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Juniper JN0-451 exam is an essential certification for IT professionals who want to advance their careers in the networking industry. Mist AI - Specialist (JNCIS-MistAI) certification provides a clear path for career advancement and is highly valued by employers. JN0-451 exam covers a wide range of topics related to the Juniper Mist AI solution, and candidates need to have a strong understanding of networking concepts and technologies to pass the exam. With the right preparation and training, candidates can pass the exam and take their careers to the next level.
NEW QUESTION # 39
Which two events are displayed under the Client Events area found on the Insights page? (Choose two.)
- A. Reassociation
- B. DHCP Denied
- C. Restart by User
- D. Reflection (Loop Detection)
Answer: A,B
NEW QUESTION # 40
According to the Coverage SLE, which classifier tracks an AP that transmits at a lower data rate than a connected client?
- A. Asymmetry Downlink
- B. Slow OKC Roam
- C. Device Capability
- D. Latency
Answer: A
Explanation:
Explanation
According to the Coverage SLE, the Asymmetry Downlink classifier tracks an AP that transmits at a lower data rate than a connected client.
NEW QUESTION # 41
Click the Exhibit button.
Referring to the exhibit, what is the meaning of the AI VALIDATED status update?
- A. The issue was opened and closed manually.
- B. The issue was opened and is unresolved.
- C. The issue was opened and Marvis confirms it has been closed.
- D. The issue was opened and Marvis has closed it.
Answer: C
Explanation:
Explanation
The AI VALIDATED status update means that the issue was opened and Marvis confirms it has been closed.
NEW QUESTION # 42
When does a Mist AP actually begin transmitting BLE?
- A. When it is claimed and placed on a site.
- B. When BLE is enabled at the Organization level.
- C. When BLE is enabled for the AP.
- D. When it is placed on a floor plan.
Answer: D
Explanation:
According to the Location - how it works - Mist document1, a Mist AP actually begins transmitting BLE when it is placed on a floor plan. This is because the Mist cloud uses the floor plan information to calculate the optimal BLE transmission pattern for each AP.
NEW QUESTION # 43
You are deploying multiple Mist APs across many sites in your network. You must ensure that you apply consistent WxLAN and WLAN policies across all sites within the same organization.
Which configuration object should be used to accomplish this behavior?
- A. an RF template
- B. a device profile
- C. a config template
- D. site labels
Answer: C
Explanation:
According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide1, a config template is a configuration object that can be used to apply consistent WxLAN and WLAN policies across all sites within the same organization. A config template can be applied to a site group, which is a collection of sites that share common attributes.
NEW QUESTION # 44
You are asked to forward event messages from Mist to an external log collector.
In this scenario, which feature would enable this capability?
- A. SNMP traps
- B. NETCONF
- C. syslog
- D. webhooks
Answer: C
Explanation:
Syslog is a protocol that can be used to forward event messages from Mist to an external log collector.
According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide1, syslog is a feature that enables forwarding event messages from Mist to an external log collector. Syslog messages can be sent over UDP or TCP protocols.
NEW QUESTION # 45
Click the Exhibit button.
Referring to the exhibit, which statement is correct?
- A. The packet capture will contain only management frames.
- B. The packet capture will contain full frames.
- C. The packet capture was taken manually.
- D. The packet capture was taken automatically.
Answer: D
Explanation:
According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide2, a device profile is a configuration object that allows you to group similar devices together and apply consistent WxLAN policies across multiple sites. A device profile defines parameters such as device type, OS, and MAC address.
NEW QUESTION # 46
You must define VLANs as untagged, tagged, or using VLAN pooling.
In this scenario, where would you accomplish this task in the Juniper Mist UI?
- A. site settings
- B. WLAN settings
- C. policy settings
- D. organization settings
Answer: B
NEW QUESTION # 47
All the access points (APs) on the site will obtain an IP address for the Management VLAN. You notice an additional IP address for each configured VLAN on the AP.
Which statement is correct in this scenario?
- A. The Local Status Page has been enabled in the AP setting under the Site configuration.
- B. The AP MAC has a DHCP reservation.
- C. The AP is configured to support wireless mesh.
- D. This behavior is enabled by default under the Site configuration.
Answer: A
Explanation:
According to the Mist documentation1, a Mist AP will pull a management IP address from the Native VLAN by default. However, if the Local Status Page is configured for the Site, all the site APs will pull their own IP address from the Management VLAN, but also addresses for each of the VLANs configured on the AP. This is because each AP creates a Switch Virtual Interface (SVI) for each VLAN on its eth0 interface.
The Local Status Page is a feature that allows you to access information about an AP's status and configuration through a web browser by connecting to its IP address2. This feature can be enabled or disabled at the site level under Site Settings > Access Points > Advanced Settings.
NEW QUESTION # 48
A user with a PSK calls you and says, "The Wi-Fi worked for a week and now it does not work." There have not been any recent configuration changes to the network. You suspect that a time-based setting has reset the key.
In this scenario, where would you begin troubleshooting?
- A. WLAN-level Pre-Shared Keys
- B. Organization-level Pre-Shared Keys
- C. RADIUS Pre-Shared Keys
- D. Site-level Pre-Shared Keys
Answer: A
NEW QUESTION # 49
What are two 802.11 MAC frame types? (Choose two.)
- A. BSSID
- B. control
- C. SSID
- D. management
Answer: B,D
NEW QUESTION # 50
You are deploying multiple Mist APs across many sites in your network. You must ensure that you apply consistent WxLAN and WLAN policies across all sites within the same organization.
