合格保証付きクイズ2025年最新の実際に出る検証済みのJN0-253無料試験問題集
無料JNCIA-MistAI JN0-253究極な学習ガイド（更新されたのは77問があります)
質問 # 16
Using the Mist UI, where do you look for high priority end-user issues on the network?
- A. Marvis Actions
- B. Occupancy Analytics
- C. Network Analytics
- D. Premium Analytics
正解：A
質問 # 17
What is used in Wireless Assurance to evaluate information about possible network faults?
- A. tcpdump
- B. syslog analysis
- C. machine learning
- D. SNMP
正解：C
解説：
Machine Learning in Wireless Assurance: Mist's Wireless Assurance uses machine learning to analyze telemetry data and identify potential network issues. This approach allows for proactive identification and resolution of faults, improving overall network reliability and performance.
質問 # 18
What are two requirements for a WebSocket call? (Choose two.)
- A. authentication token
- B. WebSocket connection URL
- C. WebSocket configuration
- D. encryption token
正解：A、B
質問 # 19
You are troubleshooting a wireless authentication problem.
Which two Mist features would help you in this scenario? (Choose two.)
- A. packet capture
- B. access point events
- C. client events
- D. audit logs
正解：A、C
解説：
Packet Capture: This feature allows for detailed inspection of traffic at the packet level. Capturing packets can help identify issues with authentication protocols, such as misconfigured settings or failures in the authentication exchange process.
Client Events: Monitoring client events provides insights into the client's authentication attempts, including successes and failures. This data helps in pinpointing where in the process the failure occurs, whether at the client, access point, or authentication server.
質問 # 20
Which three statements about Juniper Mist cloud's microservices are correct? (Choose three.)
- A. They allow for manual control of feature updates and bug fixes.
- B. They provide increased scalability.
- C. They allow for Mist to be installed onsite or accessed from the cloud.
- D. They implement machine learning.
- E. They provide agile feature updates and bug fixes.
正解：B、D、E
質問 # 21
Which two statements are true about packet captures on an AP? (Choose two.)
- A. Wireless and wired packets can be captured.
- B. Only wireless packets can be captured.
- C. The involved APs remain in service.
- D. The involved APs are taken out of service.
正解：A、C
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 # 22
In the Mist UI, what are two Marvis Actions for the AP category? (Choose two.)
- A. Health Check Failed
- B. MTU Mismatch
- C. Coverage Hole
- D. High CPU
正解：A、C
解説：
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.
質問 # 23
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. You will need to log in to Mist every 60 minutes regardless of which organization you are viewing.
- B. To stay logged in, you will need to perform an action in Mist every 10 minutes regardless of which organization you are viewing.
- C. You will need to log in to Mist every 60 minutes as long as you are viewing this organization.
- D. To stay logged in, you will need to perform an action in Mist every 10 minutes as long as you are viewing this organization.
正解：A、B
解説：
Session Timeout (60 minutes):
This timeout applies globally, meaning you will be logged out of Mist after 60 minutes of continuous session time, regardless of which organization you are working in.
Inactivity Timeout (10 minutes):
If there is no user activity for 10 minutes, you will be logged out automatically. This also applies globally, regardless of the organization being accessed.
質問 # 24
Which two use cases are popular in location-based services (LBS) deployments? (Choose two.)
- A. micro segmentation
- B. way finding
- C. asset tracking
- D. SSID scheduling
正解：B、C
解説：
Asset Tracking: Asset tracking is a common use case in LBS deployments, enabling organizations to locate and manage assets in real-time. This is particularly useful in environments like hospitals, warehouses, and large corporate campuses where knowing the precise location of equipment can save time and improve efficiency.
Wayfinding: Wayfinding helps users navigate through complex environments, such as large buildings, airports, and shopping malls. By providing real-time navigation assistance, LBS enhances the user experience and improves accessibility within these spaces.
質問 # 25
Which two statements are correct about Juniper Mist Wired Assurance ZTP? (Choose two.)
- A. The cloud-ready Juniper switch must either boot from the factory-default state or you can issue the request system zeroize Junos command to reset the configuration.
- B. The switch must be running a supported Junos version for Juniper Mist Wired Assurance.
- C. All legacy Juniper switch models are supported.
- D. The technician must have console access to the switch during the initial setup.
正解：A、B
解説：
Supported Junos Version: For Juniper Mist Wired Assurance to function correctly, the switch must be running a supported Junos version. This ensures compatibility with Mist's cloud management and AI capabilities.
Factory-Default State or Zeroize Command: The switch must boot from a factory-default state, or you can use the request system zeroize command to reset its configuration. This is essential for seamless onboarding and auto-provisioning.
質問 # 26
Which location-based service does User Engagement provide?
- A. wayfinding
- B. ultra wide band location
- C. Wi-Fi presence analytics
- D. asset tracking
正解：C
質問 # 27
Mist cloud supports single sign-on in which two scenarios? (Choose two.)
- A. admin login to the Mist portal
- B. Wi-Fi guest login access
- C. account login used for the RESTful API
- D. account login used for NETCONF
正解：C、D
質問 # 28
Which two Mist location tracking components run in the cloud? (Choose two.)
