JN0-251 Braindumps Real Exam Updated on Apr 24, 2024 with 79 Questions
Latest JN0-251 PDF Dumps & Real Tests Free Updated Today
Juniper JN0-251 (Mist AI, Associate (JNCIA-MistAI)) Exam is a certification exam that has been designed to test the candidate's knowledge of the Mist AI platform. JN0-251 exam is ideal for those who are interested in pursuing a career in networking and want to gain expertise in the latest technologies. JN0-251 exam is designed to test the candidate's knowledge of the Mist AI platform, including its features, functionality, and implementation.
NEW QUESTION # 42
Which statement is correct about Marvis Actions?
- A. It automatically detects and reports network problems.
- B. It automatically issues an RMA for an AP.
- C. It summarizes all of the misconfigured WLANs at a site.
- D. It summarizes user trouble tickets and detected AP problems.
Answer: A
Explanation:
Reference:
According to the web search results, Marvis Actions is a feature that automatically detects and reports network problems that affect the user experience in an organization1. Marvis Actions uses the Mist AI to identify the root cause of issues and provide recommended solutions or automated fixes1. Marvis Actions can provide insight into issues across the wired, WAN, and wireless networks, at the managed service provider (MSP) level, organization level, and site level1. Marvis Actions can help network administrators monitor, troubleshoot, and optimize their network by providing real-time and historical data and analytics1.
NEW QUESTION # 43
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 # 44
Which two statements are correct about an Organization ID? (Choose two.)
- A. The Organization ID is manually defined by the user.
- B. The Organization ID is the encrypted version of the Organization Name field.
- C. The Organization ID is randomly created by the system.
- D. The Organization ID is used to identify the organization when using APIs.
Answer: C,D
NEW QUESTION # 45
Alert templates are assigned to sites in which area of the Mist GUI?
- A. Site Group
- B. Alert Template Configuration
- C. Site Configuration
- D. Organization Settings
Answer: A
Explanation:
Alert templates are assigned to sites in the Site Group area of the Mist GUI. A site group is a logical grouping of sites that share common settings and policies, such as alert templates, WLAN profiles, switch profiles, and site tags. A site group can contain one or more sites, and a site can belong to one or more site groups.
To assign an alert template to a site group, you need to navigate to Organization > Site Groups and select the site group that you want to edit. Then, you need to click on the Alert Template tab and choose the alert template that you want to apply to the site group. You can also create a new alert template or edit an existing one from this tab.
An alert template is a configuration that defines the types of alerts that you want to monitor and receive notifications for on your network. Alerts are events that indicate ongoing network and device issues, such as device offline, AP reboot, PSK failure, rogue AP, etc. You can create and manage alert templates in the Monitor > Alerts > Alert Configuration area of the Mist GUI.
NEW QUESTION # 46
Mist cloud supports single sign-on in which two scenarios? (Choose two.)
- A. admin login to the Mist portal
- B. account login used for NETCONF
- C. Wi-Fi guest login access
- D. account login used for the RESTful API
Answer: C,D
NEW QUESTION # 47
Which statement is correct about Mist AP packet capture?
- A. You can only configure wireless packet captures manually.
- B. You can only configure wired packet captures manually.
- C. You can only trigger wired or wireless packet captures dynamically.
- D. You can configure a wired or wireless packet capture manually.
Answer: C
NEW QUESTION # 48
Which administrator role must you have to view audit logs?
- A. Installer
- B. Super User
- C. Network Admin
- D. Observer
Answer: C
Explanation:
According to the web search results, the administrator role that you must have to view audit logs is Network Admin. Audit logs are records of the actions and changes that occur on the Mist platform, such as configuration updates, firmware upgrades, device claims, or user logins1. Audit logs can help network administrators monitor, troubleshoot, and audit their network by providing information such as the date, time, user, site, device, and description of each action1.
According to the Administrator Roles page, there are five types of roles that can be assigned to users in a Mist organization: Super User, Network Admin, Helpdesk, Observer, and Installer2. Each type of role has different read and write capabilities for the organization and its sites2. Network Admin is one of the roles that can view audit logs, as it has limited read/write access to all sites under the organization and can access organization-level features such as Audit Logs and Inventory2. Network Admin can also open/update support tickets from the GUI2.
