100% Free Real Updated JN0-451 Questions & Answers Pass Your Exam Easily
Easily To Pass New JN0-451 Verified & Correct Answers
NEW QUESTION # 22
Once a client discovers an access point, what is the correct order of steps for successful 802.1X authentication?
- A. Association -> Open System Authentication -> 802.1X Authentication
- B. Open System Authentication -> Association -> 802.1X Authentication
- C. Open System Authentication -> 802.1X Authentication -> Association
- D. Association -> 802.1X Authentication -> Open System Authentication
Answer: B
NEW QUESTION # 23
Which two statements are correct about the radio frequency rule of 10s and 3s? (Choose two.)
- A. If the signal strength decreases by 10 dB, the power is halved.
- B. If the signal strength increases by 3 dB, the power is doubled.
- 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: B,D
Explanation:
Explanation
According to the radio frequency rule of 10s and 3s, for every loss or gain of 10 dBm, you divide or multiply the power in mW by 10. For every loss or gain of 3 dBm, you divide or multiply the power in mW by 2 1.
https://www.controleng.com/articles/radio-math/
NEW QUESTION # 24
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 attempt to connect to the Mist cloud using port 443.
- B. The AP will attempt to connect to the Mist cloud using port 8080.
- C. The AP will send DHCP requests with a VLAN ID of 10.
- D. The AP will send DHCP requests using the native VLAN.
Answer: A,D
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 # 25
Which two authentication methods would be used with a guest portal? (Choose two.)
- A. social login
- B. external portal
- C. Kerberos
- D. RSA
Answer: A,B
Explanation:
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.
NEW QUESTION # 26
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. a config template
- B. site labels
- C. an RF template
- D. a device profile
Answer: A
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 # 27
Click the Exhibit button.
A user opened a ticket. Upon troubleshooting, you determine that frequent roaming is the root cause of the problem.
Referring to the exhibit, which statement describes the roaming issue that the client is experiencing?
- A. There are frequent roams between different bands.
- B. There are frequent roams between different access points.
- C. There are frequent roams between different WLANs.
- D. There are frequent roams between different protocols.
Answer: B
Explanation:
Explanation
The exhibit shows a graph of the client's roaming history over time. The x-axis represents the time and the y-axis represents the access point ID. Each dot on the graph indicates a roam event where the client switched from one access point to another.
The graph shows that the client roamed between different access points multiple times within a short period of time. This indicates that the client was experiencing frequent roams between different access points, which could affect its network performance and user experience.
NEW QUESTION # 28
What are two ways to access Marvis? (Choose two.)
- A. Use the conversational assistant.
- B. Use config templates.
- C. Use Actions.
- D. Use Insights.
Answer: A,C
NEW QUESTION # 29
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 attempt to connect to the Mist cloud using port 443.
- B. The AP will attempt to connect to the Mist cloud using port 8080.
- C. The AP will send DHCP requests with a VLAN ID of 10.
- D. The AP will send DHCP requests using the native VLAN.
Answer: A,D
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 # 30
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. High Density
- B. No Legacy
- C. Custom Rates
- D. Compatible
Answer: D
Explanation:
Explanation
The Compatible WLAN data rate setting is required for legacy 2.4 GHz scanners to connect to the WLAN.
NEW QUESTION # 31
Which two statements are correct about channel bonding? (Choose two.)
- A. Bonding two channels together doubles the required device resources.
- B. Bonding two channels together doubles the number of available channels.
- C. Bonding two channels together doubles the available bandwidth.
- D. Bonding two channels together doubles the noise floor.
Answer: A,C
Explanation:
Explanation
Channel bonding combines two adjacent channels to create a wider channel, effectively doubling the available bandwidth. However, this also doubles the required device resources such as power and processing.
NEW QUESTION # 32
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:
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 # 33
Click the Exhibit button.
Referring to the exhibit, which percentage of connection attempts failed on the access point named LD_RS_Support?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Explanation
63% of connection attempts failed on the access point named LD_RS_Support.
NEW QUESTION # 34
According to the 802.11 standard, how wide are 2.4 GHz band OFDM channels?
- A. 3 MHz
- B. 5 MHz
- C. 22 MHz
- D. 20 MHz
Answer: D
NEW QUESTION # 35
What is meant when a Marvis Action is shown as "AI Validated"?
- A. Marvis has observed a recurring issue.
- B. The issue which triggered an alert has been set to Resolved status.
- C. Marvis has observed an issue that is no longer present.
- D. Marvis has observed a new issue.
Answer: C
NEW QUESTION # 36
You are asked to set up occupancy analytics for an office that has an existing Mist AP.
Which three types of devices are counted by default? (Choose three.)
- A. BLE assets
- B. cellular clients
- C. Zigbee clients
- D. Wi-Fi clients
- E. mobile app clients
Answer: B,D,E
Explanation:
According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide3, three types of devices that are counted by default for occupancy analytics are:
Mobile app clients, which are devices that have a mobile app installed with the Mist SDK or BLE beaconing enabled.
Cellular clients, which are devices that have cellular connectivity and can be detected by Mist APs using LTE sensing.
Wi-Fi clients, which are devices that have Wi-Fi connectivity and can be detected by Mist APs using Wi-Fi scanning.
NEW QUESTION # 37
Referring to the exhibit, you asked Marvis to troubleshoot a client. In this scenario, what did Marvis determine?
- A. two authentication failures today
- B. two authentication failures over this week
- C. two DHCP failures today
- D. DHCP errors over the past seven days
Answer: A
Explanation:
Reference:
According to the exhibit, Marvis determined that there were two authentication failures today for the client device. This can be seen from the red dots on the timeline chart that indicate failed events and from the event details that show authentication failure as the reason.
NEW QUESTION # 38
Referring to the exhibit, you asked Marvis to troubleshoot a client. In this scenario, what did Marvis determine?
- A. two authentication failures today
- B. two authentication failures over this week
- C. two DHCP failures today
- D. DHCP errors over the past seven days
Answer: B
NEW QUESTION # 39
You are deploying three WLAN 2.4 GHz networks in your US-based site. You must ensure that each network frequency is unique and does not overlap with the other frequency channels.
In this scenario, which three OFDM channels should be used? (Choose three.)
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: A,B,D
NEW QUESTION # 40
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. Clients Insights
- D. Dynamic Packet Capture
Answer: D
NEW QUESTION # 41
......
Free JN0-451 Exam Files Downloaded Instantly: https://quizguide.actualcollection.com/JN0-451-exam-questions.html