100% Free DEX602 Practice Exam Questions (2026)

Refer to the code below:let timeFunction =() => {console.log('Timer called.'');};let timerId = setTimeout (timedFunction, 1000);Which statement allows a developer to cancel the scheduled timed function?

A developer has a web server running with Node.js. The command to start the web server is node server.js. The web server started havinglatency issues. Instead of a one second turnaround for web requests, the developer now sees a five second turnaround.Which command can the web developer run to see what the module is doing during the latency period?

Universal Containers recently launched its new landing page to host a crowd-fundingcampaign. The page uses an external library to display some third-party ads. Once the page isfully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like theone in the code below:All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.

Refer to the code below:function changeValue(param) {Param =5;}Let a =10;Let b =5;changeValue(b);Const result = a+ '' - ''+ b;What is the value of result when code executes?

Refer to the expression below:Let x = ('1' + 2) == (6 * 2);How should this expression be modified to ensure that evaluates to false?