About 300-920 Exam
The Cisco 300-920 DEVWBX exam also known as Developing Applications for Cisco Webex and Webex Devices is a qualifying exam that is related to two certification paths, namely the Cisco Certified DevNet Professional, and the Cisco Certified DevNet Specialist - Webex. It is important to note that to obtain the Cisco Certified DevNet Professional qualification, each candidate must pass the core exam - 350-901 DEVCOR, and one concentration exam, given that Cisco 300-920 is one of the such tests required for this accreditation.
About Cisco 300-920 Exam
Spanning a total duration of 90 minutes, this exam serves as a means of proving the knowledge of a candidate about Webex development, especially concerning such areas as Webex API foundations, messaging, WebEx Devices, Webex Meetings, embedding Webex, as well as compliance and administration.
Regarding the audience, this Cisco 300-920 exam is designed for specialists in the positions of network engineer, communication engineer, and software engineer, especially those who are willing to take a huge step further in their professional careers.
Basic Requirements to Note
The Cisco 300-920 exam is concerned with network automation as its technology area, and it also encompasses necessary aspects of Webex development. Therefore, it will be of immense benefit for a candidate to have certain fundamental knowledge and skills before taking the final exam. These include basic knowledge of programming, a good understanding of Node.js, JavaScript, JavaScript Object Notation, REST syntax and uses, plus Visual Studio Code. And another aspect here is the understanding of how to use and administer Webex products for meetings, teams, and devices. In essence, all these will culminate in the ultimate success of the concerned candidates.
Highlighting Topics Covered in the Exam
Furthermore, in a bid to offer more ease to candidates, a list of key topics, with their designated percentages, can be found on the official Cisco website. These knowledge areas, though prone to being changed unannounced at any time, are the basis for thorough preparation to be ready on the day of the final test. Thus, the topics are highlighted below:
1.0 Webex API Foundation (15%)
Under this section, candidates are expected to be well familiar with the Webex API to the extent that they would be able to know what to do to get access to Webex APIs for particular scenarios. More so, they have to be familiar with the best authentication methods for Webex Teams, meetings, and devices. Other areas that candidates should be knowledgeable about also include: working with REST API responses that may include filtering and pagination, finding solutions to error codes for REST API, deploying Webex JavaScript SDK for constructing JavaScript requests, and having a good understanding of the management lifecycle of OAuth tokens.
2.0 Meetings (20%)
This domain is where candidates are expected to understand the functionalities of the Webex Meeting APIs, know how to tailor JavaScript towards scheduling meetings, manage users by creating HTTP requests through the XML API, and construct the JavaScript towards easily downloading and listing the recordings of meetings.
3.0 Devices (20%)
Here, candidates are meant to understand the differences in the capabilities and use of the xAPI over REST APIs, SSH, and WebSockets. Candidates are also expected to be able to identify which mechanisms are instrumental to receiving and sending data. Applicants should be able to address a particular scenario through the construction of a script using ‘jsxapi’ as well as understand how to troubleshoot macros and create a custom user interaction that includes in-room controls.
4.0 Messaging (20%)
This exam domain would require that candidates have a good grasp of the deployment of HTTP and JSON in the construction of REST API, especially for a given scenario which may include managing spaces, memberships, and teams. They are also meant to learn and practically understand how to construct a JavaScript application that is capable of sending and receiving messages. Besides, they will be expected to know about creating a JavaScript app that uses cards. In addition, the test-takers should be knowledgeable of diagnosing the process involved in managing Webhooks and be able to identify not only the capabilities but also the limitations of bots, as well as how to use them in specific contexts.
5.0. Embedding Webex (15%)
To display sufficient understanding of Webex, candidates need to familiarize themselves with the construction of an HTML page embedding a Widget through Integration or guest issuer, and also know the construction of the JavaScript to call, screen share, and/or send messages via the browser SDK. Moreover, candidates have to be able to identify the mechanisms required in receiving notifications for incoming calls on IOS and Android SDKs.
6.0 Compliance and Administration (10%)
This section simply is concerned with the administration of Webex organizations through the construction of JavaScript, which may then involve the collection of compliance data. Concerning this domain, candidates are to take note of all that may be needed in taking a compliance action on a message or space. They should also know how to create JavaScript to send requests to various devices for a specific scenario.
Career Opportunities
As you understand, after you pass the Cisco 300-920 DEVWBX exam, you become a Cisco Certified DevNet Specialist in the Webex area, thus automatically adding to your career reputation. What's more, you get the chance to qualify for Cisco Certified DevNet Professional accreditation. According to PayScale website, the annual salary of such specialists is about $96,572, though by updating your skills you can earn up to $137,000 per year.
