[Dec-2023] Updated and Accurate JN0-451 Questions & Answers for passing the exam Quickly
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NEW QUESTION # 21
Regarding roaming, which device determines when it is time to connect to another AP?
- A. the current AP
- B. the client device
- C. the gateway router
- D. the primary AP
Answer: B
Explanation:
According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide1, roaming is the process of moving a wireless client device from one AP to another while maintaining network connectivity. The client device determines when it is time to connect to another AP based on its own roaming algorithm and criteria.
NEW QUESTION # 22
According to the Coverage SLE, which classifier tracks a client that transmits at a lower data rate than the AP to which it is connected?
- A. Asymmetry Uplink
- B. Slow OKC Roam
- C. Wi-Fi Interference
- D. Asymmetry Downlink
Answer: A
NEW QUESTION # 23
Click the Exhibit button.
Referring to the exhibit, which statement is true?
- A. The WLAN is configured to only broadcast on the 2.4 GHz spectrum.
- B. The WLAN is configured to use DFS channels.
- C. The WLAN is configured with the high-density data rate setting enabled.
- D. The WLAN is configured to use geofencing.
Answer: C
Explanation:
According to the exhibit, the WLAN has a minimum basic rate of 24 Mbps for both 2.4 GHz and 5 GHz bands. This corresponds to the high-density data rate setting in Mist, which disables all data rates below 24 Mbps. This setting is recommended for high density designs, where clients have enough signal strength and quality to operate at higher rates.
NEW QUESTION # 24
What is the impact of adding more SSIDs to a radio?
- A. beacon overhead
- B. channel overlap
- C. less secure
- D. less BSSIDs reserved for a mesh network
Answer: A
Explanation:
Explanation
The impact of adding more SSIDs to a radio is beacon overhead.So,the correct answer is A.beacon overhead
NEW QUESTION # 25
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The WLAN with SSID NETGEAR24 will cause adjacent channel interference.
- B. The WLAN with SSID Bob24WiFi will cause adjacent channel interference.
- C. The WLAN with SSID Eero1234 will cause adjacent channel interference.
- D. The WLAN with SSID Verizon-5G_Tuna will cause adjacent channel interference.
Answer: A,B
Explanation:
Explanation
The WLANs with SSIDs NETGEAR24 and Bob24WiFi will cause adjacent channel interference because they are using overlapping channels in the 2.4 GHz frequency band.
NEW QUESTION # 26
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 Show assets check box has not been selected in Live View.
- B. The Locate this Client as an Asset check box has not been selected at the BLE client level.
- C. The APs are installed at 19 feet from the floor, above the recommended 15 feet.
- D. Marvis was not enabled for the site.
Answer: A,B
Explanation:
According to the Mist documentation1, asset tracking is a service that allows you to find key assets and people with detailed analytics based on their location using Mist-supported third-party BLE beacons. To enable asset tracking, you need to configure both the BLE beacons and the Mist cloud settings.
The Show assets check box is a setting in Live View that allows you to display or hide the assets on the floor plan2. If this check box is not selected, you will not be able to see the third-party beacons on Live View.
The Locate this Client as an Asset check box is a setting at the BLE client level that allows you to treat a BLE client as an asset for location purposes3. If this check box is not selected, you will not be able to track the BLE client as an asset.
NEW QUESTION # 27
Which Wireless Assurance SLE has classifiers of Association, Authorization, DHCP, and Internet Services?
- A. Coverage
- B. Roaming
- C. Capacity
- D. Time to Connect
Answer: D
Explanation:
Explanation
The Wireless Assurance SLE that has classifiers of Association, Authorization, DHCP, and Internet Services is Time to Connect. So the correct answer is C. Time to Connect.
NEW QUESTION # 28
In which two layers of the OSI model are WLANs located? (Choose two.)
- A. Network
- B. Physical
- C. Data Link
- D. Transport
Answer: B,C
Explanation:
Reference:
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.
NEW QUESTION # 29
What are basic data rates?
- A. fastest data rates
- B. optional data rates
- C. required data rates
- D. disabled data rates
Answer: C
NEW QUESTION # 30
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 Show assets check box has not been selected in Live View.
- B. The Locate this Client as an Asset check box has not been selected at the BLE client level.
- C. The APs are installed at 19 feet from the floor, above the recommended 15 feet.
- D. Marvis was not enabled for the site.
Answer: A,B
Explanation:
Explanation
According to the Mist documentation1, asset tracking is a service that allows you to find key assets and people with detailed analytics based on their location using Mist-supported third-party BLE beacons. To enable asset tracking, you need to configure both the BLE beacons and the Mist cloud settings.
The Show assets check box is a setting in Live View that allows you to display or hide the assets on the floor plan2. If this check box is not selected, you will not be able to see the third-party beacons on Live View.
The Locate this Client as an Asset check box is a setting at the BLE client level that allows you to treat a BLE client as an asset for location purposes3. If this check box is not selected, you will not be able to track the BLE client as an asset.
NEW QUESTION # 31
Which two statements are correct about channel bonding? (Choose two.)
- A. Bonding two channels together doubles the available bandwidth.
- B. Bonding two channels together doubles the required device resources.
- C. Bonding two channels together doubles the noise floor.
- D. Bonding two channels together doubles the number of available channels.
