JN0-452 Dumps PDF - JN0-452 Real Exam Questions Answers
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NEW QUESTION # 31
Which security standard is mandatory for WPA3, providing stronger protection against offline dictionary attacks compared to WPA2-PSK?
- A. Simultaneous Authentication of Equals (SAE)
- B. Advanced Encryption Standard (AES)
- C. CCMP
- D. TKIP
Answer: A
NEW QUESTION # 32
Regarding the seven layer OSI networking model, which two layers are different between Ethernet and Wi- Fi? (Choose two.)
- A. media access control (MAC) sub-layer
- B. logical link control (LLC) sub-layer
- C. physical layer
- D. network layer
Answer: A,C
Explanation:
According to the Lecture 3 - Radio Frequency and Antenna Fundamentals - Part 2 document3, two layers that are different between Ethernet and Wi-Fi in the OSI networking model are:
* Media access control (MAC) sub-layer, which is part of the data link layer and defines how devices access and share the wireless medium.
* Physical layer, which defines how data is encoded and transmitted over the wireless medium.
References:
http://faculty.georgebrown.ca/~jolenewa/courses/comp3049-intermediate-wirel/lecture-3-radio-frequency.
pdf
NEW QUESTION # 33
You are asked to deploy a new Juniper Mist Edge VM for your customer.
Referring to the exhibit, which three interfaces are required to accomplish this task? (Choose three.)
- A. proxy
- B. revenue
- C. out-of-band
- D. upstream
- E. downstream
Answer: C,D,E
Explanation:
When deploying a Juniper Mist Edge VM (Virtual Machine), the networking architecture is designed to separate different types of traffic to ensure security, scalability, and efficient data handling. Unlike a traditional hardware controller that might use a single trunk port for all traffic, a Mist Edge VM specifically utilizes three primary logical interfaces to function within a data center environment.
The Out-of-Band (OOB) interface (A) is used exclusively for management and control plane traffic. This interface is what connects the Mist Edge to the Mist Cloud via an encrypted tunnel. It is through this port that the Mist Edge receives configuration updates, reports telemetry data to the AI engine, and allows administrators to monitor the health of the VM. By keeping this traffic out-of-band, Juniper ensures that management tasks do not compete with user data throughput.
The Upstream interface (D) is the "northbound" connection. Its primary role is to connect the Mist Edge to the core network or the internet for user data egress. When client traffic is tunneled from the Access Points (APs) to the Mist Edge, the Upstream interface is where that traffic is de-encapsulated and forwarded to the local network resources or the internet gateway. This interface typically connects to a core switch or a DMZ.
The Downstream interface (B) is the "southbound" connection. This is the entry point for the L2TPv3 or Mist Tunnel traffic coming from the Access Points. The APs establish a secure tunnel to this specific interface to transport user data across the Layer 3 network. This separation allows for granular firewall policies and ensures that the tunnel termination point is distinct from the management plane. While the term
"Revenue" (E) is often used in carrier-grade routing to describe data-carrying ports, Mist documentation specifically uses the terms Upstream and Downstream to define the data path.
NEW QUESTION # 34
For Wi-Fi location services to be most accurate, what is the primary factor the Mist platform uses to determine a client's position?
- A. The round-trip time (RTT) of packets between the client and the AP.
- B. The GPS coordinates reported by the client device.
- C. The AP to which the client is currently associated.
- D. The client's signal strength (RSSI) as heard by multiple APs.
Answer: D
NEW QUESTION # 35
What information would be streamed through webhooks? (Choose two.)
- A. alerts
- B. audit logs
- C. location coordinates of RFID tags
- D. SLE metrics of clients
Answer: A,D
Explanation:
According to the Webhooks - Mist document, two types of information that would be streamed through webhooks are:
* Alerts, which are notifications that are triggered by certain events or conditions on the network.
* SLE metrics of clients, which are service level expectations that measure the quality of experience for clients on various aspects such as connection, coverage, capacity, throughput, and roaming.
References: https://www.mist.com/documentation/webhooks/
NEW QUESTION # 36
Marvis Minis is a feature that helps administrators understand the scope of a network issue.
What does it do?
- A. It provides a summary of all support tickets related to an issue.
- B. It is a smaller version of the Marvis conversational assistant for mobile devices.
- C. It shows a consolidated view of all clients impacted by a specific Marvis Action.
- D. It automatically opens a support ticket with Juniper TAC.
Answer: C
NEW QUESTION # 37
RF templates are assigned to which Mist configuration object?
- A. WLANs
- B. site groups
- C. config templates
- D. sites
Answer: D
Explanation:
According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide1, RF templates are assigned to sites, which are logical groupings of devices based on physical location or other criteria. RF templates allow you to configure RF parameters such as channel width, transmit power, and data rates for multiple devices at once.
References: https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-2/config-guide/b_wl_17_2_cg
/rf_templates.html
NEW QUESTION # 38
Click the Exhibit button.