- A. BLE tag
- B. location system
- C. location sensor
- D. location engine
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 # 29
Which device detects a Layer 1 bad cable action within Marvis Actions?
- A. Mist Edge
- B. wired client
- C. wireless client
- D. access point
正解：A
解説：
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.
質問 # 30
What are two benefits of Juniper Mist Wired Assurance? (Choose two.)
- A. Ability to deploy campus fabric architectures in minutes based on intent.
- B. Configuration settings for multi-gig access ports that are not available in the Junos CLI.
- C. Support for ZTP.
- D. It is the only way to configure Virtual Chassis settings for Juniper EX switches.
正解：A、C
解説：
Juniper Mist Wired Assurance provides several benefits aimed at simplifying network management and enhancing performance.
Ability to deploy campus fabric architectures in minutes based on intent: Wired Assurance leverages automation and intent-based networking to quickly deploy and manage complex campus fabric architectures. This feature significantly reduces the time and effort required to set up and maintain such networks.
Support for ZTP (Zero Touch Provisioning): Wired Assurance includes ZTP capabilities, which allow for the automatic provisioning and configuration of switches as soon as they are connected to the network. This reduces the need for manual intervention and speeds up the deployment process. These features are part of a broader suite of tools that Wired Assurance provides to streamline network operations, improve reliability, and enhance visibility into network performance.
質問 # 31
In the Mist UI, which part of the system platform provides information about missing VLANs?
- A. Marvis Actions
- B. Switch Insights
- C. Events
- D. Service-Level Exceptions
正解：A
解説：
System Platform Components in Mist UI:
Different components provide various insights and information about the network.
Component Descriptions:
Switch Insights: Provides detailed information about switch performance and status. Events: Logs and displays events occurring in the network but does not specifically highlight missing VLANs.
Marvis Actions: AI-driven insights and recommendations that include identifying and suggesting actions for missing VLANs.
Service-Level Exceptions (SLEs): Monitor and report on performance metrics, not specifically focused on VLAN issues.
質問 # 32
At which two configuration levels are WLAN objects created? (Choose two.)
- A. org level
- B. user level
- C. device level
- D. site level
正解：A、D
解説：
Site Level: WLAN objects can be created at the site level, allowing specific configurations for different locations within an organization. This helps in customizing WLAN settings based on the unique requirements of each site.
Org Level: WLAN objects can also be created at the organization level, which provides a standardized configuration that can be applied across multiple sites. This ensures consistency in WLAN settings throughout the entire organization.
質問 # 33
Which statement is correct about Wi-Fi location-based services (LBS)?
- A. Wi-Fi LBS does not require a subscription.
- B. Wi-Fi LBS requires a Wired Assurance subscription.
- C. Wi-Fi LBS needs the User Engagement subscription.
- D. Wi-Fi LBS requires the Wireless Assurance subscription.
正解：C
解説：
Wi-Fi Location-Based Services (LBS) provided by Mist require the User Engagement subscription. This subscription includes features that enhance user interactions and engagement, such as location services, which are critical for delivering personalized and location-aware experiences. By leveraging Wi-Fi LBS with the User Engagement subscription, organizations can offer advanced services like wayfinding, asset tracking, and location analytics.
質問 # 34
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. organization
- C. WLAN
- D. site
正解：D
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.
質問 # 35
Which statement is correct about the SLE dashboard?
- A. Both SLEs and classifiers are displayed as a percentage of failure.
- B. SLEs are displayed as a percentage of failure and classifiers are displayed as a percentage of success.
- C. SLEs are displayed as a percentage of success and classifiers are displayed as a percentage of failure.
- D. Both SLEs and classifiers are displayed as a percentage of success.
正解：C
解説：
In the SLE dashboard, Service Level Expectations (SLEs) are shown as a percentage of success to highlight how well the network is performing. On the other hand, classifiers are displayed as a percentage of failure to indicate areas where issues are occurring and need attention. This approach helps provide a clear understanding of both overall performance and problem areas.
質問 # 36
Setting the correct time zone for a Mist site provides which benefit?
- A. facilitation of troubleshooting by aligning event timestamps with local time
- B. synchronization of device clocks for accurate scheduling of events
- C. optimization of network performance based on time-of-day usage
- D. enablement of remote access to the site during specific time slots
正解：A
解説：
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.
質問 # 37
What is the maximum number of nodes supported in a Mist Edge high availability cluster?
- A. ten nodes
- B. two nodes
- C. unlimited nodes
- D. three nodes
正解：B
解説：
A Mist Edge high availability cluster supports a maximum of two nodes. This allows for redundancy and failover in case one of the nodes goes down.
質問 # 38
Where does Mist use AI reinforcement learning?
- A. Mist uses reinforcement learning to troubleshoot video call connection issue.
- B. Mist uses reinforcement learning in its Radio Resource Management (RRM) service.
- C. Mist uses reinforcement learning in its dynamic packet capture service.
- D. Mist uses reinforcement learning to troubleshoot voice call quality issues.
正解：B
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.
質問 # 39
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