Free Juniper JN0-451 Exam Actual Questions

The questions for JN0-451 were last updated On Feb 18, 2025

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Question No. 1

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?

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Question No. 2

Which two SLEs measure the amount of time that it takes for a process to complete? (Choose two.)

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Correct Answer: A, D

According to the Virtual Network Assistant | Juniper Networks US document3, two SLEs that measure the amount of time that it takes for a process to complete are:

Roaming, which measures how long it takes for a client to switch from one AP to another without losing connectivity.

Time to Connect, which measures how long it takes for a client to complete all steps of network access such as authentication, DHCP, and DNS.


Question No. 3

What are two 802.11 MAC frame types? (Choose two.)

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Correct Answer: A, C

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.

Question No. 4

What are three available rate limiting options in the Mist UI? (Choose three.)

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Correct Answer: B, C, D

According to the Wi-Fi configuration with Mist Systems | HCD Consulting GmbH document, three available rate limiting options in the Mist UI are:


Question No. 5

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?

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