(Oct-2025) Latest JN0-252 Dumps for Success in Actual Juniper Certified
Changing the Concept of JN0-252 Exam Preparation 2025
NEW QUESTION # 51
You are troubleshooting a wireless client's issue and you suspect it is related to DHCP latency.
In this scenario, which SLE should you review in the Mist UI?
- A. Coverage
- B. Throughput
- C. Time to Connect
- D. Capacity
Answer: C
Explanation:
Identify the Problem: Suspected issue related to DHCP latency while troubleshooting a wireless client.
Understanding SLEs:
Capacity: Related to the number of clients and bandwidth. Time to Connect: Measures the time taken for clients to connect, including DHCP latency.
Throughput: Measures the data transfer rate.
Coverage: Measures the signal strength and coverage area.
Selecting the Appropriate SLE:
Time to Connect is the relevant SLE as it includes metrics on DHCP latency, which affects the connection time.
Review the SLE:
Analyze the Time to Connect SLE to identify any latency issues with DHCP.
NEW QUESTION # 52
Under Man/Is Actions, what is required for Marvis to provide a visualization of low coverage and low-capacity issues within the network?
- A. a floor plan
- B. a WAN edge device
- C. a Premium Analytics subscription
- D. a cloud-ready switch
Answer: A
Explanation:
For Marvis, Mist AI's virtual network assistant, to provide a visualization of low coverage and low-capacity issues within the network, a floor plan is required. This enables Marvis to map the coverage and capacity data to specific locations within the physical space, allowing for precise identification and troubleshooting of network issues.
Reference:
Juniper Mist AI Documentation
Marvis Actions
NEW QUESTION # 53
Which statement is correct about the SLE dashboard?
- A. Both SLEs and classifiers are displayed as a percentage of success.
- B. Both SLEs and classifiers are displayed as a percentage of failure.
- C. SLEs are displayed as a percentage of success and classifiers are displayed as a percentage of failure.
- D. SLEs are displayed as a percentage of failure and classifiers are displayed as a percentage of success.
Answer: A
Explanation:
Service Level Expectations (SLEs): In Mist's SLE dashboard, SLEs are shown as a percentage of success. This indicates how well the network is meeting the predefined performance metrics, such as throughput, capacity, and coverage.
Classifiers: Classifiers, which help in diagnosing issues by breaking down SLEs into specific causes, are also displayed as a percentage of success. This unified view aids in quickly identifying areas that need improvement and ensures consistent monitoring.
NEW QUESTION # 54
Which two statements correctly describe Mist organizations and sites? (Choose two.)
- A. Multiple sites may be contained within a single organization.
- B. Multiple organizations may be contained within a single site.
- C. An organization is contained within a site.
- D. A site is contained within an organization.
Answer: A,D
Explanation:
In the Mist architecture, an organization is a higher-level entity that can contain multiple sites.
A site is contained within an organization: Each site operates under the umbrella of an organization, allowing centralized management and policy enforcement.
Multiple sites may be contained within a single organization: This structure enables organizations to manage and monitor different geographical locations or different business units within a single centralized framework.
This hierarchical structure facilitates scalable and organized network management.
NEW QUESTION # 55
Which step must you take when configuring rogue AP detection?
- A. Set the proximity zones.
- B. Set the Radio Resource Management (RRM) interval.
- C. Enable rogue AP detection.
- D. Disable honeypot detection.
Answer: C
Explanation:
Rogue AP Detection:
Rogue AP detection is crucial for maintaining network security by identifying unauthorized access points.
Configuration Step:
Enable Rogue AP Detection:
The first and necessary step in configuring rogue AP detection is enabling the feature in the Mist system.
Other Steps:
Setting proximity zones, disabling honeypot detection, and setting the RRM interval are additional configurations but not the initial or mandatory step.
Conclusion:
The correct answer is A.
Reference:
Mist Documentation on Rogue AP Detection: Mist Documentation
NEW QUESTION # 56
How are Mist Alerts sent?
