JN0-452 Practice Test Questions Answers Updated 169 Questions
JN0-452 dumps & JNCIS MistAI Wireless Sure Practice with 169 Questions
NEW QUESTION # 68
Your customer added an Apple TV in their conference room so that employees can easily share their screen. However, the Apple TV cannot be discovered by the employees' devices.
Which two settings are causing the problem? (Choose two.)
- A. Ignore Broadcast SSID Probe Requests
- B. Broadcast/Multicast
- C. ARP
- D. MDNS
Answer: C,D
NEW QUESTION # 69
What is the meaning of a Juniper Mist AP's status LED that is blinking orange three times, pausing, and then repeating the pattern?
- A. The AP does not have a valid IP address.
- B. The AP is upgrading its firmware.
- C. The AP is unable to connect to the Mist cloud.
- D. The AP has insufficient PoE power.
Answer: A
NEW QUESTION # 70
Which statement is true about how RF Templates, Device Profiles, and individual AP settings are applied?
- A. RF Template settings always have the highest priority.
- B. Device Profile settings override all other settings.
- C. Settings are merged, and the most restrictive setting is applied.
- D. Individual AP settings override Device Profile settings, which override RF Template settings.
Answer: D
NEW QUESTION # 71
An administrator is troubleshooting poor location accuracy for vBLE asset tracking in a warehouse. After verifying AP placement and floorplan scale, they suspect an issue with the BLE tags themselves. They review the guidelines for supported BLE tags for use with Mist Asset Visibility.
Guidelines for BLE Beacon Tags:
- Interval Rate: 100 to 1000 milliseconds (ms)
- Power: 0 decibel milliwatt (dBm)
- MAC Address: Static
The administrator discovers the currently deployed tags are configured to transmit at a power level of -10 dBm.
How does this impact location accuracy?
- A. It will cause the tag's MAC address to change frequently, preventing tracking.
- B. The transmission interval will be too slow for real-time tracking.
- C. The signal will be too weak for ceiling-mounted APs to reliably detect, leading to inaccurate or non- existent location data.
- D. It has no impact, as the vBLE array can compensate for low power.
Answer: C
NEW QUESTION # 72
Which Wireless Assurance SLE has classifiers of Association, Authorization, DHCP, and Internet Services?
- A. Coverage
- B. Roaming
- C. Time to Connect
- D. Capacity
Answer: D
Explanation:
Reference: https://www.mist.com/documentation/service-level-expectations-sle/
NEW QUESTION # 73
A large enterprise is deploying a campus-wide wireless network using Mist. They need to provide a secure corporate network for employees and a completely separate, tunneled network for guest traffic that terminates in a DMZ. They also need to provide a dedicated, tunneled network for IoT devices. All of these services must be available from a single set of APs. Which Mist components and policies are required to create this multi-service, segmented network? (Select all that apply.)
- A. A configuration where the 'Corporate' and 'IoT' WLANs are mapped to the data center tunnel, and the 'Guest' WLAN is mapped to the DMZ tunnel.
- B. A Juniper Mist Edge cluster in the corporate data center and another in the DMZ.
- C. A single WLAN template applied to the site containing three distinct SSIDs: 'Corporate', 'Guest', and 'IoT'.
- D. A separate physical AP for each network type (Corporate, Guest, IoT).
- E. Two Mist Tunnel objects: one pointing to the data center cluster and one pointing to the DMZ cluster.
- F. A WxLAN policy to block traffic between the Corporate, Guest, and IoT VLANs.
Answer: A,B,C,E
NEW QUESTION # 74
You are using location-based services (LBS) at a new warehouse and placed the APs on the floor plan with the correct scale. The APs are mounted on trusses, 14 feet (4.3 meters) from the floor.
Which two actions ensure correct location accuracy in this scenario? (Choose two.)
- A. Configure the height of each AP.
- B. Install Virtual Beacons in each aisle.
- C. Disable the 2.4 GHz Wi-Fi radios to reduce interference.
