Free Salesforce CRT-600 Exam Practice Questions
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PDF Questions
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Bundle Pack
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Online Engine
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Question No 1
Refer to the code below: 01 const exec = (item, delay) =>{ 02 new Promise(resolve => setTimeout( () => resolve(item), delay)), 03 async function runParallel() { 04 Const (result1, result2, result3) = await Promise.all{ 05 [exec (‘x’, ‘100’) , exec(‘y’, 500), exec(‘z’, ‘100’)] 06 ); 07 return `parallel is done: $(result1) $(result2)$(result3)`; 08 } } } Which two statements correctly execute the runParallel () function? Choose 2 answers
Question No 2
A developer needs to test this function: 01 const sum3 = (arr) => ( 02 if (!arr.length) return 0, 03 if (arr.length === 1) return arr[0], 04 if (arr.length === 2) return arr[0] + arr[1], 05 return arr[0] + arr[1] + arr[2], 06 ); Which two assert statements are valid tests for the function? Choose 2 answers
Question No 3
Which statement phrases successfully?
Question No 4
Refer to the code below: 01 let car1 = new promise((_, reject) => 02 setTimeout(reject, 2000, “Car 1 crashed in”)); 03 let car2 = new Promise(resolve => setTimeout(resolve, 1500, “Car 2 completed”)); 04 let car3 = new Promise(resolve => setTimeout (resolve, 3000, “Car 3 Completed”)); 05 Promise.race([car1, car2, car3]) 06 .then(value => ( 07 let result = $(value) the race. `; 08 )) 09 .catch( arr => ( 10 console.log(“Race is cancelled.”, err); 11 )); What is the value of result when Promise.race executes?
Question No 5
Refer to the code below: for(let number =2 ; number <= 5 ; number += 1 ) { // insert code statement here } The developer needs to insert a code statement in the location shown. The code statement has these requirements: 1. Does require an import 2. Logs an error when the boolean statement evaluates to false 3. Works in both the browser and Node.js Which meet the requirements?
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Total 224 Questions
About This CRT-600 Question Bank
This page has 224 free practice questions for the Salesforce CRT-600 (Prepare for your JavaScript Developer I Certification Exam) exam, last refreshed on 8th Sep 2026. Answer each question, then reveal the correct choice to check your understanding before deciding whether to unlock the full question bank.
The demo above is a sample of the complete CRT-600 question set. The full bank includes the PDF, downloadable practice test, and online exam-engine formats listed above, with free updates included for the duration you choose.
Frequently Asked Questions
How many free CRT-600 questions can I try here?
This demo includes a sample from our 224-question CRT-600 bank so you can check the format and difficulty before purchasing.
Are these CRT-600 questions updated?
Yes, the Salesforce CRT-600 question bank is reviewed and refreshed periodically to reflect current exam objectives.
What formats are available for the full CRT-600 question bank?
PDF download, an online practice-test engine, and a combined bundle pack with 3, 6, or 12-month free updates.
Is there a refund if I don't pass?
Yes, purchases include a money-back guarantee — see our refund policy for details.