Juniper JN0-253 시험

Question No : 1

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

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Question No : 2

Which administrator role must you have to view audit logs?

• A.Installer
• B.BNetwork Admin
• C.Super User
• D.Observer

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Question No : 3

What is the minimum administrator role required to invite users as administrators to an organization?

• A.installer
• B.network admin
• C.super user
• D.helpdesk

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Question No : 4

Which two API types are available for Mist management? (Choose two.)

• A.RESTful
• B.XML RPC
• C.SOAP
• D.Webhook

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Question No : 5

You are the network administrator for your company’s network. The network consists of two Active Directory domains: lmiweb.com and hr.lmiweb.com. The lmiweb.com domain supports most of the company’s user accounts and resources. The hr.lmiweb.com domain contains the user accounts and resources for the company’s human resources department.
The company has deployed an extensive 802.11b wireless network. Access points (APs) have been deployed throughout the company to provide users in all departments with wireless connectivity and serve as bridges to the wired LAN. A total of 325 users, including all members of hr.lmiweb.com, have been issued laptops with 802.11bcompliant network adapters. No other computers have wireless connectivity. All wireless LANs have Wired Equivalent Privacy (WEP) enabled to secure these communications.
Human resources users work throughout the company providing employee training and informational seminars. These users require access to the wireless LAN in all company locations. You must ensure that all human resources data is as secure as possible as it is transmitted across the wireless LAN. Only users with accounts in only specific users/computers groups should be able to access the human resources division’s wireless LAN.
In addition, users without accounts in this domain should not be able to view or select the LAN from their list of available networks.
What should you do? Each correct answer presents part of the solution. (Choose three.)

• A.Configure MAC filtering on each department’s wireless LA
• B.Configure MAC filtering on the human resources wireless LA
• C.Enable Service Set Identifier (SSID) broadcasting on each department’s access point.
• D.Configure a unique Service Set Identifier (SSID) for each department’s wireless LA
• E.Configure a unique Service Set Identifier (SSID) for the human resources wireless LA
• F.Enable Service Set Identifier (SSID) broadcasting on all the human resources access points.
• G.Disable Service Set Identifier (SSID) broadcasting on all the human resources access points.

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Question No : 6

Where in the Mist UI would the Persistently Failing Clients report be found?

• A.Alerts
• B.Marvis Actions
• C.Successful Connects SLE
• D.Insights

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Question No : 7

How can support tickets be raised in Juniper Mist Cloud Operations?

• A.By sending an email to the support team.
• B.By calling the support team on the phone.
• C.By opening a ticket directly in the Juniper Mist Cloud Operations portal.
• D.All of the above.

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Question No : 8

Which organization is responsible for WLAN standards?

• A.FCC
• B.IEEE
• C.IETF
• D.ISO

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Question No : 9

What are the prerequisites for connecting to the Juniper Mist cloud network?

• A.Factory default configurations and network connection prerequisites
• B.Network connection prerequisites and device configuration settings
• C.Network connection prerequisites and organization settings
• D.Organization settings and device configuration settings

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Question No : 10

Which two statements correctly describe what happens when a Mist subscription expires? (Choose two.)

• A.The Mist management GUI functionality related to the expired subscriptions remain visible
• B.The devices remain operational
• C.The devices are no longer operational
• D.The Mist management GUI functionality related to the expired subscriptions are hidden

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Question No : 11

What will ensure optimal connectivity in 802.11?

• A.RSSI of -82 dBm
• B.Signal strength of -80 dBm
• C.Noise floor of -91 dBm
• D.SNR of 25 dB

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Question No : 12

What are two types of operations for a Wi-Fi access point? (Choose two.)

• A.To mesh to a neighboring access point
• B.To bridge wireless traffic to a wired network
• C.To connect to a 5G network
• D.To connect to a DECT phone

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Question No : 13

What is Webhook in Juniper Mist Cloud Operations?

• A.A protocol for network configuration.
• B.A mechanism for sending notifications to external systems.
• C.A technology for managing virtual machines.
• D.A mechanism for capturing network traffic.

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Question No : 14

Which Mist feature provides an overview of the user experience?

• A.Service Level Expectations
• B.Policy
• C.Insights
• D.Location Services

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Question No : 15

Alert templates are assigned to sites in which area of the Mist GUI?

• A.Organization Settings
• B.Alert Template Configuration
• C.Site Group
• D.Site Configuration

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