Exam Name: Developing Applications for Cisco Webex and Webex Devices
Certification Provider: Cisco
Corresponding Certification: Cisco Certified DevNet Professional
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Updated: Oct 21, 2026
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Cisco 300-920 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Developing Applications for Cisco Webex and Webex Devices (DEVWBX) |
| Exam Number: | 300-920 |
| Exam Format: | Scenario-based Questions, Multiple Answer, Multiple Choice |
| Certificate Validity Period: | 3 years |
| Exam Price: | USD 300 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Related Certifications: | Cisco Certified DevNet Specialist - Webex Cisco Certified DevNet Professional |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Pearson VUE testing center or online proctored exam |
| Pre Condition: | No formal prerequisite. Recommended knowledge includes basic programming, JavaScript, Node.js, JSON, REST APIs, and Webex administration. |
| Official Syllabus URL: | https://www.cisco.com/c/dam/en_us/training-events/le31/le46/cln/marketing/exam-topics/300-920-DEVWBX.pdf |
Cisco 300-920 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Webex Devices | 20% | - Device automation and customization
|
| Topic 2: Administration and Compliance | 10% | - Administration and governance
|
| Topic 3: Webex Meetings | 20% | - Meetings API capabilities
|
| Topic 4: Webex API Foundation | 15% | - Webex API access and authentication
|
| Topic 5: Messaging | 20% | - Webex Messaging development
|
| Topic 6: Embedding Webex | 15% | - Embed collaboration features
|
Frequently Asked Questions: Cisco 300-920 Exam
Cisco Developing Applications for Cisco Webex and Webex Devices is an official certification exam from Cisco, identified by the exam code 300-920. Pass it and you hold the Cisco Certified DevNet Professional certification, which sits at the Professional level. It also feeds into related credentials, including Cisco Certified DevNet Professional, Cisco Certified DevNet Specialist - Webex. In practical terms, this certification tells employers your skills have been measured against the vendor's own standard, which is why certified candidates tend to stand out in hiring and promotion decisions.
No formal prerequisite. Recommended knowledge includes basic programming, JavaScript, Node.js, JSON, REST APIs, and Webex administration.
Because vendors update their policies without much fanfare, verify the latest entry requirements before you book using the official exam page.
Yes, and we encourage it. Download the free PDF demo of the Cisco Developing Applications for Cisco Webex and Webex Devices questions from ITCertMagic and evaluate the quality on your own terms. After you buy, every update for the next 365 days is free, and when that window closes you can extend your update service at half price.
A 100% money-back guarantee applies, governed by clear conditions. If you sit the Cisco Developing Applications for Cisco Webex and Webex Devices exam within 60 days of purchase and fail, you can claim a full refund, as long as the exam corresponds to your product. Attempts made within 3 days of purchase are ineligible, as are products you downloaded but never used, free materials, and expired orders; the name on the exam record must match the payer's name. File your claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is settled within 7 days. Rather have a replacement than a refund? You may exchange for two other exam products of equal value, free, and your original product keeps its update service.
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The Cisco Developing Applications for Cisco Webex and Webex Devices blueprint spans 6 domains. The ones carrying the most weight include Webex Meetings (20%), Embedding Webex (15%), and Administration and Compliance (10%). The complete domain-by-domain breakdown is in the exam topics section above; treat it as your master checklist and let the weights tell you where your study hours earn the most.
Cisco Developing Applications for Cisco Webex and Webex Devices Sample Questions:
Refer to the exhibit.
Which code for blank lines 26, 27, and 28 gives invitees 900 seconds before the scheduled time to join the meeting, sets the meeting to last for 30 minutes, and sets the meeting timezone to Pacific US?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Correct Answer: B 🗳️
Refer to the exhibit.
Which Webex Teams REST API request has generated the response body in the exhibit?
- A. GET/v1/rooms?max=1
- B. GET/v1/rooms?sortBy=lastactivity
- C. GET/v1/rooms?sortBy=created
- D. GET/v1/spaces?orderBy=lastActivity
Correct Answer: A 🗳️
Refer to the exhibit.
A Webex device In-Room Control editor screenshot and associated Macro code is shown. Drag and drop the code snippets to complete the JavaScript Macro that launches a call when the Call button on the custom control panel is touched. Not all options are used.
Correct Answer:
Refer to the exhibit.
Certain lighting conditions are needed when hosting Webex meetings for a particular department in a company. A split button that integrates with the lighting controls is added to the Touch 10. However, when the user selects Chill, the lights turn off completely. Which code change resolves this issue?
- A. Set x.Type to 'pressed' instead of 'released'.
- B. Set x.Type to 'clicked' instead of 'released'.
- C. Change xapi.event to xapi.httpfeedback.
- D. Pass x.Value instead of x to the lights function.
Correct Answer: A 🗳️
Refer to the exhibit.
When using the Webex Browser SDK to create calls and share screens, which two statements are valid given a
'webex' object such as displayed in the exhibit? (Choose two.)
- A. The joinMeeting() function throws an error of type 'media stopped' if a media stream is stopped.
- B. The webex meetings.register() function must be invoked before attempting to join any meeting.
- C. After a meeting is joined, it cannot be left programmatically until the host ends the meeting.
- D. The mediaSettings for a joined meeting accepts boolean attributes to send and receive audio, video, and screen share.
- E. Given a Webex meeting number the webex meetings join() function can be used to join the meeting.
Correct Answer: B,C 🗳️
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