[Jan-2023] The Juniper JN0-250 Exam Test For Brief Preparation [Q37-Q61] : Latest Exam Prep : http://certify.vceprep.com

QUESTION 37
Which statement is correct about channel bonding?

Channel bonding increases the total number of 20 MHz channels available in the 5 GHz frequency.

A maximum of two channels can be bonded in the 5 GHz frequency.

Channel bonding combines two or more adjacent channels to increase throughput.

Channel bonding combines two frequency bands together to increase operational efficiency.

QUESTION 38
You are troubleshooting a signal strength issue when you notice that the signal strength changes from -70 to
-73 dBm as you move from one room to another.
In this scenario, what is happening?

Signal strength has increased by 10x.

Signal strength has decreased by 10x.

Signal strength has doubled.

Signal strength has halved.

QUESTION 39
How should you design a WLAN to ensure optimal performance?

Place one access point in every room and allow RRM to tune the power and channel settings.

Use RF modelling software to design a WLAN to satisfy customer requirements.

Initially install 4-8 access points, then use the Mist capacity SLE to determine the remaining access point placements.

Place an access point every 8-15 meters in all areas requiring coverage.

QUESTION 40
What is an 802.11 management frame transmitted by an AP?

echo request

ping

keepalive

beacon

QUESTION 41
What would cause 5 GHz interference?

Bluetooth

a wireless video camera

BLE

a microwave oven

QUESTION 42
How should a Mist AP43 be mounted?

mounted vertically above ceilings

mounted horizontally on a ceiling

mounted horizontally on a table

mounted vertically on a wall

QUESTION 43
In a standard roam from one access point to another access point, what makes the decision to roam?

the controller

the access point

the client device

the cloud

QUESTION 44
Which characteristic describes Mist’s cloud software architecture?

microservices based

shard based

controller based

monolithic code

QUESTION 45
Which 802.11 amendment added OFDMA?

802.11b

802.11n

802.11ax

802.11ac

QUESTION 46
Which Juniper Mist device enables seamless roaming for large campus networks through on-premises tunneling?

Mist BT11

Mist AP43

Mist AP33

Mist Edge

QUESTION 47
You are replacing an existing WLAN with a Mist Cloud-based WLAN.
Which statement is true about WLAN design in this scenario?

You only need to perform a new WLAN design if the requirements have changed.

WLAN designs are not needed with Mist artificial intelligence and machine learning.

You do not need to create a new design if the existing WLAN design documentation is available.

You should always perform a full WLAN design for new equipment.

QUESTION 48
The DHCP server has run out of address leases on a site.
In this scenario, which SLE would be useful to what is happening?

capacity

throughput

roaming

successful connects

QUESTION 49
By default, which statement is correct regarding the upstream interfaces configuration on a Mixtape?

The Interface is configured to send untagged traffic.

The interface is configured as a trunk port and accepts only tagged traffic.

The interface is configured to use VLAN 10.

The Interface is configured to use VLAN 11.

QUESTION 50
When would be the earliest opportunity to configure an access point (AP)?

after you are on the same network as the AP

after the AP is installed

after the AP is online

after the AP is claimed to inventory

QUESTION 51
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?

QUESTION 52
You have just brought online a new site of AP43s. While verifying that everything looks good, you notice that all of the access points (APs) are reporting “insufficient power.” The APs are connected to an 802. 3at-capable switch.
In this scenario, what would be the cause of the error?

The cable run to each AP is too long.

The Ethernet cable is plugged into the wrong port on the AP.

The APs’ firmware must be upgraded.

LLDP-MED is not configured on the switch.

QUESTION 53
Which Mist subscription is required for location tracking of Bluetooth badges?

Asset Visibility

Wi-Fi Assurance

Virtual Network Assistant

User Engagement

QUESTION 54
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?

spectrum analyzer

protocol analyzer

wireless design software

WLAN scanner

QUESTION 55
Which organization is responsible for creating the 802.11 standard?

Wi-Fi Alliance

Ethernet Technology Consortium

Institute of Electrical and Electronics Engineers (IEEE)

International Organization for Standardization (ISO)

QUESTION 56
What does 802.11ac (Wi-Fi 5) specify as the maximum channel width?

160 MHz

60 MHz

20 MHz

40 MHz

QUESTION 57
What is the width for a 2.4 GHz OFDM channel?

20 MHz

30 MHz

5 MHz

10 MHz

QUESTION 58
Which statement is correct about the Mist API?

Proprietary tools are required to use the Mist API.

The Mist API is part of the basic subscription.

You need one AP connected to use the Mist API.

The Mist API requires calling support for access.

QUESTION 59
Which statement is correct regarding settings at the organizational level?

The organizational level is where you define each location’s specific information.

The organizational level is where you specify customer-level global details.

The organizational level is where you enable BLE capabilities, if you have a license.

The organizational level is where you specify information about each AP’s placement.

QUESTION 60
A microwave oven would be classified as which type of interference?

Wi-Fi

rogue

security

non Wi-Fi

QUESTION 61
What are three valid administrator roles that you would be able to assign to a user within an organization?
(Choose three.)

Super User

View

Root User

Network Admin

Helpdesk

[Jan-2023] The Juniper JN0-250 Exam Test For Brief Preparation [Q37-Q61]

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