NEW QUESTION # 49
Mist cloud supports single sign-on in which two scenarios? (Choose two.)
- A. account login used for the RESTful API
- B. admin login to the Mist portal
- C. account login used for NETCONF
- D. Wi-Fi guest login access
Answer: B,D
Explanation:
According to the web search results, Mist cloud supports single sign-on (SSO) in two scenarios: Wi-Fi guest login access and admin login to the Mist portal. SSO is a feature that allows users to log in to multiple applications or services with one set of credentials, without having to enter them repeatedly1. SSO can provide convenience, security, and efficiency for users and administrators1.
Wi-Fi guest login access is a scenario where users can access the Wi-Fi network as guests using their existing social media or email accounts, such as Facebook, Google, or LinkedIn2. Mist cloud supports SSO for Wi-Fi guest login access by integrating with various identity providers (IdPs), such as Azure AD, Okta, Ping Identity, or OneLogin2. Mist cloud can also use webhooks to send guest login data to third-party applications or services, such as Slack, Splunk, or ServiceNow2.
Admin login to the Mist portal is a scenario where administrators can access the Mist dashboard using their existing corporate accounts, such as Office 365, G Suite, or Active Directory3. Mist cloud supports SSO for admin login to the Mist portal by integrating with various IdPs, such as Azure AD, Okta, Ping Identity, or OneLogin3. Mist cloud can also use the REST API to automate and customize the admin login process3.
NEW QUESTION # 50
What are two valid Mist subscription status states in the Mist GUI? (Choose two.)
- A. Exceeded
- B. Perpetual
- C. Expired
- D. Staged
Answer: A,C
NEW QUESTION # 51
What are three alert levels used in the Mist UI? (Choose three.)
- A. error
- B. informational
- C. notice
- D. critical
- E. warning
Answer: C,D,E
NEW QUESTION # 52
What happens when Mist subscriptions expire?
- A. Devices retain their configurations and all Mist management GUI functionality remains available to the user.
- B. 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.
- C. Devices retain their configurations but the Mist user is prevented from accessing the Mist management GUI.
- D. Devices retain their configurations but Mist management GUI functionality related to expired subscriptions are not configurable by the user.
Answer: D
Explanation:
Reference:
The correct answer is C. Devices retain their configurations but Mist management GUI functionality related to expired subscriptions are not configurable by the user.
According to the official Juniper documentation1, post subscription expiration, your network will continue to operate. However, Juniper Mist does reserve the right to give read only access or terminate access post 90 days of subscription expiration, if you have no intent to renew subscriptions. No support will be available if there is no active subscription.
NEW QUESTION # 53
How does Mist detect rogue APs?
- A. by using the AP's 5 GHz radio band
- B. by using the AP's 2.4 GHz radio band
- C. by using Radio Resource Management (RRM)
- D. by using the AP's third dedicated radio
Answer: A
NEW QUESTION # 54
You are inviting a new administrator into a Mist organization.
In this scenario, which two roles are valid? (Choose two.)
- A. Custom
- B. Observer
- C. Installer
- D. Advanced
Answer: B,C
NEW QUESTION # 55
You are inviting a new administrator into a Mist organization.
In this scenario, which two roles are valid? (Choose two.)
- A. Custom
- B. Observer
- C. Installer
- D. Advanced
Answer: B,C
Explanation:
Reference:
You are inviting a new administrator into a Mist organization. In this scenario, the two roles that are valid are Observer and Installer. These are two of the predefined administrator roles that Mist offers for different levels of access and permissions. You can assign these roles to the new administrator when you invite them to join your organization.
The Observer role is a read-only role that allows the administrator to view and monitor the sites that they have access to. The Observer role can see the site-level features, such as monitor, clients, access points, location, analytics, and network. However, they cannot configure or modify any organization-level features or claim APs.