Users are occasionally having problems connecting to the Internet using Wi-Fi. You suspect possible interference from a neighboring Wi-Fi network.
Referring to the exhibit, which Wi-Fi Assurance SLE and classifier would provide information about this issue?
- A. Capacity and Non Wi-Fi Interference
- B. Throughput and Network Issues
- C. Capacity and Wi-Fi Interference
- D. Coverage and Weak Signal
Answer: C
Explanation:
The Wi-Fi Assurance SLE and classifier that would provide information about possible interference from a neighboring Wi-Fi network are Capacity and Wi-Fi Interference.
NEW QUESTION # 39
A user with an 802.1X-configured laptop moves from their desk to a conference room. The user's VoIP call drops during the transition. The administrator investigates and finds that the client performed a full EAP re-authentication when it connected to the conference room AP, which took several seconds. Which feature was likely not enabled or not functioning correctly on the WLAN, leading to the slow roam?
- A. WPA3 Encryption
- B. Band Steering
- C. Fast Roaming (802.11r or OKC)
- D. Client Isolation
Answer: C
NEW QUESTION # 40
In a vBLE deployment, what is the recommended minimum number of APs that a client device should be able to "hear" for accurate location?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 41
An administrator is deploying a new wireless network and wants to use the autoplacement feature to position the APs on the floorplan.
Which two conditions must be met before running the autoplacement process for a new site?
(Select all that apply.)
- A. The floorplan image must be uploaded and correctly scaled.
- B. A device profile must be created and assigned to the APs.
- C. At least three APs must be physically installed, powered on, and have connectivity to the Mist cloud.
- D. vBLE Engagement must be enabled on the site.
- E. The APs must already be manually placed on the floorplan.
Answer: A,C
NEW QUESTION # 42
In which two layers of the OSI model are WLANs located? (Choose two.)
- A. Network
- B. Data Link
- C. Physical
- D. Transport
Answer: B,C
Explanation:
Reference: https://www.controleng.com/articles/wi-fi-and-the-osi-model/
NEW QUESTION # 43
The "Capacity" SLE is showing a poor health score.
Which of these is a likely cause?
- A. The RADIUS server is slow to respond.
- B. The AP has a faulty cable connection to the switch.
- C. A client is too far away from the AP.
- D. A large number of clients are connected to a single AP, and the RF channel is overutilized.
Answer: D
NEW QUESTION # 44
An administrator receives an alert from the Mist dashboard for a "Health Check Failed" event on an AP. Upon investigation, they determine the AP is frequently rebooting. Which two classifiers under the "AP Health" SLE would indicate the AP is rebooting or has lost its connection to the cloud? (Choose 2.)
- A. Ethernet Errors
- B. AP Unreachable
- C. Low Power
- D. Latency
- E. AP Reboot
Answer: B,E
NEW QUESTION # 45
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. The AP BLE radios do not hear the SDK-enabled client's BLE beacons.
- B. The clients are connected to the wrong WLAN.
- C. There is BLE and Wi-Fi co-channel interference.
- D. The client devices are not connected to Wi-Fi or to a cellular data plan.
Answer: A
NEW QUESTION # 46
What are basic data rates?
- A. optional data rates
- B. fastest data rates
- C. required data rates
- D. disabled data rates
Answer: C
Explanation:
Basic data rates are the required data rates that all devices on a wireless network must support in order to connect to the network. These rates are used for management and control frames and can affect the performance of the network.
According to the Lecture 3 - Radio Frequency and Antenna Fundamentals - Part 2 document2, basic data rates are required data rates that all devices must support to communicate on a WLAN.
References:
http://faculty.georgebrown.ca/~jolenewa/courses/comp3049-intermediate-wirel/lecture-3-radio-frequency.
pdf
NEW QUESTION # 47
Asset tracking using Mist-supported third-party BLE beacons has been installed in a warehouse. The BLE beacons were configured using their manufacturer-supplied configuration utility and BLE was properly configured for the site settings. When the warehouse floor plan is opened in Live View, the third-party beacons are not shown.
Which two statements describe causes for this issue? (Choose two.)
- A. The APs are installed at 19 feet from the floor, above the recommended 15 feet.
- B. The Locate this Client as an Asset check box has not been selected at the BLE client level.
- C. The Show assets check box has not been selected in Live View.
- D. Marvis was not enabled for the site.
Answer: B,C
NEW QUESTION # 48
An administrator is configuring a WLAN for IoT devices that require a simple, shared password.
They also want to prevent these low-trust devices from communicating with each other to limit the potential impact of a compromised device.
Which WLAN feature should be enabled to prevent direct communication between clients on the same WLAN?
- A. Client Isolation
- B. Band Steering
- C. AirWatch Integration
- D. Geofencing
Answer: A
NEW QUESTION # 49
Which two authentication methods would be used with a guest portal? (Choose two.)
