the signals are strong enough that the APs are effectively “in the same room” or nearby rooms, meaning they will constantly see the medium as “busy” whenever the other AP is transmitting. This effectively merges the two APs into a single contention domain, forcing them to share the total available airtime. For example, if two APs on the same channel both see each other at -60 dBm, they cannot transmit simultaneously; instead, they must take turns.
Mist’sRadio Resource Management (RRM)and theCapacity SLEspecifically monitor for these overlapping BSS (OBSS) conditions. If the AI detects that an AP is seeing a neighbor on the same channel at these high signal levels, it will attempt to change the channel or reduce transmit power to “shrink” the cell size, aiming to push the neighbor’s signal strength below the point where it causes constant deferrals, thereby improving the overall capacity and user experience for the site.

NO.52 What is the purpose of the “Allowlist” in a WxLAN policy?

 To define a list of users who are exempt from all security rules.

 To specify resources (like IP addresses or domains) that are always permitted, bypassing other block rules for a given user/role.

 To list all the APs that the policy applies to.

 To define which client devices are allowed to connect to the WLAN.

NO.53 You are asked to use Marvis Minis to test the scope of a failure.
In this scenario, what are three validation methods used? (Choose three.)

 testing on the same AP at a different site

 retesting on the same AP

 testing on a different AP on a different switch

 testing on a different AP on the same switch

 testing on the same AP on a different switch

Marvis Minis validates the scope of a failure by retesting from the same AP, testing from another AP connected to the same switch, and testing from another AP connected to a different switch.
This helps determine whether the issue is isolated to one AP, related to the switch, or broader in the network path.

NO.54 Which two statements are true about 802.1X/EAP? (Choose two.)

 Credentials are exchanged with a RADIUS server prior to the 4-way Handshake.

 Credentials are exchanged with a RADIUS server after the 802.11 Association.

 Credentials are exchanged with a RADIUS server after the 4-way Handshake.

 Credentials are exchanged with a RADIUS server prior to the 802.11 Association.

According to Wikipedia1, 802.1X is an IEEE Standard for port-based network access control (PNAC). It provides an authentication mechanism to devices wishing to attach to a LAN or WLAN using Extensible Authentication Protocol (EAP) over wired IEEE 802 networks and over 802.11 wireless networks, which is known as “EAP over LAN” or EAPOL.
The authentication process involves three parties: a supplicant (the client device), an authenticator (the network device such as an access point), and an authentication server (typically a RADIUS server). The supplicant must provide valid credentials to the authenticator before it can access the network resources.
The credentials are exchanged with a RADIUS server prior to the 4-way Handshake because the 4-way Handshake is used to establish encryption keys between the supplicant and authenticator after successful authentication2. The credentials are exchanged with a RADIUS server after the 802.11 Association because the 802.11 Association is used to establish a logical link between the supplicant and authenticator before authentication can take place3.

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