A Fully Updated 2025 JN0-252 Exam Dumps - PDF Questions and Testing Engine
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Juniper JN0-252 Exam Syllabus Topics:
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NEW QUESTION # 35
Which statement is true about unsupervised AI learning?
- A. A human must label the dataset before the AI can be trained on it.
- B. It is used to analyze and classify unlabeled datasets.
- C. It is used to analyze and classify labeled datasets.
- D. A human labels the dataset after the AI trains on it.
Answer: B
NEW QUESTION # 36
You notice a green LED emitted from your AP43.
Referring to the exhibit, what does this signal indicate?
- A. The AP is not configured correctly with no users connected to it.
- B. The AP is configured correctly and at least one user is connected to it.
- C. The AP is not configured correctly but one user is connected to it.
- D. The AP is configured correctly with no users connected to it.
Answer: D
NEW QUESTION # 37
Which device detects a Layer 1 bad cable action within Marvis Actions?
- A. wireless client
- B. wired client
- C. access point
- D. Mist Edge
Answer: D
Explanation:
* The Mist Edge device is responsible for detecting Layer 1 issues, such as bad cable actions, within the Marvis Actions framework.
* Mist Edge integrates with Marvis AI to provide detailed insights into network health, including physical layer issues like faulty cables, which can impact network performance.
* By identifying and alerting administrators to these problems, Mist Edge helps maintain the integrity and reliability of the network infrastructure.
* Reference: Juniper Networks documentation on Mist Edge and its diagnostic capabilities.
NEW QUESTION # 38
What are two requirements for a WebSocket call? (Choose two.)
- A. WebSocket connection URL
- B. WebSocket configuration
- C. authentication token
- D. encryption token
Answer: A,B
Explanation:
Mist Cloud Communication Protocol: The Mist cloud platform uses HTTPS (Hypertext Transfer Protocol Secure) to communicate with connected access points. This ensures that the data sent and received is encrypted and secure, adhering to modern security standards (Juniper Networks) (CertEnsure).
Security and Reliability: Using HTTPS provides a secure channel over which configuration changes, updates, and monitoring data can be safely transmitted between the Mist cloud and the access points. This protocol is widely accepted and trusted for secure communications over the internet.
Incorrect Options:
MQTT: While MQTT is a lightweight messaging protocol often used in IoT, it is not the protocol used by Mist cloud for AP communication.
SSH: Secure Shell (SSH) is primarily used for secure remote command-line access and not for the primary communication between Mist cloud and APs.
PPTP: Point-to-Point Tunneling Protocol (PPTP) is used for implementing VPNs and is not relevant to the communication between Mist cloud and access points.
Reference:
Juniper Networks Documentation: Mist Cloud Communication
NEW QUESTION # 39
The Mist help menu provides direct access to which two features? (Choose two.)
- A. firmware updates
- B. company updates
- C. feature updates
- D. hardware updates
Answer: A,C
NEW QUESTION # 40
You just received the newest Mist AP and want to enable a feature that is only available at this time on Release Candidate 1.
In this scenario, using the Mist GUI, where would you determine which version of Release Candidate 1 is available for your AP?
- A. Support Tickets and Documentation -> Mist Edge Updates
- B. Support Tickets and Documentation -> Firmware Updates
- C. Support Tickets and Documentation -> Ports & Endpoints
- D. Support Tickets and Documentation -> Feature Updates
Answer: B
Explanation:
Reference: https://www.juniper.net/documentation/us/en/software/nce/nce-214-midsize-branch- mist-pwp/topics/topic-map/nce-214-midsize-branch-mist-example_part2.html
NEW QUESTION # 41
In the Mist UI, what are two Marvis Actions for the AP category? (Choose two.)
- A. Coverage Hole
- B. MTU Mismatch
- C. Health Check Failed
- D. High CPU
Answer: A,C
Explanation:
Coverage Hole: Marvis Actions can identify coverage holes where the wireless signal is weak or absent, indicating potential areas that need additional access points or adjustments.
Health Check Failed: This action indicates that the health check, which monitors the performance and connectivity of an access point, has failed, suggesting issues that need to be addressed.
NEW QUESTION # 42
Which two statements correctly describe Mist single sign-on (SSO)? (Choose two.)
- A. Mist administrative logins cannot use SSO.
- B. Guest user access cannot use SSO.
- C. Guest user access can use SSO.
- D. Mist administrative logins can use SSO.
Answer: B,D
Explanation:
Mist Administrative Logins: Mist administrative logins can utilize Single Sign-On (SSO), allowing administrators to log in using their corporate credentials, enhancing security and ease of access.
Guest User Access: Guest user access cannot use SSO, as SSO is intended for internal users and administrators rather than external guest users who access the network.
