Websocket APIs JN0-253 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What should a client do when a Websocket connection to Mist is unexpectedly closed?

   • AIgnore the closure and continue sending messages
   • BSwitch to a REST API for all future data
   • CStop all data processing and wait for manual intervention
   • DAttempt to reconnect with exponential backoff
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   A WebSocket client receives a message indicating a 'state change' for an AP. The payload contains the AP name, old state, and new state. What should the client do with this information to be operationally useful?

   • AUpdate the internal inventory status for that AP and log the transition
   • BDiscard the message because state changes are not critical
   • CSend a command to the AP to revert to the old state
   • DStore the raw payload in a file without any processing
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   A company is evaluating how to integrate Mist alerts into their existing SIEM. They need to forward security-related events (e.g., rogue AP detection) in near real-time. Which Mist capability is best suited for this integration?

   • ASNMP polling of the Mist cloud for security events
   • BWebSocket API to subscribe to security event topics and forward them to the SIEM
   • CManual review of the Mist dashboard by the security team
   • DDaily CSV export of all events from the Mist portal
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   What should an application do when it receives a Websocket message from Mist?

   • AParse the message and take appropriate action based on the event type
   • BIgnore the message if it is not a text message
   • CForward the message to the Mist portal for processing
   • DClose the connection after every message
   Reveal Solution Discussion Select an answer first
6. 5application · medium

   An organization wants to receive only device alarms and location updates from Mist, not all telemetry. They are building a WebSocket client. What should they do to ensure they only receive the relevant data?

   • ARequest a separate WebSocket connection for each event type
   • BSubscribe to the specific WebSocket topics for device alarms and location updates
   • CConnect to the WebSocket and filter messages locally after receiving all data
   • DUse the REST API to pull only alarms and location data
   Reveal Solution Discussion Select an answer first