Cisco 300-920 Actual Free Exam Questions & Community Discussion

  • Exam Code/Number: 300-920
  • Exam Name/Title: Developing Applications for Cisco Webex and Webex Devices
  • Certification Provider: Cisco
  • Corresponding Certification: Cisco Certified DevNet Professional
  • Exam Questions: 60
  • Updated On: May 27, 2026
Refer to the exhibit.

An 'Action Button' with identifier 'panel_1' is deployed to the Touch10 interface of a Room Series device.
Which event must be inserted into line 14 to turn the music on/off in the conference room?
Correct Answer: D Vote an answer
Refer to the exhibit.

A macro and a UI extension (also called In-Room Control) are being developed. What is the reason for the error displayed in the console?
Correct Answer: D Vote an answer
Refer to the exhibit.

With this in-room configuration, which command successfully sets the slider to 50?
Correct Answer: D Vote an answer
Refer to the exhibit.

What causes the error message?
Correct Answer: A Vote an answer
Which REST API request is used to list all the Webex Room Kit devices within a large organization so that a new custom In-Room Control can be deployed on all the devices?

Correct Answer: D Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
Drag and drop the expressions from the right onto the Webex JavaScript SDK code on the left to create a Webex Teams space, add a person to the space, and send a welcome message. Not all expressions are used.
Correct Answer:

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10