[Solved] Which of the following is the correct way to define an AWS Lambda function handler in Node.js? — Ans: exports.handler = async (event) => { return 'Hello World'; }; | AWS

AWS - Lambda

Which of the following is the correct way to define an AWS Lambda function handler in Node.js?

Afunction handler(event, context) { console.log('Hello'); }

Bdef handler(event, context): return 'Hello World'

Cexports.handler = async (event) => { return 'Hello World'; };

Dlambda_handler(event, context) => { return 'Hello'; }

Step-by-Step Solution

Solution:

Step 1: Identify the language
Node.js Lambda handlers use exports.handler or module.exports.handler.
Step 2: Check syntax
exports.handler = async (event) => { return 'Hello World'; }; uses correct async arrow function syntax for Node.js Lambda.
Final Answer:
exports.handler = async (event) => { return 'Hello World'; }; -> Option C
Quick Check:
Node.js Lambda handlers export a function named 'handler' [OK]

Quick Trick: Node.js Lambda handlers use exports.handler [OK]

Common Mistakes:

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Which of the following is the correct way to define an AWS Lambda function handler in Node.js?