Which configuration object should be used to accomplish this behavior?
- A. an RF template
- B. a device profile
- C. a config template
- D. site labels
Answer: A
NEW QUESTION # 51
Click the Exhibit button.
Referring to the exhibit, in the USA, which two statements are correct? (Choose two.)
- A. The WLAN with SSID NETGEAR24 is not configured to industry best practices.
- B. The WLAN with SSID NETGEAR24 is configured to industry best practices.
- C. The WLAN with SSID Eero1234 is not configured to industry best practices.
- D. The WLAN with SSID Eero1234 is configured to industry best practices.
Answer: B,C
Explanation:
Explanation
Referring to the exhibit and considering that it is in the USA, the WLAN with SSID Eero1234 is not configured to industry best practices while the WLAN with SSID NETGEAR24 is configured to industry best practices.
NEW QUESTION # 52
What are two ways to access Marvis? (Choose two.)
- A. Use the conversational assistant.
- B. Use Actions.
- C. Use config templates.
- D. Use Insights.
Answer: A,B
NEW QUESTION # 53
What is meant when a Marvis Action is shown as "AI Validated"?
- A. Marvis has observed a recurring issue.
- B. Marvis has observed a new issue.
- C. The issue which triggered an alert has been set to Resolved status.
- D. Marvis has observed an issue that is no longer present.
Answer: D
Explanation:
Reference:
When a Marvis Action is shown as "AI Validated", it means that Marvis has observed an issue that is no longer present.
NEW QUESTION # 54
Click the Exhibit button.
Referring to the exhibit, what would a guest user be able to do?
- A. Use the Internet, except for Gmail and Slack.
- B. Use Gmail and Slack.
- C. Use the HP Printer and Internet.
- D. Use only the Intranet.
Answer: A
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 # 55
You want to identify APs that are not associated with your network. However, the APs broadcast your corporate login page and WLAN name.
What does Mist use to identify APs in this scenario?
- A. an approved AP
- B. a rogue AP
- C. a neighbor AP
- D. a honeypot AP
Answer: B
NEW QUESTION # 56
A retail customer has legacy 2.4 GHz scanners that need to connect to the WLAN, but they are not connecting.
Which WLAN data rate setting is required for these devices to connect?
- A. No Legacy
- B. Custom Rates
- C. High Density
- D. Compatible
Answer: D
Explanation:
The Compatible WLAN data rate setting is required for legacy 2.4 GHz scanners to connect to the WLAN.
According to the Data Rates - Mist document4, the WLAN data rate setting that is required for legacy 2.4 GHz scanners to connect to the WLAN is Compatible. This setting enables all data rates from 1 Mbps to 54 Mbps for both 2.4 GHz and 5 GHz bands. This setting is recommended for legacy devices that need low data rates to connect.
NEW QUESTION # 57
Click the Exhibit button.
Referring to the exhibit, what is the meaning of the AI VALIDATED status update?
- A. The issue was opened and closed manually.
- B. The issue was opened and is unresolved.
- C. The issue was opened and Marvis confirms it has been closed.
- D. The issue was opened and Marvis has closed it.
Answer: D
NEW QUESTION # 58
Which two statements are correct about the radio frequency rule of 10s and 3s? (Choose two.)
- A. If the signal strength increases by 3 dB, the power is doubled.
- B. If the signal strength decreases by 10 dB, the power is halved.
- C. If the signal strength increases by 3 dB, the power is tripled.
- D. If the signal strength decreases by 10 dB, the power decreases tenfold.
Answer: A,C
Explanation:
NEW QUESTION # 59
Referring to the exhibit, what does the security alert indicate?
- A. An AP that is not part of the Mist Org is launching a DDoS attack on the Mist APs.
- B. An AP that is not part of the Mist Org is operating in the same RF channel as the nearby Mist AP.
- C. An AP that is not part of the Mist Org is advertising the same SSIDs as the Mist APs.
- D. An AP that is not part of the Mist Org is connected to the same wired network as the Mist APs.
Answer: C
Explanation:
Reference:
According to the Security Alerts - Mist document, the security alert indicates that an AP that is not part of the Mist Org is advertising the same SSIDs as the Mist APs. This is a type of rogue AP that tries to impersonate a legitimate AP and lure users into connecting to it.
NEW QUESTION # 60
You are installing and booting up your first Juniper Mist AP at your site.
By default, which two statements are correct in this scenario? (Choose two.)
- A. The AP will send DHCP requests using the native VLAN.
- B. The AP will attempt to connect to the Mist cloud using port 443.
- C. The AP will send DHCP requests with a VLAN ID of 10.
- D. The AP will attempt to connect to the Mist cloud using port 8080.
Answer: A,B
Explanation:
According to the Initial AP Connection and VLANs & Static IP addresses - Mist document1, when a Juniper Mist AP boots up for the first time, it will expect to see a trunked port or the native VLAN=1 and will send a DHCP request on that VLAN. The AP will attempt to connect to the Mist cloud using port 443, which is the default HTTPS port.
NEW QUESTION # 61
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Juniper JN0-451 (Mist AI - Specialist (JNCIS-MistAI)) Certification Exam is a comprehensive test that covers a wide range of topics related to Mist AI, including the Mist AI architecture, deployment, configuration, and troubleshooting. JN0-451 exam is intended for networking professionals who have a solid understanding of network fundamentals and are familiar with Juniper’s networking solutions. It is also recommended that candidates have some experience working with Mist AI solutions or have completed the Mist AI Fundamentals course.
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