[2025年10月08日] JN0-252のPDFで最近更新された問題です集試験点数を伸ばそう
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質問 # 22
You are asked to configure Mist to send e-mail alerts to your organization administrators, who all have mailboxes that reside on the same e-mail server. Alerts are being generated and are visible in the Mist GUI, but only some administrators are receiving the alert e-mails.
What is the problem in this scenario?
- A. The user e-mail addresses are not correctly formatted.
- B. The affected administrators have not enabled e-mail notifications in their Mist My Account settings.
- C. Your e-mail server is blocking e-mail from Mist.
- D. The organization does not have sufficient alert subscriptions.
正解：B
解説：
Identify the Problem: Alerts are being generated and visible in the Mist GUI, but only some administrators receive the alert emails.
Possible Issues:
User email addresses not correctly formatted.
Email server blocking Mist emails.
Insufficient alert subscriptions.
Administrators not enabling email notifications.
Root Cause:
Since some administrators receive the alerts, email formatting and server blocking issues can be ruled out.
If alert subscriptions were insufficient, no administrators would receive the alerts. The most likely cause is that the affected administrators have not enabled email notifications in their Mist My Account settings.
Resolution:
Ensure that all administrators have enabled email notifications in their Mist My Account settings.
質問 # 23
What is used in Wireless Assurance to evaluate Information about possible network faults?
- A. SNMP
- B. machine learning
- C. syslog analysis
- D. tcpdump
正解：B
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.
Reference:
Juniper Networks Documentation
質問 # 24
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. Capacity
- B. Coverage
- C. Time to Connect
- D. Throughput
正解：C
解説：
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.
質問 # 25
What are three alert levels used in the Mist UI? (Choose three.)
- A. informational
- B. notice
- C. warning
- D. critical
- E. error
正解：A、C、D
質問 # 26
Which three components ate used to deploy location-based services? (Choose three.)
- A. compact flash
- B. SFP
- C. location engine
- D. BLE tags
- E. location sensors
正解：C、D、E
解説：
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.
Reference:
Mist Location Services Documentation
Juniper Location Deployment Guide
質問 # 27
Which SLE would you use to determine Wi-Fi interference?
- A. Capacity
- B. Successful Connects
- C. AP Uptime
- D. Roaming
正解：A
質問 # 28
Which machine learning method involves rewarding and punishing an agent?
- A. reinforcement learning
- B. deep learning
- C. unsupervised learning
- D. supervised learning
正解：A
質問 # 29
You are troubleshooting a signal strength issue when you notice that the signal strength changes from -70 to -73 dBm as you move from one room to another.
In this scenario, what is happening?
- A. Signal strength has decreased by 10x.
- B. Signal strength has doubled.
- C. Signal strength has increased by 10x.
- D. Signal strength has halved.
正解：D
質問 # 30
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. site
- D. organization
正解：B
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 # 31
..are troubleshooting a wireless authentication problem.
Which two Mist features would help you in this scenario? (Choose two.)
- A. client events
- B. packer capture
- C. audit logs
- D. access point events
正解：A、B
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.
Reference:
Juniper Networks Documentation
質問 # 32
Which two statements about the Mist UI are true? (Choose two.)
- A. It can initiate a wired packet capture.
- B. It can initiate a wireless packet capture.
- C. It can initiate a packet capture on cloud uplink.
- D. It can initiate a BLE packet capture.
正解：A、B
解説：
Reference: https://www.mist.com/documentation/wired-packet-capture/
質問 # 33
ten protocol is used by Mist lo monitor non-Juniper switches?
- A. IPsec
- B. LLDP
- C. SMTP
- D. SNMP
正解：D
解説：
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.
Reference:
Juniper Mist Monitoring Documentation
SNMP Configuration Guide
質問 # 34
Which two statements are true about Juniper Mist Wireless Assurance Radio Resource Management (RRM)? (Choose two.)
- A. RRM builds the channel plan based on a real-time assessment of the network.
- B. RRM builds the channel plan based on the physical distance between the APs.
- C. RRM tuning happens automatically.
- D. RRM tuning is a manual process that you must initiate every day.
正解：A、C
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 # 35
What is the minimum administrator role needed to invite a user to be an administrator of an organization?
- A. super user
- B. network admin
- C. installer
- D. helpdesk
正解：A
質問 # 36
Which characteristic describes Mist's cloud software architecture?
- A. microservices based
- B. shard based
- C. monolithic code
- D. controller based
正解：A
解説：
Reference: https://www.mist.com/cloud-architecture-
microservices/#:~:text=The%20Mist%20cloud%20is%20built,take%20minutes%20instead%20of
%20 months
質問 # 37
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