検証済みJN0-250問題集PDF資料 [2022]
最新のJN0-250実際の無料試験問題更新された66問あります
質問 28
Which Mist feature offers Al-based interactive troubleshooting?
- A. Insights
- B. Wireless Assurance
- C. Site Configuration
- D. Marvis
正解: D
質問 29
When designing for a multiple frequency deployment (5 GHz and 2.4 GHz), which statement is correct?
- A. 5 GHz is a higher frequency and so will travel further and penetrate walls better.
- B. 5 GHz should generally be used for planning.
- C. 802. 11ac is available in both frequency bands so the design frequency is not important.
- D. The coverage of the multiple bands at the same power will be identical.
正解: A
質問 30
Which Mist device is designed exclusively for Bluetooth Low Energy?
- A. AP43
- B. AP63
- C. AP12
- D. BT11
正解: D
質問 31
You are troubleshooting a WLAN from a mobile handheld device that displays radio information. You see a signal on the same SSID from two separate access points (APs). AP A shows a signal strength of -57 dBm and AP B shows a signal strength of -72 dBm.
In this scenario, which statement is correct?
- A. Access point B has the stronger signal.
- B. The client's signal strength is not known.
- C. Access point A has the stronger signal.
- D. dBm is not a measure of signal strength.
正解: D
質問 32
Which Mist feature provides an overview of the user experience?
- A. Location Services
- B. Service Level Expectations
- C. Insights
- D. Policy
正解: C
質問 33
Which organization is responsible for creating the 802.11 standard?
- A. Institute of Electrical and Electronics Engineers (IEEE)
- B. Ethernet Technology Consortium
- C. International Organization for Standardization (ISO)
- D. Wi-Fi Alliance
正解: A
質問 34
What is the width for a 2.4 GHz OFDM channel?
- A. 30 MHz
- B. 20 MHz
- C. 5 MHz
- D. 10 MHz
正解: B
質問 35
Which two statements are correct about Marvis? (Choose two.)
- A. Marvis is the main configuration tool.
- B. Marvis will send custom reports.
- C. Marvis lets you ask questions about your network.
- D. Marvis can be used as a proactive monitoring tool.
正解: C,D
質問 36
Which device is responsible for roaming decisions?
- A. controller
- B. AP
- C. user
- D. client
正解: D
質問 37
What are three valid administrator roles that you would be able to assign to a user within an organization? (Choose three.)
- A. Super User
- B. Network Admin
- C. View
- D. Helpdesk
- E. Root User
正解: A,C,E
質問 38
Which SLE would you use to determine Wi-Fi interference?
- A. AP Uptime
- B. Successful Connects
- C. Roaming
- D. Capacity
正解: D
質問 39
How should a Mist AP43 be mounted?
- A. mounted horizontally on a ceiling
- B. mounted vertically above ceilings
- C. mounted horizontally on a table
- D. mounted vertically on a wall
正解: D
質問 40
Which statement is correct about the Mist API?
- A. You need one AP connected to use the Mist API.
- B. The Mist API requires calling support for access.
- C. The Mist API is part of the basic subscription.
- D. Proprietary tools are required to use the Mist API.
正解: D
質問 41
Which statement is correct about the default configuration of a Mist AP?
- A. DHCP is enabled to retrieve IP information.
- B. VLAN tagging is enabled.
- C. No interface configuration is provided and an IP must be statically defined after booting.
- D. 192.168.0.1 is statically configured on the uplink port.
正解: D
質問 42
Which Mist subscription is required for location tracking of Bluetooth badges?
- A. Asset Visibility
- B. Wi-Fi Assurance
- C. User Engagement
- D. Virtual Network Assistant
正解: A
質問 43
When would be the earliest opportunity to configure an access point (AP)?
- A. after the AP is claimed to inventory
- B. after the AP is installed
- C. after the AP is online
- D. after you are on the same network as the AP
正解: B
質問 44
Which statement is correct about Mist Edge?
- A. Mist Edge must be deployed in the public cloud.
- B. Mist Edge extends select microservices to the customer premises.
- C. Mist Edge is a VPN client.
- D. Mist Edge is a firewall.
正解: B
質問 45
What does RSSI measure?
- A. frequency
- B. signal strength
- C. interference
- D. noise
正解: B
質問 46
What are two requirements to connect an AP to the Mist Cloud? (Choose two.)
- A. You need DNS resolution.
- B. You need a CA SSL certificate.
- C. You need a static IP address.
- D. You need a DHCP server
正解: A,C
質問 47
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?
- A. LLDP-MED is not configured on the switch.
- B. The cable run to each AP is too long.
- C. The Ethernet cable is plugged into the wrong port on the AP.
- D. The APs' firmware must be upgraded.
正解: D
質問 48
Which organization is responsible for certifying that products and technology satisfy Wi-Fi interoperability?
- A. Wi-Fi Alliance
- B. ISO
- C. IETF
- D. IEEE
正解: A
質問 49
Which site survey ensures that RF design requirements are satisfied?
- A. passive
- B. real time
- C. spectrum
- D. active
正解: C
質問 50
A microwave oven would be classified as which type of interference?
- A. rogue
- B. Wi-Fi
- C. non Wi-Fi
- D. security
正解: B
質問 51
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