Reference:
Mist SSO Configuration Guide
SSO Integration Overview
NEW QUESTION # 43
When browsing the Marvis Actions page, you notice that something has triggered the "AP Offline" Marvis Action. You click on that action.
What information will you see displayed? (Choose two.)
- A. Mist support ticket status
- B. resolved action
- C. recommended action
- D. Marvis Action status
Answer: C,D
Explanation:
When browsing the Marvis Actions page and you click on the "AP Online" Marvis Action, you will see:
Marvis Action Status: This indicates the current state of the action, whether it is in progress, resolved, or another status.
Recommended Action: Marvis will provide a suggested course of action to resolve the issue. This could include steps like configuration changes or other remedial actions.
NEW QUESTION # 44
Which Mist API is event driven?
- A. Python
- B. Webhook
- C. RESTful
- D. FTP
Answer: B
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 # 45
What is an advantage of using the Juniper Mist cloud compared to traditional on-premises WLAN controllers?
- A. The ability to configure Mist cloud using any connected AP.
- B. More robust AP encryption occurs.
- C. Machine learning occurs through microservices.
- D. Mist updates occur daily.
Answer: D
Explanation:
Reference: https://www.juniper.net/us/en/solutions/wireless-access.html
NEW QUESTION # 46
What is a Mist Coverage SLE based upon?
- A. a summary of user minutes
- B. an average of client data
- C. an average across APs
- D. a summary of switch data
Answer: A
NEW QUESTION # 47
....the correct lime zone for a Mist site provides which benefit?
- A. enablement of remote access to the site during specific time slots
- B. optimization of network performance based on time-of-day usage
- C. facilitation of troubleshooting by aligning event timestamps with local time
- D. synchronization of device clocks for accurate scheduling of events
Answer: C
Explanation:
Time Zone Importance: Setting the correct time zone for a Mist site ensures that all events and logs are timestamped accurately according to the local time of the site. This is crucial for effective monitoring and troubleshooting.
Facilitation of Troubleshooting: By aligning event timestamps with the local time, network administrators can correlate events more easily with specific incidents reported by users, thereby simplifying the troubleshooting process.
Reference:
Juniper Networks Documentation
NEW QUESTION # 48
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 encrypted.
- B. By default, the communication between an AP and a RADIUS server is not 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: B,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 # 49
You are asked to bring Mist APs online for your organization. In this situation, which port must be allowed on your company's firewall for AP access to the Mist cloud?
- A. UDP/1812
- B. TCP/80
- C. TCP/443
- D. UDP/22
Answer: C
Explanation:
Reference: https://www.mist.com/documentation/ports-enable-
firewall/#:~:text=Mist%20APs%20need%20the%20following,be%20a%20public%20DNS%20serv er
NEW QUESTION # 50
Which statement is correct about the SLE dashboard?
- A. SLEs are displayed as a percentage of success and classifiers are displayed as a percentage of failure.
- B. Both SLEs and classifiers are displayed as a percentage of success.
- C. SLEs are displayed as a percentage of failure and classifiers are displayed as a percentage of success.
- D. Both SLEs and classifiers are displayed as a percentage of failure.
Answer: B
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 # 51
Which three components are used to deploy location-based services? (Choose three.)
- A. location engine
- B. BLE tags
- C. location sensors
- D. compact flash
- E. SFP
Answer: A,B,C
Explanation:
To deploy location-based services in Mist, the following components are used:
Location Sensors: These devices capture the location data from BLE tags and other devices.
BLE Tags: These are small devices that emit Bluetooth signals to be picked up by location sensors.
Location Engine: This software processes the data from the sensors and tags to determine precise locations and provide analytics.
NEW QUESTION # 52
AP is connected lo your wired network but Is not claimed to your organization. Which type of AP would be a possible security threat in this scenario?
- A. spoofed AP
- B. rogue AP
- C. honeypot AP
- D. neighbor AP
Answer: B
Explanation:
Types of APs and Security Threats:
Understanding different types of access points and their potential security threats.
Access Point Types:
Neighbor AP: An access point that belongs to a neighboring network and is not necessarily a security threat.
Rogue AP: An unauthorized access point connected to the wired network, posing a significant security threat.
Spoofed AP: An access point that mimics a legitimate one, but typically does not involve being connected to the network.
Honeypot AP: An access point set up to lure attackers, not necessarily a threat unless used maliciously.
Identifying the Threat:
An AP connected to your wired network but not claimed to your organization is considered a rogue AP and poses a security threat.
Conclusion:
The correct answer is B.
Reference:
Mist Documentation on Access Point Security: Mist Documentation
NEW QUESTION # 53
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