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Juniper JN0-250 Mist AI, Associate (JNCIA-MistAI) Online Training

Question #1

You configured an 802.11n AP to use the 2.4 GHz frequency band and 20 MHz channel width.

In this scenario, how many non-overlapping channels are available for clients to use in Europe?

  • A . 11
  • B . 4
  • C . 1
  • D . 6

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Correct Answer: B
Question #2

Which SLE would you use to determine Wi-Fi interference?

  • A . AP Uptime
  • B . Roaming
  • C . Successful Connects
  • D . Capacity

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Correct Answer: D
D

Explanation:

Reference: https://www.mist.com/documentation/service-level-expectations-sle/

Question #3

Which device is responsible for roaming decisions?

  • A . user
  • B . client
  • C . controller
  • D . AP

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Correct Answer: B
B

Explanation:

Reference: http://wifinigel.blogspot.com/2015/03/what-are-sticky-clients.html

Question #4

When using the Mist Cloud with Mist APs, which statement is correct?

  • A . User data is terminated in the cloud and run through a firewall.
  • B . User data is compressed and terminated in the cloud.
  • C . User data is terminated in the cloud and forwarded.
  • D . User data is bridged locally.

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Correct Answer: D
D

Explanation:

Reference: https://www.techtarget.com/searchnetworking/news/252473829/Juniper-taps-Mist-Systems-for-wired-wireless-LAN-analytics

Question #5

Which two statements are correct about Marvis? (Choose two.)

  • A . Marvis is the main configuration tool.
  • B . Marvis lets you ask questions about your network.
  • C . Marvis will send custom reports.
  • D . Marvis can be used as a proactive monitoring tool.

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Correct Answer: B,D
B,D

Explanation:

Reference: https://www.mist.com/resources/mist-marvis-overview/

Question #6

Which organization is responsible for WLAN standards?

  • A . FCC
  • B . IEEE
  • C . IETF
  • D . ISO

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Correct Answer: B
B

Reference: https://standards.ieee.org/featured/802/index.html#:~:text=IEEE%20802.11%20is%20a%20standards,formerly%20called%20IEEE%20Project%20802

Question #7

Users are complaining about WLAN performance and the Mist dashboard reports non-Wi-Fi interference.

Which diagnostics tool would you use to further investigate this issue on-site and determine the location of the interference?

  • A . spectrum analyzer
  • B . protocol analyzer
  • C . wireless design software
  • D . WLAN scanner

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Correct Answer: A
A

Explanation:

Reference: https://www.mist.com/resources/ap43-access-point/

Question #8

The DHCP server has run out of address leases on a site.

In this scenario, which SLE would be useful to what is happening?

  • A . capacity
  • B . throughput
  • C . roaming
  • D . successful connects

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Correct Answer: D
D

Explanation:

Reference: https://www.mist.com/documentation/troubleshoot-specific-connectivity-issues-using-marvis/

Question #9

Which statement is correct about the Mist API?

  • A . Proprietary tools are required to use the Mist API.
  • B . The Mist API is part of the basic subscription.
  • C . You need one AP connected to use the Mist API.
  • D . The Mist API requires calling support for access.

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Correct Answer: A
A

Explanation:

Reference: https://www.juniper.net/assets/jp/jp/local/pdf/additional-resources/mist-ai-forit-interop2020.pdf

Question #10

What are two requirements to connect an AP to the Mist Cloud? (Choose two.)

  • A . You need a CA SSL certificate.
  • B . You need DNS resolution.
  • C . You need a static IP address.
  • D . You need a DHCP server

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Correct Answer: B,C
B,C

Explanation:

Reference: https://www.mist.com/documentation/ap-connectivity-to-the-mist-cloud/

Question #11

A user is experiencing DNS problems.

In this scenario, where in the GUI would you be able to see the problems?

