検証済み！JN0-252問題集と解答でJN0-252テストエンジン正確解答付き
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質問 # 51
An organization administrator, what are two ways to configure additional layers of security for administrator logins? (Choose two.)
- A. Disable a password policy.
- B. Enable two-factor authentication.
- C. Increase session timeouts.
- D. Enable a password policy.
正解：B、D
解説：
Enable Two-Factor Authentication (2FA): Adding 2FA to administrator logins significantly enhances security by requiring a second form of verification in addition to the password, making unauthorized access more difficult.
Enable a Password Policy: Implementing a strong password policy ensures that passwords meet certain complexity and length requirements, reducing the risk of brute force attacks.
Reference:
Juniper Networks Documentation
質問 # 52
Which step must you take when configuring rogue AP detection?
- A. Set the Radio Resource Management (RRM) interval.
- B. Set the proximity zones.
- C. Disable honeypot detection.
- D. Enable rogue AP detection.
正解：D
解説：
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.
質問 # 53
Which location-based service does User Engagement provide?
- A. ultra wide band location
- B. asset tracking
- C. Wi-Fi presence analytics
- D. wayfinding
正解：C
質問 # 54
....does Mist use Al reinforcement learning?
- A. Mist uses reinforcement learning in its Radio Resource Management (RRM) service.
- B. Mist uses reinforcement learning to troubleshoot voice call quality issues.
- C. Mist uses reinforcement learning in its dynamic packet capture service.
- D. Mist uses reinforcement learning to troubleshoot video call connection Issues.
正解：A
解説：
Mist AI uses reinforcement learning in its Radio Resource Management (RRM) service. This approach allows the system to dynamically optimize the performance of the wireless network by adjusting various radio parameters. The RRM service continuously learns and adapts based on network conditions, user behavior, and environmental factors to ensure optimal performance and reliability.
Reference:
Juniper Mist AI Overview
Mist AI Technology
質問 # 55
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. site
- B. clients
- C. WLAN
- D. organization
正解：C
解説：
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.
質問 # 56
Which two statements are true about packet captures on an AP? (Choose two.)
- A. The involved APs are taken out of service.
- B. The involved APs remain in service.
- C. Only wireless packets can be captured.
- D. Wireless and wired packets can be captured.
正解：B、D
解説：
Mist APs have the capability to capture both wireless and wired packets. This feature allows for comprehensive network troubleshooting by providing visibility into both types of traffic. When performing packet captures on Mist APs, the APs remain in service. This means they continue to operate and serve clients while the capture is ongoing, ensuring minimal disruption to network operations.
This functionality is critical for maintaining network availability and performance while conducting detailed packet analysis.
質問 # 57
Which two statements are correct about microservices? (Choose two.)
- A. All microservices can be updated at the same time without downtime.
- B. A microservice can be updated without system downtime.
- C. A microservice can be added without system downtime.
- D. Each microservice uses the same virtual hardware.
正解：B、C
質問 # 58
Under Marvis Actions, what is required for Marvis to provide a visualization of low coverage and low-capacity issues within the network?
- A. a cloud-ready switch
- B. a Premium Analytics subscription
- C. a floor plan
- D. a WAN edge device
正解：C
解説：
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.
質問 # 59
Which two methods are supported for configuring a Mist environment? (Choose two.)
- A. Use the API.
- B. Use NETCONF.
- C. Use the GUI.
- D. Use the CLI.
正解：A、C
質問 # 60
Which two statements correctly describe Mist organizations and sites? (Choose two.)
- A. Multiple sites may be contained within a single organization.
- B. An organization is contained within a site.
- C. A site is contained within an organization.
- D. Multiple organizations may be contained within a single site.
正解：A、C
解説：
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.
質問 # 61
In a production network, what are two types of security threats? (Choose two.)
- A. honeypot AP
- B. neighbor AP
- C. scanning radio
- D. rogue AP
正解：A、D
質問 # 62
Which two Mist location tracking components run in the cloud? (Choose two.)
