[Feb-2024] Latest Juniper JN0-451 Certification Practice Test Questions
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NEW QUESTION # 23
Click the Exhibit button.
Referring to the exhibit, what would a guest user be able to do?
- A. Use the HP Printer and Internet.
- B. Use Gmail and Slack.
- C. Use only the Intranet.
- D. Use the Internet, except for Gmail and Slack.
Answer: D
NEW QUESTION # 24
Which two fields are required when creating a new site? (Choose two.)
- A. time zone
- B. RF template
- C. site name
- D. location
Answer: C,D
NEW QUESTION # 25
Mist WLAN objects are configurable at which two levels? (Choose two.)
- A. access point
- B. site group
- C. site
- D. organization
Answer: B,C
Explanation:
Explanation
According to the Mist documentation1, WLANs are wireless networks that can be configured with different settings such as SSID, security, encryption, authentication, etc. WLANs can be created and managed at different levels of hierarchy in the Mist cloud.
The site group level allows you to create and apply WLANs to a group of sites that share common characteristics or requirements2. This helps you to simplify and standardize your WLAN configuration across multiple sites.
The site level allows you to create and manage WLANs for a specific site that may have unique needs or preferences1. This gives you more flexibility and granularity for your WLAN configuration at each site.
NEW QUESTION # 26
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 Downlink
- B. Asymmetry Uplink
- C. Wi-Fi Interference
- D. Slow OKC Roam
Answer: A
Explanation:
Explanation
According to Coverage SLE, Asymmetry Downlink classifier tracks a client that transmits at lower data rate than AP to which it is connected.So the correct answer is A.Asymmetry Downlink
NEW QUESTION # 27
What are two functions of Mist Radio Resource Management (RRM)? (Choose two.)
- A. Ethernet configurations
- B. transmit power control
- C. channel assignment
- D. WLAN scheduling
Answer: B,C
Explanation:
Mist Radio Resource Management (RRM) performs several functions including transmit power control and channel assignment which help optimize wireless network performance by dynamically adjusting radio settings based on changing environmental conditions.So,the correct answers are A.transmit power control and C.channel assignment According to the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide1, two functions of Mist Radio Resource Management (RRM) are:
Transmit power control, which adjusts the transmit power of APs based on their coverage area and interference level.
Channel assignment, which assigns channels to APs based on their location and interference level.
NEW QUESTION # 28
Regarding roaming, which device determines when it is time to connect to another AP?
- A. the primary AP
- B. the client device
- C. the current AP
- D. the gateway router
Answer: B
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 # 29
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 APs are installed at 19 feet from the floor, above the recommended 15 feet.
- C. The Locate this Client as an Asset check box has not been selected at the BLE client level.
- D. Marvis was not enabled for the site.
Answer: A,C
NEW QUESTION # 30
Referring to the exhibit, you asked Marvis to troubleshoot a client. In this scenario, what did Marvis determine?
- A. two authentication failures over this week
- B. two authentication failures today
- C. two DHCP failures today
- D. DHCP errors over the past seven days
Answer: B
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 # 31
What are two 802.11 MAC frame types? (Choose two.)
- A. BSSID
- B. control
- C. management
- D. SSID
Answer: B,C
Explanation:
Reference:
According to the Lecture 4 - MAC Layer - Part 1 document, two 802.11 MAC frame types are:
Control, which is used to coordinate access to the wireless medium and acknowledge successful transmissions.
Management, which is used to establish and maintain associations between devices and perform functions such as authentication, scanning, and roaming.
NEW QUESTION # 32
Click the Exhibit button.
Referring to the exhibit, what would a guest user be able to do?
- A. Use the HP Printer and Internet.
- B. Use Gmail and Slack.
- 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 # 33
You are deploying multiple Mist APs across many sites in your network. You must ensure that you can group similar devices together to easily apply consistent WxLAN policies across multiple sites.
Which configuration object should be used to accomplish this behavior?
- A. device profile
- B. RF template
- C. organization labels
- D. radio management
Answer: A
Explanation:
Explanation
When deploying multiple Mist APs across many sites in your network and grouping similar devices together to easily apply consistent WxLAN policies across multiple sites, you should use device profiles.
NEW QUESTION # 34
Regarding roaming, which device determines when it is time to connect to another AP?
- A. the primary AP
- B. the client device
- C. the current AP
- D. the gateway router
Answer: B
NEW QUESTION # 35
Referring to the exhibit, you asked Marvis to troubleshoot a client. In this scenario, what did Marvis determine?
- A. two authentication failures over this week
- B. two authentication failures today
- C. two DHCP failures today
- D. DHCP errors over the past seven days
Answer: A
NEW QUESTION # 36
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. Clients Insights
- B. Dynamic Packet Capture
- C. Service Level Expectations
- D. Alerts dashboard
Answer: B
NEW QUESTION # 37
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The organization is using two licenses for Marvis wireless.
- B. The organization is using one license for Marvis wireless.
- C. The organization has one available license for Marvis wireless.
- D. The organization has two available licenses for Marvis wireless.
Answer: B,C
Explanation:
According to the exhibit, the organization has a total of two licenses for Marvis wireless, and one of them is in use. Therefore, the organization has one available license and one used license for Marvis wireless.
NEW QUESTION # 38
Your customer added an Apple TV in their conference room so that employees can easily share their screen. However, the Apple TV cannot be discovered by the employees' devices.
Which two settings are causing the problem? (Choose two.)
- A. Ignore Broadcast SSID Probe Requests
- B. Broadcast/Multicast
- C. ARP
- D. MDNS
Answer: C,D
NEW QUESTION # 39
Which two statements correctly describe an extended service set (ESS)? (Choose two.)
- A. The SSID is common across all BSSs within the ESS.
- B. The SSID is unique across all BSSs within the ESS.
- C. Each BSS within the ESS share a common BSSID.
- D. Each BSS within the ESS has its own unique BSSID.
Answer: A,C
NEW QUESTION # 40
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 config template
- C. a device profile
- D. site labels
Answer: A
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 Marvis confirms it has been closed.
- B. The issue was opened and Marvis has closed it.
- C. The issue was opened and is unresolved.
- D. The issue was opened and closed manually.
Answer: A
Explanation:
The AI VALIDATED status update means that the issue was opened and Marvis confirms it has been closed.
According to the Marvis Virtual Network Assistant Datasheet1, the AI-VALIDATED status update means that the issue was opened and Marvis confirms it has been closed. This status indicates that Marvis has verified that the issue is no longer present and the root cause has been resolved.
NEW QUESTION # 42
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 Downlink
- B. Asymmetry Uplink
- C. Wi-Fi Interference
- D. Slow OKC Roam
Answer: A
Explanation:
According to Coverage SLE, Asymmetry Downlink classifier tracks a client that transmits at lower data rate than AP to which it is connected.So the correct answer is A.Asymmetry Downlink
NEW QUESTION # 43
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. Association -> 802.1X Authentication -> Open System Authentication
- C. Open System Authentication -> 802.1X Authentication -> Association
- D. Open System Authentication -> Association -> 802.1X Authentication
Answer: D
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 # 44
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The organization is using two licenses for Marvis wireless.
- B. The organization is using one license for Marvis wireless.
- C. The organization has one available license for Marvis wireless.
- D. The organization has two available licenses for Marvis wireless.
Answer: A,C
NEW QUESTION # 45
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