  • A . WLAN tab
  • B . Live View
  • C . Clients tab
  • D . Insights

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Correct Answer: D
D

Explanation:

Reference: https://www.mist.com/documentation/troubleshooting-steps-client-issues/

Question #12

Which statement is correct regarding settings at the organizational level?

  • A . The organizational level is where you define each location’s specific information.
  • B . The organizational level is where you specify customer-level global details.
  • C . The organizational level is where you enable BLE capabilities, if you have a license.
  • D . The organizational level is where you specify information about each AP’s placement.

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Correct Answer: A
Question #13

Which organization is responsible for certifying that products and technology satisfy Wi-Fi interoperability?

  • A . Wi-Fi Alliance
  • B . IETF
  • C . IEEE
  • D . ISO

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Correct Answer: A
A

Explanation:

Reference: https://www.mist.com/wi-fi-6/

Question #14

What does 802.11ac (Wi-Fi 5) specify as the maximum channel width?

  • A . 160 MHz
  • B . 60 MHz
  • C . 20 MHz
  • D . 40 MHz

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Correct Answer: A
A

Explanation:

Reference: https://help.keenetic.com/hc/en-us/articles/360012702420-Why-is-my-Wi-Fi-connection-with-the-router-slow-#:~:text=Answer%3A%20Wi%2DFi%20speed%20directly,antenna%20configuration%202×2%20and%20above

Question #15

By default, which statement is correct regarding the upstream interfaces configuration on a Mixtape?

  • A . The Interface is configured to send untagged traffic.
  • B . The interface is configured as a trunk port and accepts only tagged traffic.
  • C . The interface is configured to use VLAN 10.
  • D . The Interface is configured to use VLAN 11.

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Correct Answer: B
B

Explanation:

Reference: https://www.juniper.net/documentation/us/en/software/nce/nce-214-midsize-branch-mist-pwp/topics/topic-map/nce-214-midsize-branch-mist-example_part2.html

Question #16

Which statement is correct about channel bonding?

  • A . Channel bonding increases the total number of 20 MHz channels available in the 5 GHz frequency.
  • B . A maximum of two channels can be bonded in the 5 GHz frequency.
  • C . Channel bonding combines two or more adjacent channels to increase throughput.
  • D . Channel bonding combines two frequency bands together to increase operational efficiency.

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Correct Answer: C
C

Explanation:

Reference: https://windowsreport.com/channel-bonding/

Question #17

Which organization is responsible for creating the 802.11 standard?

  • A . Wi-Fi Alliance
  • B . Ethernet Technology Consortium
  • C . Institute of Electrical and Electronics Engineers (IEEE)
  • D . International Organization for Standardization (ISO)

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Correct Answer: C
C

Explanation:

Reference: https://newsroom.juniper.net/news/news-details/2019/Mist-Systems-Introduces-New-Products-and-Services-to-Bring-Simplicity-and-Scale-to-the-AI-Driven-Enterprise/default.aspx

Question #18

Which Mist subscription is required for location tracking of Bluetooth badges?

  • A . Asset Visibility
  • B . Wi-Fi Assurance
  • C . Virtual Network Assistant
  • D . User Engagement

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Correct Answer: A
A

Explanation:

Reference: https://www.mist.com/resources/contact-tracing-solution-brief/

Question #19

Which Juniper Mist device enables seamless roaming for large campus networks through on-premises tunneling?

  • A . Mist BT11
  • B . Mist AP43
  • C . Mist AP33
  • D . Mist Edge

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Correct Answer: D
D

Explanation:

Reference: https://www.juniper.net/content/dam/www/assets/datasheets/us/en/access-points/edge.pdf (2)

Question #20

How should a Mist AP43 be mounted?

  • A . mounted vertically above ceilings
  • B . mounted horizontally on a ceiling
  • C . mounted horizontally on a table
  • D . mounted vertically on a wall

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Correct Answer: D
D

Explanation:

Reference: https://www.mist.com/wp-content/uploads/AP43-Mist-Installation-Guide.pdf

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