JN0-251 Mock Test Free – 50 Realistic Questions to Prepare with Confidence.
Getting ready for your JN0-251 certification exam? Start your preparation the smart way with our JN0-251 Mock Test Free – a carefully crafted set of 50 realistic, exam-style questions to help you practice effectively and boost your confidence.
Using a mock test free for JN0-251 exam is one of the best ways to:
- Familiarize yourself with the actual exam format and question style
- Identify areas where you need more review
- Strengthen your time management and test-taking strategy
Below, you will find 50 free questions from our JN0-251 Mock Test Free resource. These questions are structured to reflect the real exam’s difficulty and content areas, helping you assess your readiness accurately.
You are asked to invite a new user to administer specific sites in read-only mode. Which two roles are available to the new user? (Choose two.)
A. Helpdesk
B. Installer
C. Network Admin
D. Observer
What are two requirements to successfully provision a Juniper EX Series switch into Mist? (Choose two.)
A. outbound TCP 2200 access
B. Internet connectivity
C. static IP
D. inbound TCP 443 access
The Mist help menu provides direct access to which two features? (Choose two.)
A. hardware updates
B. company updates
C. feature updates
D. firmware updates
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 and all Mist management GUI functionality remains available to the user.
C. Devices retain their configurations but Mist management GUI functionality related to expired subscriptions are not configurable by 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.
Which protocol does the REST API use?
A. syslog
B. SNMP
C. HTTP
D. SSL
In which two Mist configuration levels would you create labels? (Choose two.)
A. site
B. organization
C. switch
D. location
You want to review client information about a specific AP. In this scenario, where in the UI would you look?
A. Access Points
B. AP Insights
C. Client Insights
D. SLEs
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. Wi-Fi enabled devices
D. the Mist location SDK
Which administrator role must you have to view audit logs?
A. Installer
B. Network Admin
C. Super User
D. Observer
Mist Insights will provide detailed information about which two categories? (Choose two.)
A. AP
B. Client
C. Organization
D. Templates
Which device categories are included in WAN Assurance? (Choose two.)
A. EX
B. Mist Edge
C. SSR
D. SRX
Which two statements are correct about an Organization ID? (Choose two.)
A. The Organization ID is randomly created by the system.
B. The Organization ID is used to identify the organization when using APIs.
C. The Organization ID is the encrypted version of the Organization Name field.
D. The Organization ID is manually defined by the user.
What are two valid Mist subscription status states in the Mist GUI? (Choose two.)
A. Expired
B. Perpetual
C. Staged
D. Exceeded
Which statement is correct about Mist AP packet capture?
A. You can configure a wired or wireless packet capture manually.
B. You can only configure wired packet captures manually.
C. You can only trigger wired or wireless packet captures dynamically.
D. You can only configure wireless packet captures manually.
Which two statements are correct about label configuration? (Choose two.)
A. Labels created at the organization level can be used in WLAN templates.
B. Labels can only be created at the organization level.
C. Labels can be created at either the organization level or site level.
D. Labels created at the site level can be applied at the organization level.
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
A Mist mesh network supports up to how many hops?
A. 1 hop
B. 2 hops
C. 3 hops
D. 4 hops
You want to determine where you have coverage issues in your network using Marvis Actions. Which Marvis Action category should you use in this situation?
A. Connectivity
B. Application
C. Clients
D. AP
What is the recommended minimum number of APs that should have line of sight (LoS) for a device that uses Wi-Fi location-based services?
A. 5
B. 6
C. 3
D. 4
Which two categories are included in the Connectivity Marvis Action? (Choose two.)
A. Offline AP
B. Bad Cable
C. ARP Failure
D. DNS Failure
Which two Mist-supported APIs are considered event-driven? (Choose two.)
A. RESTful
B. gRPC
C. WebSocket
D. Webhook
Which location mode is required to track BLE badges?
A. wayfinding
B. BLE asset visibility
C. Wi-Fi location
D. vBLE Engagement
Which two statements are correct about creating Mist sites? (Choose two.)
A. A Mist site can only belong to a single organization.
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 belong to multiple organizations.
In a Mist deployment, the Radio Resource Management feature is an example of which type of machine learning?
A. visual learning
B. reinforcement learning
C. unsupervised learning
D. supervised learning
Which two statements are correct about the Installer role? (Choose two.)
A. The Installer role can use Mist APIs.
B. The Installer role can invite other users as administrators.
C. The Installer role has limited access to the organization.
D. The Installer role can unclaim the AP from the organization.
In a production network, what are two types of security threats? (Choose two.)
A. rogue AP
B. honeypot AP
C. scanning radio
D. neighbor AP
You are inviting a new administrator into a Mist organization. In this scenario, which two roles are valid? (Choose two.)