- D. Determine the orientation of each AP.
Answer: A,D
NEW QUESTION # 75
A network operator receives a "Negotiation Mismatch" SLE from the Mist dashboard.
What is the most likely cause of this issue?
- A. The client device does not support the security type configured on the WLAN.
- B. The AP is experiencing high levels of RF interference.
- C. The AP and the connected switch have a duplex or speed mismatch on the wired link.
- D. The DHCP server is not responding to client requests.
Answer: C
NEW QUESTION # 76
Which two SLEs measure the amount of time that it takes for a process to complete? (Choose two.)
- A. AP uptime
- B. throughput
- C. time to connect
- D. roaming
Answer: B,C
Explanation:
Reference: https://www.juniper.net/documentation/us/en/day-one-plus/mist/mist-cloud-day-one-plus.pdf
NEW QUESTION # 77
What are two defining characteristics of Wi-Fi as a shared, half-duplex medium? (Choose 2.)
- A. Only one device can successfully transmit on a channel at any given moment.
- B. An AP and a client can transmit and receive data simultaneously on the same channel.
- C. Devices must listen to the medium before transmitting to avoid collisions.
- D. A dedicated frequency is used for uplink traffic and a separate frequency for downlink traffic.
Answer: A,C
NEW QUESTION # 78
You receive a Marvis Actions alert informing you that there is a non-compliant AP at one of your sites.
What should you do to correct the problem?
- A. Replace the AP with the correct hardware model.
- B. Disconnect the Rogue AP from your Ethernet switch.
- C. Install the correct version of firmware on the AP.
- D. Request an RM
Answer: C
Explanation:
Reference: https://www.mist.com/documentation/what-is-marvis-actions/
NEW QUESTION # 79
An administrator is deploying APs in a new building and wants to ensure location services will be accurate. They have uploaded the floorplan and are now placing the APs.
Which two AP-specific parameters must be configured correctly on the floorplan for each AP?
(Choose two.)
- A. The AP's IP address.
- B. The AP's MAC address.
- C. The AP's height from the floor.
- D. The name of the switch port the AP is connected to.
- E. The AP's orientation (direction).
Answer: C,E
NEW QUESTION # 80
Which 802.11 standard introduced multi-user MIMO (MU-MIMO) for the downlink, allowing an AP to transmit to multiple clients simultaneously?
- A. 802.11ax (Wi-Fi 6)
- B. 802.11g
- C. 802.11n
- D. 802.11ac (Wi-Fi 5)
Answer: D
NEW QUESTION # 81
An administrator is reviewing the floorplan for a new office deployment. The goal is to provide accurate indoor location services for wayfinding.
The administrator has already scaled the floorplan correctly.
Floorplan AP Settings:
AP-Lobby-01:
Height: 3 meters
Orientation: 0 degrees
AP-Lobby-02:
Height: Not set
Orientation: 0 degrees
AP-Lobby-03:
Height: 3 meters
Orientation: Not set
Which two APs are misconfigured and will cause location accuracy issues? (Choose 2.)
- A. AP-Lobby-02
- B. AP-Lobby-03
- C. All APs are configured correctly.
- D. AP-Lobby-01
Answer: A,B
NEW QUESTION # 82
An administrator is configuring a WxLAN policy to control access for employees. The goal is to allow employees to access all internal resources and the public internet, but explicitly block access to social media websites.
What is the correct way to structure the policy rules to achieve this?
- A. Rule 1: User: 'Employee' -> Resources: 'Social-Media' -> Action: 'Deny'. Rule 2: User: 'All Users'
-> Resources: 'All Resources' -> Action: 'Allow'. - B. Rule 1: User: 'Employee' -> Resources: 'Social-Media' -> Action: 'Deny'. Rule 2: User: 'Employee'
-> Resources: 'All Resources' -> Action: 'Allow'. - C. Rule 1: User: 'Employee' -> Resources: 'Internal-Network', 'Public-Internet' -> Action: 'Allow'.
