Updated May-2024 Pass JN0-251 Exam - Real Practice Test Questions
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Juniper JN0-251 (Mist AI, Associate (JNCIA-MistAI)) Exam is an industry-recognized certification that validates your knowledge and skills in using the Juniper Mist AI platform. JN0-251 exam is designed for individuals who want to demonstrate their proficiency in implementing and managing Mist AI technologies in their network infrastructure. By passing JN0-251 exam, you can showcase your ability to configure, monitor, and troubleshoot Juniper Mist AI solutions.
Juniper Networks is a leading provider of networking solutions, and Mist AI is a cloud-based platform that provides network visibility, automation, and analytics. The platform uses artificial intelligence (AI) and machine learning (ML) to optimize network performance, troubleshoot issues, and reduce downtime. As the demand for AI-based networking solutions continues to grow, the JN0-251 certification will become increasingly valuable for network professionals.
NEW QUESTION # 11
Which two SLEs report DHCP problems? (Choose two.)
- A. Capacity
- B. Time to Connect
- C. Throughput
- D. Successful Connects
Answer: B,D
NEW QUESTION # 12
Which statement defines the total user minutes?
- A. The total amount of device uptime over the last seven days.
- B. The total number of minutes for which Mist has statistics for each client.
- C. The average number of minutes that all clients have been associated to the network.
- D. The total number of minutes between a client's last association and disassociation.
Answer: B
NEW QUESTION # 13
Referring to the exhibit, what do you determine about the site's Time to Connect SLE metric?
- A. Successful connect averaged 1.6 seconds.
- B. Time to Connect Association DHCP failures impacted 80% of users.
- C. Eighty percent of the Time to Connect failures are related to DHCP failures
- D. All clients cannot connect to the Internet.
Answer: A
NEW QUESTION # 14
Mist cloud supports single sign-on in which two scenarios? (Choose two.)
- A. account login used for the RESTful API
- B. account login used for NETCONF
- C. admin login to the Mist portal
- D. Wi-Fi guest login access
Answer: A,D
NEW QUESTION # 15
Which two statements are correct about creating Mist sites? (Choose two.)
- A. A Mist site can belong to multiple organizations.
- B. You can create and manage multiple sites with a Mist account.
- C. You can only create and manage a single site with a Mist account.
- D. A Mist site can only belong to a single organization.
Answer: B,D
NEW QUESTION # 16
Which statement is correct about Mist AP packet capture?
- A. You can configure a wired or wireless packet capture manually.
- B. You can only trigger wired or wireless packet captures dynamically.
- C. You can only configure wired packet captures manually.
- D. You can only configure wireless packet captures manually.
Answer: B
NEW QUESTION # 17
Referring to the exhibit, what do you determine about the site's Time to Connect SLE metric?
- A. Eighty percent of the Time to Connect failures are related to DHCP failures
- B. Successful connect averaged 1.6 seconds.
- C. Time to Connect Association DHCP failures impacted 80% of users.
- D. All clients cannot connect to the Internet.
Answer: A
NEW QUESTION # 18
How does Mist detect rogue APs?
- A. by using the AP's 2.4 GHz radio band
- B. by using Radio Resource Management (RRM)
- C. by using the AP's third dedicated radio
- D. by using the AP's 5 GHz radio band
Answer: C
Explanation:
Reference:
According to the web search results, Mist detects rogue APs by using the AP's third dedicated radio, which is used for scanning the wireless spectrum and detecting unauthorized APs on both 2.4 GHz and 5 GHz radio bands1. A rogue AP is an unauthorized access point that is installed on a network without the knowledge or consent of the network administrator1. A rogue AP can pose a serious security threat to a network, as it can allow attackers to bypass the network's security policies and gain access to sensitive data or launch other attacks1. A rogue AP can also interfere with the performance of the legitimate APs and cause network congestion or degradation1.
Mist APs have three radios: one for 2.4 GHz, one for 5 GHz, and one for scanning1. The scanning radio is used for detecting rogue, neighbor, and honeypot APs on both 2.4 GHz and 5 GHz radio bands1. This means that regardless of which radios you have enabled on your AP (2.4 GHz or 5 GHz), it will still be able to detect unauthorized APs at any frequency using the scanning radio1. The scanning radio can also provide other benefits, such as monitoring the network performance, optimizing the channel selection, and enhancing the location services1.
Therefore, based on the web search results, Mist detects rogue APs by using the AP's third dedicated radio, which is used for scanning the wireless spectrum and detecting unauthorized APs on both 2.4 GHz and 5 GHz radio bands.
