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OpenJS Node.js Application Developer (JSNAD)

Price
395 USD
Not Applicable
LQEX-LNX-JSNAD
Exam Vouchers
Linux Foundation

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Course Description

Overview

The OpenJS Node.js Application Developer certification is ideal for the Node.js developer with at least two years of experience working with Node.js.

Exam Details
This exam is an online, proctored, performance-based test that requires implementing multiple solutions within a Remote Desktop Linux environment. Visual Studio Code, Vim and Webstorm (kindly sponsored by JetBrains) are included as editors in this environment.
The exam includes tasks simulating on-the-job scenarios, and Candidates have 2 hours to complete the tasks
 

Objectives

The two-hour exam tests your skills from debugging Node.js to managing asynchronous operations to controlling processes. It tests knowledge and skills that an experienced Node.js application developer would be expected to possess. The exam is performance-based and includes items simulating on-the-job scenarios. JSNAD certification demonstrates the ability to perform tasks in real world-type environments, giving employers confidence that the certificant possesses a broad range of skills around JavaScript and related technologies. Passing a performance-based exam demonstrates the candidate's ability to perform challenging real world tasks under time constraints.
 

Audience

JSNAD certification is ideal for the Node.js developer with at least two years of experience working with Node.js. It is designed for anyone looking to demonstrate competence with Node.js to create applications of any kind, with a focus on knowledge of Node.js core API’s.
 

Prerequisites

    There are no pre-requisites for this exam.
     

Topics

  • Buffer and Streams 11%
Node.js Buffer API’s Incremental Processing Transforming Data Connecting Streams
  • Control flow 12 %
Managing asynchronous operations Control flow abstractions
  • Child Processes 8%
Spawning or Executing child processes Child process configuration
  • Diagnostics 6%
Debugging Node.js Basic performance analysis
  • Error Handling 8%
Common patterns Handling errors in various scenarios
  • Node.js CLI 4%
Node executable command line flags
  • Events 11%
The event system Building event emitters Consuming event emitters
  • File System 8%
Input/output Watching
  • JavaScript Prerequisites 7%
Language fundamentals Scoped to core language features introduced since EcmaScript 1 and still heavily used today
  • Module system 7%
CommonJS Module System only
  • Process/Operating System 6%
Controlling the process Getting system data
  • Package.json 6%
Package configuration Dependency management
  • Unit Testing 6%
Using assertions Testing synchronous code Testing asynchronous code
 
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Exam Terms & Conditions

Exam purchase is good for a period of 1-year. Any exam vouchers not redeemed within 1-year of purchase will be voided. Exam vouchers are non-refundable. Once an exam voucher is redeemed, the candidate will have 1 year from their redemption date to actually take the exam.


- Online Exam
- Certification Valid for 3 Years
- Includes 12 Month Exam Eligibility
- One Retake
- PDF Certificate and Digital Badge
- Performance-Based Exam
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