- D. Rule 1: User: 'Employee' -> Resources: 'Social-Media' -> Action: 'Deny'. The default rule is 'Allow All'.
Answer: B
NEW QUESTION # 83
An administrator is configuring a WLAN for corporate users and wants to ensure that traffic is tunneled to a central point in the data center for inspection and policy enforcement. Which architectural component is required to achieve this?
- A. Juniper Mist Edge
- B. Premium Analytics subscription
- C. Marvis for Wireless license
- D. A dedicated Juniper EX Series switch
Answer: A
NEW QUESTION # 84
You have deployed location services at a site and have installed an application which includes the Mist SDK on Bluetooth-only mobile client devices. The devices with the SDK-enabled app have Bluetooth enabled, but the devices do not appear in the Mist GUI under Clients/App Clients.
What is causing this problem?
- A. There is BLE and Wi-Fi co-channel interference.
- B. The client devices are not connected to Wi-Fi or to a cellular data plan.
- C. The AP BLE radios do not hear the SDK-enabled client's BLE beacons.
- D. The clients are connected to the wrong WLAN.
Answer: C
NEW QUESTION # 85
A user complains that while their Wi-Fi connection is stable, application performance is very slow.
The administrator suspects a throughput issue.
Which SLE and corresponding classifier would best help diagnose if the problem is caused by the client's device being an old model with limited Wi-Fi capabilities?
- A. SLE: Successful Connects, Classifier: Association
- B. SLE: Throughput, Classifier: Device Capability
- C. SLE: Coverage, Classifier: Weak Signal
- D. SLE: Capacity, Classifier: Client Count
Answer: B
NEW QUESTION # 86
A client device is associated with a Mist AP. The administrator wants to see a detailed chronological log of all major connection events for this specific client, including every time it associated, roamed, or failed an authentication.
Which tool in the Mist dashboard provides this specific view?
- A. The Wireless SLE Dashboard
- B. The AP Events Log
- C. The Client Insights Page
- D. Marvis Actions
Answer: C
NEW QUESTION # 87
Referring to the WxLAN policy shown, which statement accurately describes the access rights for a user who has been assigned the "Contractor" role by the RADIUS server?
WxLAN Policy Rules:
1. User: 'Contractor' -> Resources: 'Public-Internet' -> Action: 'Allow'
2. User: 'Contractor' -> Resources: 'Internal-Servers' -> Action: 'Deny'
3. User: 'All Users' -> Resources: 'All Resources' -> Action: 'Deny
- A. The user cannot access any resources.
- B. The user can access the Public Internet but not the Internal Servers.
- C. The user can access both the Public Internet and the Internal Servers.
- D. The user can access the Internal Servers but not the Public Internet.
Answer: B
NEW QUESTION # 88
An administrator is configuring a new Mist Edge appliance. They are presented with the following options for configuring the data ports: "Single Arm" and "Dual Arm (Separate Upstream and Downstream Traffic)".
Tunnel Interface Configuration
[ ] Separate Upstream and Downstream Traffic
...
Interface Upstream/Downstream
xe0 [x]
xe1 [x]
...
If the administrator selects "Single Arm" and checks multiple interfaces (e.g., xe0 and xe1), what protocol is automatically enabled on the corresponding switch ports to bundle these physical links into a single logical link?
- A. Virtual Router Redundancy Protocol (VRRP)
- B. Link Aggregation Control Protocol (LACP)
- C. Open Shortest Path First (OSPF)
- D. Spanning Tree Protocol (STP)
Answer: B
NEW QUESTION # 89
Your organization has recently purchased new VoIP handsets. All of the VoIP handsets fail to connect to the corporate WLAN. However, all other devices connect successfully. You expect that there might be a bug with the new handsets. The vendor asks you to provide a pcap file of the handsets' connection attempts.
Which Juniper Mist feature will provide this file?
- A. Service Level Expectations
- B. Alerts dashboard
- C. Dynamic Packet Capture
- D. Clients Insights
Answer: C
NEW QUESTION # 90
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