Answer: A,D
NEW QUESTION # 32
Referring to the exhibit, what is the site ID?
- A. 9777c1a0-6ef6-11e6-8bbf-02e208b2d34
- B. 978c48e6-6ef6-11e6-8bbf-02e208b2d34f
- C. 02e208b2d34f
- D. 02e208b2d34
Answer: B
Explanation:
Reference:
According to the exhibit, the site ID is 978c48e6-6ef6-11e6-8bbf-02e208b2d34f. This can be seen from the URL of the site dashboard, which contains the site ID as a parameter.
NEW QUESTION # 33
What happens first when a client requests to join a WLAN?
- A. ARP request
- B. 802.11 association
- C. 802. 11 authentication
- D. DHCP discovery
Answer: C
Explanation:
Reference:
According to the 802.11 Network Security Fundamentals - Cisco document, 802.11 authentication is the first step when a client requests to join a WLAN. 802.11 authentication is a process whereby the access point either accepts or rejects the identity of a client device to create resources.
NEW QUESTION # 34
Referring to the exhibit, you asked Marvis to troubleshoot a client. In this scenario, what did Marvis determine?
- A. two authentication failures today
- B. DHCP errors over the past seven days
- C. two DHCP failures today
- D. two authentication failures over this week
Answer: A
NEW QUESTION # 35
Which modulation method will result in the highest theoretical data rates?
- A. BPSK
- B. QPSK
- C. 16 QAM
- D. 64 QAM
Answer: D
NEW QUESTION # 36
Click the Exhibit button.
Referring to the exhibit, which statement is true?
- A. The WLAN is configured to only broadcast on the 2.4 GHz spectrum.
- B. The WLAN is configured with the high-density data rate setting enabled.
- C. The WLAN is configured to use DFS channels.
- D. The WLAN is configured to use geofencing.
Answer: C
NEW QUESTION # 37
Click the Exhibit button.
Referring to the exhibit, as part of the Throughput SLE in the Mist UI, the Coverage classifier indicates the signal strength of which device?
- A. the AP's radio for a single SSID
- B. the AP's radio strength
- C. the signal strength between APs
- D. the client
Answer: D
Explanation:
As part of the Throughput SLE in the Mist UI, the Coverage classifier indicates the signal strength of the client.
NEW QUESTION # 38
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The organization has two available licenses for Marvis wireless.
- B. The organization is using two licenses for Marvis wireless.
- C. The organization has one available license for Marvis wireless.
- D. The organization is using one license for Marvis wireless.
Answer: A,D
NEW QUESTION # 39
What is the AP's role in the IEEE 802.1X authentication process?
- A. It acts as an authentication server.
- B. It acts as an authenticator.
- C. It acts as a RADIUS proxy server.
- D. It acts as a supplicant.
Answer: B
Explanation:
Explanation
In the IEEE 802.1X authentication process, the AP acts as an authenticator.
NEW QUESTION # 40
Click the Exhibit button.
Referring to the exhibit, what would a guest user be able to do?
- A. Use Gmail and Slack.
- B. Use the HP Printer and Internet.
- C. Use only the Intranet.
- D. Use the Internet, except for Gmail and Slack.
Answer: D
Explanation:
Explanation
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It typically establishes a barrier between a trusted internal network and an untrusted external network, such as the Internet .
NEW QUESTION # 41
Some users cannot connect to the network. You want to identify these users. In Marvis, which query accomplishes this task?
- A. unhappy clients
- B. troubleshoot access points
- C. troubleshoot clients
- D. list clients
Answer: A
Explanation:
Explanation
If some users cannot connect to the network and you want to identify these users in Marvis, you should use the
"unhappy clients" query.
NEW QUESTION # 42
Which modulation method will result in the highest theoretical data rates?
- A. BPSK
- B. QPSK
- C. 16 QAM
- D. 64 QAM
Answer: D
Explanation:
According to the Wi-Fi - Radio Modulation - TutorialsPoint document1, 64 QAM is a modulation method that will result in the highest theoretical data rates among the given options. 64 QAM uses both phase and amplitude modulation to encode six bits of information into each transmitted symbol. It can achieve up to 54 Mbps in the 802.11a and g systems.
NEW QUESTION # 43
Which access points (APs) will be considered for inclusion in the AP Offline Marvis Action?
- A. all APs assigned to sites
- B. all purchased APs
- C. all APs in inventory
- D. all APs assigned to sites that have connected to the cloud previously
Answer: D
Explanation:
Explanation
The AP Offline Marvis Action will consider all APs assigned to sites that have connected to the cloud previously for inclusion. So the correct answer is A. all APs assigned to sites that have connected to the cloud previously.
NEW QUESTION # 44
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. Disable the 2.4 GHz Wi-Fi radios to reduce interference.
- C. Install Virtual Beacons in each aisle.
- D. Determine the orientation of each AP.
Answer: A,D
NEW QUESTION # 45
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The JN0-451 (Mist AI - Specialist (JNCIS-MistAI)) Certification Exam is an essential certification for networking professionals who want to specialize in Mist AI. Mist AI - Specialist (JNCIS-MistAI) certification validates the candidate's knowledge and skills in deploying, configuring, and managing Mist AI solutions, which are becoming increasingly important in today's digital age. By taking advantage of Juniper's training resources and joining the Juniper Learning Community, candidates can prepare for the exam and advance their careers.
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