(2024) JN0-451 Dumps and Practice Test (82 Questions)
Guide (New 2024) Actual Juniper JN0-451 Exam Questions
Juniper JN0-451 (Mist AI - Specialist (JNCIS-MistAI)) exam is a certification test designed for IT professionals who specialize in the Juniper Mist AI platform. JN0-451 exam validates the skills and knowledge of the candidates related to configuring, managing, and troubleshooting the Mist AI platform. JN0-451 exam is essential for IT professionals who want to demonstrate their expertise in implementing the Juniper Mist AI platform and help their organizations leverage the intelligence and automation capabilities of the platform.
NEW QUESTION # 35
What are basic data rates?
- A. fastest data rates
- B. optional data rates
- C. disabled data rates
- D. required data rates
Answer: D
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.
NEW QUESTION # 36
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The organization is using one license for Marvis wireless.
- B. The organization has one available license for Marvis wireless.
- C. The organization has two available licenses for Marvis wireless.
- D. The organization is using two licenses for Marvis wireless.
Answer: B,D
NEW QUESTION # 37
Referring to the exhibit, what are two reasons why a Mist AP would have multiple IP addresses? (Choose two.)
- A. One IP address is used for redundancy.
- B. One IP address is used for control traffic and one address is used for management traffic.
- C. The Local Status Page is enabled in the site settings.
- D. A guest portal is configured on a tagged VLAN.
Answer: C,D
Explanation:
Reference:
According to the Mist AP43 Access Point Data Sheet document1 and the Guest Access - Mist document2, two reasons why a Mist AP would have multiple IP addresses are:
The Local Status Page is enabled in the site settings, which allows the AP to have an additional IP address on VLAN 4094 for local management purposes.
A guest portal is configured on a tagged VLAN, which allows the AP to have an additional IP address on that VLAN for guest access purposes.
NEW QUESTION # 38
According to the 802.11 standard, how wide are 2.4 GHz band OFDM channels?
- A. 22 MHz
- B. 3 MHz
- C. 20 MHz
- D. 5 MHz
Answer: C
Explanation:
Reference:
According to the 802.11 standard, OFDM channels in the 2.4 GHz band are 20 MHz wide.
According to the Lecture 3 - Radio Frequency and Antenna Fundamentals - Part 2 document2, OFDM channels in the 2.4 GHz band are 20 MHz wide according to the 802.11 standard.
NEW QUESTION # 39
Which two SLEs measure the amount of time that it takes for a process to complete? (Choose two.)
- A. throughput
- B. AP uptime
- C. roaming
- D. time to connect
Answer: C,D
Explanation:
Explanation
Two SLEs that measure amount of time it takes for process to complete are roaming and time to connect.So,the correct answers are A.roaming and D.time to connect
NEW QUESTION # 40
Referring to the exhibit, you asked Marvis to troubleshoot a client. In this scenario, what did Marvis determine?
- A. two DHCP failures today
- B. two authentication failures today
- C. two authentication failures over this week
- D. DHCP errors over the past seven days
Answer: C
NEW QUESTION # 41
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. a neighbor AP
- B. a honeypot AP
- C. an approved AP
- D. a rogue AP
Answer: B
Explanation:
According to the Data Rates - Mist document1, a honeypot AP is an AP that is not associated with your network, but broadcasts your corporate login page and WLAN name. This is a type of rogue AP that tries to trick users into connecting to it and revealing their credentials or other sensitive information.
NEW QUESTION # 42
What is the AP's role in the IEEE 802.1X authentication process?
- A. It acts as a RADIUS proxy server.
- B. It acts as an authentication server.
- C. It acts as a supplicant.
- D. It acts as an authenticator.
Answer: B
NEW QUESTION # 43
You have received a Marvis Actions Missing VLAN notification.
In this scenario, where is the problem?
- A. A client is missing the VLAN.
- B. A switch is missing the VLAN.
- C. The gateway is missing the VLAN.
- D. An access point is missing the VLAN.
Answer: B
NEW QUESTION # 44
What do 802.11 stations perform to help avoid collisions on the WLAN medium?
- A. Transmit on a fixed schedule.
- B. Listen to verify that the medium is free before transmitting.
- C. 802.11 stations detect collisions and set a back-off timer.
- D. Stations only transmit when polled by the access point.