- A. using Slack
- B. using a text message
- C. using e-mail
- D. using Skype
Answer: C
NEW QUESTION # 57
What does the icon in the lower-right corner of the exhibit do in the Mist UI?
- A. It opens the Marvis site map.
- B. It opens the Marvis Virtual Assistant.
- C. It opens the Marvis Actions interface.
- D. It opens the Marvis Query interface.
Answer: B
NEW QUESTION # 58
Which Radio Resource Management (RRM) changes are only made once a day between 2:00 AM and 3:00 AM local time?
- A. channel and power settings across a site based on long-term statistics and baselines
- B. channel and power level changes triggered by DFS events
- C. RF template changes to channel width
- D. channel and power level changes triggered by SSID scheduling
Answer: A
Explanation:
Identify the Changes: Radio Resource Management (RRM) changes and their timings.
RRM Changes:
Channel and power settings based on long-term statistics.
RF template changes to channel width.
Changes triggered by SSID scheduling.
Changes triggered by DFS events.
Timing of Changes:
Long-term RRM changes to channel and power settings are typically scheduled once a day to avoid disrupting network performance.
Conclusion:
Channel and power settings across a site based on long-term statistics and baselines are made once a day between 2:00 AM and 3:00 AM local time.
Reference:
Mist Documentation on RRM: Mist Documentation
NEW QUESTION # 59
Which two statements about WLAN templates are correct? (Choose two.)
- A. They can be deployed to the whole organization.
- B. They can be deployed to a policy.
- C. They can be deployed to a certain switch.
- D. They can be deployed to a certain site.
Answer: A,D
Explanation:
WLAN Templates Overview: WLAN templates in Mist AI are used to standardize and manage wireless configurations across multiple locations and devices. They help in maintaining consistent wireless settings and policies throughout the network.
Deployment to the Whole Organization: WLAN templates can indeed be deployed at the organization level. This allows the configurations defined in the template to be applied across all sites and access points within the organization. This approach simplifies the management and ensures uniformity across the network(Juniper Networks).
Deployment to a Certain Site: WLAN templates can also be applied to specific sites. This is useful for organizations with multiple sites having unique wireless requirements. By applying templates at the site level, administrators can tailor configurations to meet local needs while still maintaining control through central management.
NEW QUESTION # 60
When would be the earliest opportunity to configure an access point (AP)?
- A. after the AP is claimed to inventory
- B. after the AP is installed
- C. after the AP is online
- D. after you are on the same network as the AP
Answer: B
Explanation:
Reference: https://www.juniper.net/us/en/products/access-points.html
NEW QUESTION # 61
Which two statements correctly describe Mist claim codes and activation codes? (Choose two.)
- A. Activation codes may be used to claim multiple APs at once.
- B. Claim codes may be used to claim multiple APs at once.
- C. Claim codes may be used to claim only one AP.
- D. An activation code is printed on a sticker on the AP.
Answer: A,C
Explanation:
Claim Codes: Claim codes are unique to each AP and can be used to claim only one AP at a time. This ensures each device is correctly registered and managed individually within the Mist system.
Activation Codes: Activation codes can be used to claim multiple APs at once, facilitating bulk onboarding and simplifying the setup process for large deployments.
NEW QUESTION # 62
Which Mist API is event driven?
- A. Webhook
- B. RESTful
- C. FTP
- D. Python
Answer: A
Explanation:
Event-Driven API: Webhooks are used as an event-driven API in Mist. They allow the system to send real-time notifications to external systems when specific events occur, enabling immediate actions or alerts.
NEW QUESTION # 63
Which protocol is used by Mist to monitor non-Juniper switches?
- A. SMTP
- B. LLDP
- C. IPsec
- D. SNMP
Answer: D
Explanation:
The Simple Network Management Protocol (SNMP) is used by Mist to monitor non-Juniper switches. SNMP is a widely adopted protocol for network management, enabling the collection and organization of information about managed devices on IP networks.
