JN0-251 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
Under ideal conditions, which frequency band will have the farthest usable range?

A.900 MHz
B.2.4 GHz
C.5 GHz
D.6 GHz

正解:
Explanation:
Reference: https://en.wikipedia.org/wiki/Long-range_Wi-Fi

Question No : 2
A user device sends signal information to the Mist Location Engine.
In this scenario, what is expected from the Mist Location Engine?

A.product advertisements
B.coordinates
C.sensor device information
D.login splash page

正解:

Question No : 3
The status of user authentication will affect which pair of SLEs?

A.Successful Connects and Time to Connect
B.Coverage and Roaming
C.Capacity and Successful Connects
D.Time to Connect and Throughput

正解:

Question No : 4
Which Mist supported API is considered data-driven?

A.RESTful
B.Webhook
C.WebSocket
D.gRPC

正解:

Question No : 5
Which Marvis Action category will detect a bad cable based on information and behavior of a single AP?

A.AP
B.Connectivity
C.Layer 1
D.Switch

正解:
Explanation:
Reference: https://www.mist.com/documentation/category/marvis-actions/#:~:text=Layer%201%20Actions&text=Bad%20Cable%20Bad%20cable%20cases, Ethernet%20errors%20across%20your%20network

Question No : 6
What are two prerequisites for adopting Juniper switches for Wired Assurance? (Choose two.)

A.a claim code
B.a Wired Assurance license
C.an activation code
D.an account on manage.mist.com

正解:
Explanation:
Reference: https://www.juniper.net/us/en/products/cloud-services/wired-assurance.html

Question No : 7
Which statement is correct about Marvis Actions?

A.It summarizes user trouble tickets and detected AP problems.
B.It automatically detects and reports network problems.
C.It summarizes all of the misconfigured WLANs at a site.
D.It automatically issues an RMA for an A

正解:
Explanation:
Reference: https://www.mist.com/documentation/what-is-marvis-actions/

Question No : 8
Which two Mist-supported APIs are considered event-driven? (Choose two.)

A.RESTful
B.gRPC
C.WebSocket
D.Webhook

正解:

Question No : 9
What are two valid Mist subscription status states in the Mist GUI? (Choose two.)

A.Expired
B.Perpetual
C.Staged
D.Exceeded

正解:
Explanation:
Reference: https://www.mist.com/documentation/subscriptions-and-activations/

Question No : 10
You are asked to invite a new user to administer specific sites in read-only mode.
Which two roles are available to the new user? (Choose two.)

A.Helpdesk
B.Installer
C.Network Admin
D.Observer

正解:

Question No : 11
Which statement is correct about Mist AP packet capture?

A.You can configure a wired or wireless packet capture manually.
B.You can only configure wired packet captures manually.
C.You can only trigger wired or wireless packet captures dynamically.
D.You can only configure wireless packet captures manually.

正解:
Explanation:
Reference: https://www.mist.com/documentation/dynamic-packet-captures/

Question No : 12
What are two characteristics of the 2.4 GHz band when compared to the 5 GHz band? (Choose two.)

A.shorter wavelength
B.lower frequency
C.less non-Wi-Fi interference
D.more congestion

正解:
Explanation:
Reference: https://kb.netgear.com/29396/What-is-the-difference-between-2-4-GHz-and-5-GHz-wireless-frequencies

Question No : 13
Which two statements are correct about an Organization ID? (Choose two.)

A.The Organization ID is randomly created by the system.
B.The Organization ID is used to identify the organization when using APIs.
C.The Organization ID is the encrypted version of the Organization Name field.
D.The Organization ID is manually defined by the user.

正解:

Question No : 14
What is an advantage of using the Juniper Mist cloud compared to traditional on-premises WLAN controllers?

A.The ability to configure Mist cloud using any connected A
B.More robust AP encryption occurs.
C.Machine learning occurs through microservices.
D.Mist updates occur daily.

正解:
Explanation:
Reference: https://www.juniper.net/us/en/solutions/wireless-access.html

Question No : 15
Which protocol is used by Mist access points to discover third-party switches?

A.LLDP
B.SNMP
C.CDP
D.ICMP

正解:
Explanation:
Reference: https://www.mist.com/documentation/wired-visibility-mist-dashboard/

Juniper JN0-251 問題練習