NEW QUESTION # 19
Besides providing AP configuration status, for which other purpose is the LED used in the location design phase?
- A. antenna orientation
- B. channels in use
- C. height orientation
- D. frequency selection
Answer: A
NEW QUESTION # 20
In the Mist Access Point portfolio, which dedicated device would be used in location-based services (LBS)?
- A. AP12
- B. BT11
- C. AP34
- D. AP32
Answer: B
NEW QUESTION # 21
Which statement is correct about Marvis Actions?
- A. It automatically issues an RMA for an AP.
- B. It summarizes user trouble tickets and detected AP problems.
- C. It summarizes all of the misconfigured WLANs at a site.
- D. It automatically detects and reports network problems.
Answer: D
NEW QUESTION # 22
Which administrator role is based on a timed grace period for Mist site and AP configuration access?
- A. Observer
- B. Helpdesk
- C. Installer
- D. Network Admin
Answer: C
Explanation:
Reference:
According to the Administrator Roles page, the Installer role is based on a timed grace period for Mist site and AP configuration access1. The Installer role has minimum access to the organization and can do the initial installation tasks such as claim AP to Org, assign AP to site, or place on map, etc1. However, the Installer role cannot unclaim or remove the AP from the Org1. The site and AP access for the Installer role is based on a timed grace period after the last modified time, which is by default 7 days1. This means that the Installer role can only access the site and AP for 7 days after the last configuration change1. The Installer role uses the API and Mist AI App, and has no access to the native Admin UI1.
NEW QUESTION # 23
How does Mist detect rogue APs?
- A. by using the AP's 2.4 GHz radio band
- B. by using Radio Resource Management (RRM)
- C. by using the AP's third dedicated radio
- D. by using the AP's 5 GHz radio band
Answer: C
NEW QUESTION # 24
vBLE engagement works on transmit mode and has 1 m to 3 m accuracy using which feature?
- A. Wi-Fi IoT sensors
- B. a BLE radio
- C. the Mist location SDK
- D. Wi-Fi enabled devices
Answer: B
NEW QUESTION # 25
Which two statements are correct about an Organization ID? (Choose two.)
- A. The Organization ID is the encrypted version of the Organization Name field.
- B. The Organization ID is randomly created by the system.
- C. The Organization ID is used to identify the organization when using APIs.
- D. The Organization ID is manually defined by the user.
Answer: B,C
NEW QUESTION # 26
Which two methods are supported for configuring a Mist environment? (Choose two.)
- A. Use NETCONF.
- B. Use the GUI.
- C. Use the CLI.
- D. Use the API.
Answer: B,D
Explanation:
Reference:
According to the Juniper Networks documentation, there are two methods that are supported for configuring a Mist environment: using the API and using the GUI1. The API is a programmatic interface that allows you to interact with the Mist cloud and perform various tasks, such as creating and managing organizations, networks, sites, devices, users, and policies2. The API uses the RESTful architecture and supports JSON and XML formats2. You can use the API to automate and customize your Mist environment according to your needs2.
The GUI is a graphical user interface that allows you to access and manage your Mist environment through a web browser1. The GUI provides a user-friendly and intuitive way to configure and monitor your Mist devices, networks, sites, users, and policies3. The GUI also provides various features, such as dashboards, reports, analytics, insights, troubleshooting tools, and Marvis virtual network assistant3. You can use the GUI to easily and quickly set up and optimize your Mist environment3.
NEW QUESTION # 27
Which two statements are correct about microservices? (Choose two.)
- A. A microservice can be added without system downtime.
- B. Each microservice uses the same virtual hardware.
- C. All microservices can be updated at the same time without downtime.
- D. A microservice can be updated without system downtime.
Answer: A,D
NEW QUESTION # 28
Which Mist AI feature would help you to troubleshoot a client's failed authentication?
- A. dynamic packet capture
- B. WLAN profile
- C. live view
- D. client dashboard
Answer: A
NEW QUESTION # 29
What happens when Mist subscriptions expire?
- A. Devices retain their configurations but the Mist user is prevented from accessing the Mist management GUI.
- B. Devices retain their configurations but Mist management GUI functionality related to expired subscriptions are not configurable by the user.
- C. Devices retain their configurations and all Mist management GUI functionality remains available to the user.
- D. Devices retain their configurations for 90 days; if the subscriptions are not renewed, the configuration is deleted and the devices are reset to factory default.
Answer: B
NEW QUESTION # 30
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 increased by 10x.
- B. Signal strength has decreased by 10x.
- C. Signal strength has halved.
- D. Signal strength has doubled.
Answer: C
NEW QUESTION # 31
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