NEW QUESTION # 64
Which two statements correctly describe the encryption of traffic using Mist? (Choose two.)
- A. By default, the communication between an AP and a RADIUS server is not encrypted.
- B. By default, the communication between an AP and a RADIUS server is encrypted.
- C. By default, the communication between a Wi-Fi client and an AP is not encrypted.
- D. By default, the communication between a Wi-Fi client and an AP is encrypted.
Answer: A,D
Explanation:
AP and RADIUS Server Communication: By default, the communication between an Access Point (AP) and a RADIUS server is not encrypted. This can be configured to be encrypted, but it is not the default setting.
Wi-Fi Client and AP Communication: By default, the communication between a Wi-Fi client and an AP is encrypted, typically using WPA2 or WPA3, which ensures the data exchanged over the wireless network is secure.
Reference:
Mist Wireless Security Documentation
RADIUS Configuration Guide
NEW QUESTION # 65
You have five clients on the network and 20 minutes of statistics for each client.
In this scenario, how many user minutes does this equal?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Identify the Scenario: Five clients on the network and 20 minutes of statistics for each client.
Calculation:
User Minutes = 100.
Conclusion:
The total user minutes in this scenario is 100.
NEW QUESTION # 66
Which two statements are correct about the Juniper Mist Wired Assurance brownfield adoption workflow? (Choose two.)
- A. The Juniper Mist QR code on the switch must be scanned by the technician.
- B. DNS resolution must be working on the Juniper switch.
- C. The administrator must have the Juniper switch claim code available.
- D. The same exact switch adoption CLI commands can be pasted into multiple different Juniper switches.
Answer: B,C
NEW QUESTION # 67
What is a Mist Coverage SLE based upon?
- A. an average of client data
- B. a summary of switch data
- C. a summary of user minutes
- D. an average across APs
Answer: C
NEW QUESTION # 68
Which two statements correctly describe the provisioning of greenfield and brownfield switches using the Mist UI? (Choose two.)
- A. Greenfield switches are provisioned using the Adopt Switches button.
- B. Brownfield switches are provisioned using the Claim Switches button.
- C. Brownfield switches are provisioned using the Adopt Switches button.
- D. Greenfield switches are provisioned using the Claim Switches button.
Answer: C,D
Explanation:
Greenfield switches: These are new switches that have not been previously configured or managed. They are typically provisioned using the "Claim Switches" button, as they need to be initially claimed and added to the Mist environment.
Brownfield switches: These are existing switches that have been configured and managed using a different system. They are typically provisioned using the "Adopt Switches" button, as they need to be adopted into the Mist environment while preserving their existing configuration.
NEW QUESTION # 69
How does Mist determine the location of clients in an Indoor setting?
- A. trilateration
- B. GPS
- C. probability surface
- D. triangulation
Answer: A
Explanation:
* Understanding Location Determination in Mist:
Mist uses advanced methods to determine the location of clients in an indoor setting.
* Possible Methods:
Triangulation: Uses angles to determine position, but not typically used by Mist.
GPS: Not feasible indoors due to signal limitations.
Probability Surface: Involves calculating the probability of a client's location, but not the primary method used.
Trilateration: Uses the distance from multiple known points to determine the exact location.
* Mist's Method:
Mist primarily uses trilateration to determine the location of clients by measuring the distance from at least three access points.
NEW QUESTION # 70
How should APs be deployed for location-based services (LBS)?
- A. with the LED facing a wall
- B. with the LED facing the floor
- C. with the LED facing the ceiling
- D. with the AP mounted on a wall
Answer: B
NEW QUESTION # 71
You are asked to create a label that will be applied to a WLAN template.
In this scenario, under which level should you create the label?
- A. clients
- B. WLAN
- C. organization
- D. site
Answer: B
Explanation:
A WLAN template is a configuration template for a Wi-Fi network. Labels are typically used to categorize and organize different WLAN templates. Therefore, creating the label at the WLAN level ensures that the label is directly associated with the specific WLAN template you want to identify.
NEW QUESTION # 72
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