- A. BLE tag
- B. location engine
- C. location sensor
- D. location system
正解：B、D
解説：
Location Engine: The location engine runs in the cloud and processes data from BLE tags and sensors to determine the location of devices within a network. It performs the necessary computations to provide accurate location tracking and analytics.
Location System: The location system, also cloud-based, integrates with the location engine to provide a complete solution for tracking and managing location data within Mist's ecosystem. This system supports various applications such as asset tracking, wayfinding, and proximity-based services.
質問 # 63
The Mist help menu provides direct access to which two features? (Choose two.)
- A. feature updates
- B. company updates
- C. firmware updates
- D. hardware updates
正解：A、C
質問 # 64
What are asked to create a label that will be applied to a WLAN template.
This scenario, under which level should you create the label?
- A. WLAN
- B. site
- C. clients
- D. organization
正解：B
解説：
When creating a label to be applied to a WLAN template in Mist AI, you should create the label at the site level. This is because WLAN templates are designed to be associated with specific sites or site groups, allowing you to customize WLAN configurations per site. Creating labels at the site level ensures that these configurations are applied appropriately within the desired site context.
Reference:
Mist AI Documentation
Juniper Networks Site Groups
質問 # 65
The Mist Site Insights Dashboard helps network administrators in which two ways? (Choose two.)
- A. It identifies issues affecting an end user's network experience displayed as a percentage of success.
- B. It identifies when a monitored component of the network has crossed a defined threshold.
- C. It displays information about the current WLANs.
- D. It displays when a bad event has been logged.
正解：A、B
質問 # 66
In the Mist Access Point portfolio, which dedicated device would be used in location-based services (LBS)?
- A. AP34
- B. AP12
- C. AP32
- D. BT11
正解：D
解説：
Reference: https://www.mist.com/resources/ap43-access-point/
質問 # 67
Which two statements correctly describe Mist single sign-on (SSO)? (Choose two.)
- A. Guest user access cannot use SSO.
- B. Mist administrative logins can use SSO.
- C. Guest user access can use SSO.
- D. Mist administrative logins cannot use SSO.
正解：A、B
解説：
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.
質問 # 68
Which SLE reports RF interference?
- A. AP Health
- B. Capacity
- C. Coverage
- D. Roaming
正解：C
解説：
* In Mist's Service Level Expectations (SLE) framework, the Coverage SLE is responsible for reporting on RF interference.
* The Coverage SLE monitors the strength and quality of the wireless signal, ensuring that clients are receiving adequate coverage throughout the network. It also identifies areas where RF interference might be degrading the signal quality.
* By tracking RF interference, the Coverage SLE helps administrators diagnose and mitigate issues that could impact wireless performance and user experience.
* Reference: Juniper Networks documentation on Mist SLEs and their specific metrics.
質問 # 69
Which two statements are true about Juniper Mist Wireless Assurance Radio Resource Management (RRM)? (Choose two.)
- A. RRM tuning is a manual process that you must initiate every day.
- B. RRM tuning happens automatically.
- C. RRM builds the channel plan based on the physical distance between the APs.
- D. RRM builds the channel plan based on a real-time assessment of the network.
正解：B、D
解説：
Real-time Assessment: Juniper Mist's Radio Resource Management (RRM) builds the channel plan based on real-time network assessments. It dynamically adjusts to changing conditions in the RF environment, ensuring optimal performance by continuously monitoring factors such as interference, client distribution, and usage patterns. Automatic Tuning: RRM tuning happens automatically. Mist AI leverages reinforcement learning to continually optimize RF settings without manual intervention, adjusting channels, power levels, and other parameters in real-time to maintain optimal network performance.
質問 # 70
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 level changes triggered by SSID scheduling
- B. RF template changes to channel width
- C. channel and power level changes triggered by DFS events
- D. channel and power settings across a site based on long-term statistics and baselines
正解：D
解説：
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
質問 # 71
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