The Installer role is a minimal role that allows the administrator to perform the initial installation tasks for the sites that they have access to. The Installer role can claim APs, assign APs to sites, or place APs on maps. However, they cannot unclaim or remove APs from the organization. They also cannot access the native Admin UI and have to use the API or the Mist AI App.
NEW QUESTION # 56
In a production network, what are two types of security threats? (Choose two.)
- A. scanning radio
- B. honeypot AP
- C. rogue AP
- D. neighbor AP
Answer: A,C
Explanation:
A rogue AP is an unauthorized access point that is installed on a network without the knowledge or consent of the network administrator. 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 attacks. A rogue AP can also interfere with the performance of the legitimate APs and cause network congestion or degradation.
A scanning radio is a device that can scan the wireless spectrum and detect the presence and characteristics of wireless networks. A scanning radio can be used for legitimate purposes, such as network monitoring, troubleshooting, or optimization. However, a scanning radio can also be used for malicious purposes, such as discovering vulnerable networks, capturing network traffic, or launching denial-of-service attacks. A scanning radio can pose a security threat to a network, as it can expose the network's SSID, encryption type, channel, and signal strength.
NEW QUESTION # 57
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. Mist updates occur daily.
- C. Machine learning occurs through microservices.
- D. More robust AP encryption occurs.
Answer: C
Explanation:
The Juniper Mist cloud delivers a modern microservices cloud architecture to meet your digital transformation goals for the AI-Driven Enterprise1. Machine learning is one of the key technologies that enables the cloud to automate key tasks and proactively address networking issues before they impact the quality-of-service levels2. Microservices are a way of designing software applications as a collection of independently deployable, small, modular services, each running a unique process and communicating through APIs3. This allows for faster and more scalable development, deployment, and maintenance of cloud services.
NEW QUESTION # 58
Which two SLEs report DHCP problems? (Choose two.)
- A. Capacity
- B. Time to Connect
- C. Successful Connects
- D. Throughput
Answer: B,C
Explanation:
According to the [Service Level Expectations] page, Service Level Expectations (SLEs) are a set of metrics that measure the quality and performance of the wireless network from the user's perspective. SLEs can help network administrators monitor, troubleshoot, and optimize their network by providing real-time and historical data and analytics. SLEs can also help network administrators identify and resolve issues before they impact the user experience.
There are seven SLEs that are supported by Mist: Successful Connects, Time to Connect, Capacity, Coverage, Throughput, Roaming, and WAN. Each SLE has a target value and a threshold value that can be customized according to the network requirements. The SLE score is calculated as the percentage of clients that meet or exceed the target value for each SLE.
Two SLEs that report DHCP problems are Successful Connects and Time to Connect. DHCP (Dynamic Host Configuration Protocol) is a protocol that assigns IP addresses and other network configuration parameters to devices on a network. DHCP problems can occur when a device fails to obtain an IP address from the DHCP server or when the DHCP server is slow or unreachable.
Successful Connects is an SLE that measures the percentage of clients that successfully connect to the wireless network within a specified time frame. Successful Connects can report DHCP problems by showing the number of clients that fail to connect due to DHCP errors, such as DHCP timeout, DHCP NAK, or DHCP decline. Successful Connects can also show the root cause analysis and recommended actions for resolving DHCP problems.
Time to Connect is an SLE that measures the average time it takes for a client to connect to the wireless network from the moment it sends a probe request to the moment it receives an IP address from the DHCP server. Time to Connect can report DHCP problems by showing the breakdown of the connection time into different stages, such as probe, auth, assoc, EAPOL, and DHCP. Time to Connect can also show the outliers and trends for each stage and identify if there are any delays or failures in the DHCP process.
NEW QUESTION # 59
Which protocol is used by Mist access points to discover third-party switches?
- A. LLDP
- B. ICMP
- C. SNMP
- D. CDP
Answer: A
NEW QUESTION # 60
Which statement is correct about Bluetooth and BLE?
- A. BLE is an upgrade to Bluetooth.
- B. BLE is a newer technology than Bluetooth.
- C. Bluetooth and BLE use the same radio channels.
- D. Bluetooth and BLE are compatible.
Answer: B
NEW QUESTION # 61
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