A. Helpdesk
B. Standard
C. Network Admin
D. System Admin
Mist has detected a bad cable. What are two ways that Marvis determined this result? (Choose two.)
A. It identified network loops.
B. It identified port flapping.
C. It identified interface errors.
D. It identified a missing VLAN.
The status of user authentication will affect which pair of SLEs?
A. Successful Connects and Time to Connect
B. Coverage and Roaming
C. Capacity and Successful Connects
D. Time to Connect and Throughput
Which Marvis Action category will detect a bad cable based on information and behavior of a single AP?
A. AP
B. Connectivity
C. Layer 1
D. Switch
Referring to the exhibit, what is indicated by the arrow?
A. This is the first time the problem is seen.
B. This problem has already been flagged.
C. The issue is on-going.
D. There is a dynamic PCAP file.
Which Mist location-based feature would be used for wayfinding?
A. Wi-Fi 6
B. Asset Visibility
C. vBLE Engagement
D. Wi-Fi Location
What is a Mist Coverage SLE based upon?
A. an average of client data
B. a summary of switch data
C. a summary of user minutes
D. an average across APs
Which two statements are correct when managing switches located in a Mist-managed site? (Choose two.)
A. The site firewall must allow communications from the switch to Mist.
B. A switch template must be assigned to the site.
C. The site must have Mist access points.
D. The switch must be assigned to the site.
You are using the autoprovisioning feature to assign a name to an AP using the AP Name Generation option. In this scenario, from where is the name derived?
A. from the LLDP port description on the switch
B. from the AP model designation
C. from a pre-loaded CSV file
D. from the AP’s MAC address
A user called a help desk to report a Wi-Fi issue. In this scenario, what information must be provided for Marvis to troubleshoot the issue? (Choose two.)
A. user home address
B. the MAC address of the client device
C. the time of the incident
D. the access point to which the client was connected
Mist cloud supports single sign-on in which two scenarios? (Choose two.)
A. account login used for NETCONF
B. Wi-Fi guest login access
C. account login used for the RESTful API
D. admin login to the Mist portal
Which administrator role is based on a timed grace period for Mist site and AP configuration access?
A. Observer
B. Network Admin
C. Installer
D. Helpdesk
Where in the Mist UI would the Persistently Failing Clients report be found?
A. Alerts
B. Marvis Actions
C. Successful Connects SLE
D. Insights
In the Mist Access Point portfolio, which dedicated device would be used in location-based services (LBS)?
A. AP34
B. AP32
C. BT11
D. AP12
Click the Exhibit button.You notice a green LED emitted from your AP43. Referring to the exhibit, what does this signal indicate?
A. The AP is configured correctly and at least one user is connected to it.
B. The AP is configured correctly with no users connected to it.
C. The AP is not configured correctly with no users connected to it.
D. The AP is not configured correctly but one user is connected to it.
You are inviting a new administrator into a Mist organization. In this scenario, which two roles are valid? (Choose two.)
A. Advanced
B. Observer
C. Installer
D. Custom
Besides providing AP configuration status, for which other purpose is the LED used in the location design phase?
A. height orientation
B. channels in use
C. frequency selection
D. antenna orientation
What are three alert levels used in the Mist UI? (Choose three.)
A. critical
B. warning
C. error
D. notice
E. informational
What does Mist with Wi-Fi Assurance do to detect a bad cable connected to an AP?
A. It monitors SNMP trap information.
B. It performs cable tests.
C. It sends probe traffic through the cable connections.
D. It applies machine learning to telemetry data.
What are two requirements for vBLE Engagement? (Choose two.)
A. Mist APs with built-in BLE arrays
B. a mobile app running the Mist location SDK
C. battery power beacons
D. BLE asset tags
Which protocol is used by Mist access points to discover third-party switches?
A. LLDP
B. SNMP
C. CDP
D. ICMP
Which Mist AI feature would help you to troubleshoot a client’s failed authentication?
A. client dashboard
B. live view
C. dynamic packet capture
D. WLAN profile
Which two APIs are supported by Mist? (Choose two.)
A. SOAP
B. gRPC
C. Webhook
D. REST
Click the Exhibit button.Referring to the exhibit, which Marvis language would you use to query Mist about an issue?
A. natural language
B. SQL
C. Python
D. query language
Access Full JN0-251 Mock Test Free
Want a full-length mock test experience? Click here to unlock the complete JN0-251 Mock Test Free set and get access to hundreds of additional practice questions covering all key topics.
We regularly update our question sets to stay aligned with the latest exam objectives—so check back often for fresh content!
Start practicing with our JN0-251 mock test free today—and take a major step toward exam success!