Free Salesforce CRT-600 Exam Questions

Become Salesforce Certified with updated CRT-600 exam questions and correct answers

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Total 217 Questions | Updated On: Feb 20, 2025

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Question 1

Which two console logs outputs NaN ?

Choose 2 answers

A : nsole.log(10/ Number('5'));

B : nsole.log(parseInt('two'));

C : nsole.log(10/ ''five);

D : nsole.log(10/0);

Answer: B,C

Question 2

developer creates a new web server that uses Node.js. It imports a server library that

uses events and callbacks for handling server functionality.

The server library is imported with require and is made available to the code by a

variable named server. The developer wants to log any issues that the server has while booting

up.

Given the code and the information the developer has, which code logs an error at boost

with an event?

A : Server.catch ((server) => {console.log('ERROR', error);});

B : Server.error ((server) => {console.log('ERROR', error);});

C : Server.on ('error', (error) => {console.log('ERROR', error);});

D : Try{server.start();} catch(error) {console.log('ERROR', error);}

Answer: C

Question 3

A developer writers the code below to calculate the factorial of a given number.

Function factorial(number) {

Return number + factorial(number -1);

}

factorial(3);

What is the result of executing line 04?

A : 0

B : 6

C : -Infinity

D : ntimeError

Answer: D

Question 4

Refer to code below:

Const objBook = {

Title: 'Javascript',

};

Object.preventExtensions(objBook);

Const newObjBook = objBook;

newObjectBook.author = 'Robert';

What are the values of objBook and newObjBook respectively ?

A : [title: ''javaScript''] [title: ''javaScript'']

B : {author: ''Robert'', title: ''javaScript}Undefined

C : {author: ''Robert'', title: ''javaScript}{author: ''Robert'', title: ''javaScript}

D : {author: ''Robert''}{author: ''Robert'', title: ''javaScript}

Answer: A

Question 5

A developer is debugging a web server that uses Node.js The server hits a runtimeerror

every third request to an important endpoint on the web server.

The developer added a break point to the start script, that is at index.js at he root of the

server's source code. The developer wants to make use of chrome DevTools to debug.

Which command can be run to access DevTools and make sure the breakdown is hit ?

A : de -i index.js

B : de --inspect-brk index.js

C : de inspect index.js

D : de --inspect index.js

Answer: D

Page: 1 / 44

Total 217 Questions | Updated On: Feb 20, 2025

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