What is the primary role of Websocket APIs in Juniper Mist?

To enable real-time data streaming and event-driven communication

To batch historical data for offline analysis

To replace all REST API calls for configuration changes

To provide a one-time snapshot of configuration data

Why is a heartbeat mechanism important in a Websocket connection to Mist?

To keep the connection alive and detect interruptions

To authenticate the client periodically

To increase the data transfer rate

A developer receives a WebSocket message from Mist and needs to extract the MAC address of a client that just associated. The message is in JSON format. What is the correct first step to extract this information?

Parse the JSON payload and navigate to the field containing the client MAC address

Re-request the data via the REST API to get a cleaner format

Convert the message to XML and query with XPath

Search the raw string for the first 12-character alphanumeric sequence

How does a client indicate which data streams it wants to receive from Mist Websocket APIs?

By opening a separate Websocket connection for each stream

By configuring the stream in the Mist portal

By sending a subscription message specifying the topics

By sending a REST API request before connecting

Juniper NetworksCertified Associate, Mist AI

Domain 7Objective 2

Websocket APIs JN0-253 Practice Questions (Page 5)

Part of the Juniper Mist Cloud Operations domain, which makes up ~18% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~6–11 in this domain), expect 1–2 from this objective — we provide 28 practice questions to prepare you well beyond it. (estimate)

28questions here

6free pages

6concepts

Questions 21–25

21foundation · easy
What is the primary role of Websocket APIs in Juniper Mist?
Select an answer first
22foundation · easy
Why is a heartbeat mechanism important in a Websocket connection to Mist?
Select an answer first
23application · medium
A developer receives a WebSocket message from Mist and needs to extract the MAC address of a client that just associated. The message is in JSON format. What is the correct first step to extract this information?
Select an answer first
24foundation · easy
What is the typical format of a Mist Websocket data payload?
Select an answer first
25foundation · easy
How does a client indicate which data streams it wants to receive from Mist Websocket APIs?
Select an answer first

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