- A. social login
- B. RSA
- C. Kerberos
- D. external portal
Answer: A,D
Explanation:
Two authentication methods that would be used with a guest portal are social login and external portal. So the correct answers are A. social login and B. external portal.
According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide2, two authentication methods that can be used with a guest portal are:
* Social login, which allows guests to log in using their social media accounts such as Facebook, Twitter, or Google.
* External portal, which allows guests to log in using an external web server that hosts a custom portal page.
References: https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-2/config-guide/b_wl_17_2_cg
/guest-access.html
NEW QUESTION # 50
Which two security methods can be used to provide credentials for a client connecting to an
802.1X- enabled WLAN? (Choose two.)
- A. A username and password combination
- B. A digital certificate installed on the client device
- C. An open, unencrypted connection
- D. A Pre-Shared Key (PSK)
Answer: A,B
NEW QUESTION # 51
In which two layers of the OSI model are WLANs located? (Choose two.)
- A. Network
- B. Data Link
- C. Physical
- D. Transport
Answer: B,C
Explanation:
Reference: https://www.controleng.com/articles/wi-fi-and-the-osi-model/ According to the Lecture 3 - Radio Frequency and Antenna Fundamentals - Part 2 document2, two layers of the OSI model where WLANs are located are:
Physical, which defines how data is encoded and transmitted over the wireless medium using radio waves.
Data Link, which defines how devices access and share the wireless medium using media access control (MAC) protocols.
References:
http://faculty.georgebrown.ca/~jolenewa/courses/comp3049-intermediate-wirel/lecture-3-radio-frequency.
pdf
NEW QUESTION # 52
You are asked to clone your Juniper Mist primary site configuration to use for a new site being added. In this scenario, which two configuration objects will be copied? (Choose two.)
- A. the Auto Firmware Upgrade settings
- B. the site location
- C. the RF templates
- D. the WLANs
Answer: A,C
Explanation:
The Clone Site feature in the Juniper Mist dashboard is a powerful tool designed to streamline the deployment of new physical locations by duplicating the environmental and operational logic of an existing
"gold standard" site. However, to avoid configuration conflicts (such as duplicate addresses) and to maintain the integrity of the hierarchy, Mist is selective about which objects are carried over during the cloning process.
According to Juniper Mist documentation, only the settings visible on the Site Configuration page are copied to the new site. This specifically includes:
* Auto Firmware Upgrade settings (A): The specific versioning (Production vs. RC) and the weekly or daily maintenance windows defined for the site are preserved. This ensures that the new site follows the same lifecycle management policy as the primary site.
* RF Templates (B): The radio resource management (RRM) profile assigned to the site is copied. This includes channel planning, bandwidth settings (20/40/80 MHz), and power level constraints tailored for that environment.
* Other Site-Level Settings: This also includes Webhooks, Rogue/Honeypot AP detection rules, and Location Services settings.
Conversely, certain objects are explicitly not copied. The Site Location (C) and Site Name are excluded because each site must be geographically unique for accurate mapping and time zone calculation. WLANs (D) are also not copied through the Clone Site function; SSIDs are typically managed at the Organization level via WLAN Templates, which are then mapped to sites or site groups rather than being "hardcoded" into an individual site's local configuration. By cloning the site-specific parameters like RF templates and upgrade schedules, Mist allows administrators to rapidly scale their infrastructure while ensuring the core network access (WLANs) is maintained through the overarching organizational policy.
NEW QUESTION # 53
In a Mist vBLE array, what is the function of the single AP that is dynamically elected as the
"beam transmitter"?
- A. It listens for BLE signals from all other APs to build the RF map.
- B. It sends out directional BLE beams that are used by the mobile device SDK to calculate its position.
- C. It handles all Wi-Fi client traffic for the floor.
- D. It is the only AP that communicates with the Mist cloud.
Answer: B
NEW QUESTION # 54
Which two events are displayed under the Client Events area found on the Insights page? (Choose two.)
- A. Reflection (Loop Detection)
- B. Reassociation
- C. Restart by User
- D. DHCP Denied
Answer: B,D
NEW QUESTION # 55
Which two statements correctly describe an extended service set (ESS)? (Choose two.)
- A. Each BSS within the ESS has its own unique BSSID.
- B. The SSID is common across all BSSs within the ESS.
- C. Each BSS within the ESS share a common BSSID.
- D. The SSID is unique across all BSSs within the ESS.
Answer: A,B
Explanation:
According to the Lecture 3 - Radio Frequency and Antenna Fundamentals - Part 2 document2, an extended service set (ESS) is a group of basic service sets (BSSs) that share a common SSID and are connected by a distribution system (DS). Each BSS within the ESS has its own unique BSSID, which is the MAC address of the AP.
References:
http://faculty.georgebrown.ca/~jolenewa/courses/comp3049-intermediate-wirel/lecture-3-radio-frequency.
pdf
NEW QUESTION # 56
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