JNCIA-MistAI JN0-252最新問題集で2024年07月07日
2024年最新の問題をマスター！JNCIA-MistAI合格目指そう！JN0-252リアル試験問題集！
質問 # 30
What are two characteristics of the 2.4 GHz band when compared to the 5 GHz band? (Choose two.)
- A. lower frequency
- B. more congestion
- C. less non-Wi-Fi interference
- D. shorter wavelength
正解：A、B
解説：
Reference: https://kb.netgear.com/29396/What-is-the-difference-between-2-4-GHz-and-5-GHz- wireless-frequencies
質問 # 31
Which administrator role must you have to view audit logs?
- A. Installer
- B. Network Admin
- C. Super User
- D. Observer
正解：B
質問 # 32
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. The Ethernet cable is plugged into the wrong port on the AP.
- B. LLDP-MED is not configured on the switch.
- C. The cable run to each AP is too long.
- D. The APs' firmware must be upgraded.
正解：B
質問 # 33
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
正解：B
解説：
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
質問 # 34
What are three alert levels used in the Mist UI? (Choose three.)
- A. notice
- B. informational
- C. error
- D. critical
- E. warning
正解：B、D、E
質問 # 35
Which Mist supported API is considered data-driven?
- A. WebSocket
- B. RESTful
- C. Webhook
- D. gRPC
正解：B
質問 # 36
What is an 802.11 management frame transmitted by an AP?
- A. keepalive
- B. beacon
- C. echo request
- D. ping
正解：B
解説：
Reference: https://howiwifi.com/2020/07/13/802-11-frame-types-and-formats
質問 # 37
Referring to the exhibit, what do you determine about the site's Time to Connect SLE metric?
- A. Successful connect averaged 1.6 seconds.
- B. Eighty percent of the Time to Connect failures are related to DHCP failures
- C. Time to Connect Association DHCP failures impacted 80% of users.
- D. All clients cannot connect to the Internet.
正解：B
質問 # 38
What is the minimum administrator role needed to invite a user to be an administrator of an organization?
- A. super user
- B. installer
- C. helpdesk
- D. network admin
正解：A
質問 # 39
You just received the newest Mist AP and want to enable a feature that is only available at this time on Release Candidate 1.
In this scenario, using the Mist GUI, where would you determine which version of Release Candidate 1 is available for your AP?
- A. Support Tickets and Documentation -> Ports & Endpoints
- B. Support Tickets and Documentation -> Mist Edge Updates
- C. Support Tickets and Documentation -> Feature Updates
- D. Support Tickets and Documentation -> Firmware Updates
正解：D
解説：
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
質問 # 40
Which statement is correct about Marvis Actions?
- A. It automatically detects and reports network problems.
- B. It summarizes user trouble tickets and detected AP problems.
- C. It summarizes all of the misconfigured WLANs at a site.
- D. It automatically issues an RMA for an AP.
正解：A
解説：
Reference: https://www.mist.com/documentation/what-is-marvis-actions/
質問 # 41
In which two Mist configuration levels would you create labels? (Choose two.)
- A. switch
- B. location
- C. site
- D. organization
正解：C、D
質問 # 42
What does Mist with Wi-Fi Assurance do to detect a bad cable connected to an AP?
- A. It monitors SNMP trap information.
- B. It performs cable tests.
- C. It sends probe traffic through the cable connections.
- D. It applies machine learning to telemetry data.
正解：B
質問 # 43
Which SLE would you use to determine Wi-Fi interference?
- A. AP Uptime
- B. Capacity
- C. Successful Connects
- D. Roaming
正解：B
質問 # 44
Where in the Mist UI would the Persistently Failing Clients report be found?
- A. Marvis Actions
- B. Insights
- C. Successful Connects SLE
- D. Alerts
正解：B
解説：
Reference: https://www.mist.com/documentation/august-26th-2021-updates/
質問 # 45
Which location mode is required to track BLE badges?
- A. BLE asset visibility
- B. vBLE Engagement
- C. wayfinding
- D. Wi-Fi location
正解：A
解説：
Reference: https://www.juniper.net/us/en/products/cloud-services/asset-visibility.html
質問 # 46
Referring to the exhibit, which Marvis language would you use to query Mist about an issue?
- A. Python
- B. SQL
- C. query language
- D. natural language
正解：C
質問 # 47
Which statement is correct about a WLAN RF medium?
- A. A WLAN RF is a half-duplex, contention-free medium where the access point polls each station in turn.
- B. A WLAN RF is a half-duplex, shared medium where 802.11 stations contend with each other for access.
- C. A WLAN RF is a full duplex, contention free medium where each client transmits on a separate channel.
- D. A WLAN RF is a full-duplex, contention-free medium where 802.11 stations can transmit and receive at the same time.
正解：B
解説：
Reference: https://thewlan.com.au/2017/01/13/cwna-chapter-7-wireless-lan-topologies/
質問 # 48
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
正解：A
解説：
Reference: https://www.mist.com/resources/ap43-access-point/
質問 # 49
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