Answer: B
NEW QUESTION # 45
What information would be streamed through webhooks? (Choose two.)
- A. alerts
- B. location coordinates of RFID tags
- C. SLE metrics of clients
- D. audit logs
Answer: A,B
NEW QUESTION # 46
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. Dynamic Packet Capture
- C. Alerts dashboard
- D. Clients Insights
Answer: B
Explanation:
Explanation
Dynamic Packet Capture is a Juniper Mist feature that can provide a pcap file of the VoIP handsets' connection attempts.
NEW QUESTION # 47
You are asked to forward event messages from Mist to an external log collector.
In this scenario, which feature would enable this capability?
- A. NETCONF
- B. webhooks
- C. SNMP traps
- D. syslog
Answer: D
Explanation:
Explanation
Syslog is a protocol that can be used to forward event messages from Mist to an external log collector.
NEW QUESTION # 48
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 configured to industry best practices.
- B. The WLAN with SSID Eero1234 is not configured to industry best practices.
- C. The WLAN with SSID NETGEAR24 is not configured to industry best practices.
- D. The WLAN with SSID Eero1234 is configured to industry best practices.
Answer: B,C
NEW QUESTION # 49
Regarding roaming, which device determines when it is time to connect to another AP?
- A. the current AP
- B. the gateway router
- C. the client device
- D. the primary AP
Answer: C
Explanation:
Explanation
Regarding roaming, it is ultimately up to the client device to determine when it's time to connect to another AP based on signal strength and other factors such as network congestion or interference. So the correct answer is B. The client device.
NEW QUESTION # 50
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: D
Explanation:
Explanation
63% of connection attempts failed on the access point named LD_RS_Support.
NEW QUESTION # 51
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: B
NEW QUESTION # 52
Once a client discovers an access point, what is the correct order of steps for successful 802.1X authentication?
- A. Open System Authentication -> Association -> 802.1X Authentication
- B. Association -> Open System Authentication -> 802.1X Authentication
- C. Association -> 802.1X Authentication -> Open System Authentication
- D. Open System Authentication -> 802.1X Authentication -> Association
Answer: A
Explanation:
Explanation
Once a client discovers an access point, the correct order of steps for successful 802.1X authentication is Open System Authentication -> Association -> 802.1X Authentication. So the correct answer is D.Open System Authentication -> Association -> 802.1X Authentication.
NEW QUESTION # 53
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. cellular clients
- B. Zigbee clients
- C. mobile app clients
- D. Wi-Fi clients
- E. BLE assets
Answer: C,D,E
Explanation:
Explanation
By default, occupancy analytics counts mobile app clients, Wi-Fi clients, and BLE assets.
NEW QUESTION # 54
Which two terms correctly describe transmissions over Wi-Fi? (Choose two.)
- A. half-duplex
- B. shared medium
- C. full-duplex
- D. point-to-point medium
Answer: B,C
NEW QUESTION # 55
What information would be streamed through webhooks? (Choose two.)
- A. alerts
- B. location coordinates of RFID tags
- C. audit logs
- 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.
NEW QUESTION # 56
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. physical layer
- C. network layer
- D. logical link control (LLC) sub-layer
Answer: A,B
NEW QUESTION # 57
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,C,D
Explanation:
Explanation
When deploying three WLAN 2.4 GHz networks in your US-based site while ensuring that each network frequency is unique and does not overlap with other frequency channels, you should use OFDM channels 1, 6 and 11. So the correct answers are B.1, D.6, and A.11.
NEW QUESTION # 58
Site A is configured with a WLAN and a policy. The administrator creates a configuration template at the organization level with additional policies for the same WLAN and mentions Site A in this template.
In this scenario, which statement is correct?
- A. The policy that is created at the site level will execute first.
- B. The policy that is created in the config template at the organization level will execute first.
- C. The policy created at the organization level can be applied to a site group, not to an individual site.
- D. There is no option to mention the site in the config template at the organization level.
Answer: B
NEW QUESTION # 59
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Juniper JN0-451 certification exam is a great choice for professionals who are looking to validate their skills and knowledge in the area of AI-driven wireless networking. Mist AI - Specialist (JNCIS-MistAI) certification exam is designed to test a wide range of skills, including network architecture, configuration and troubleshooting, as well as security and performance optimization. By passing this certification exam, individuals can enhance their careers and gain a competitive edge in the job market.
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