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[2023] Use Valid New CRT-600 Test Notes & CRT-600 Valid Exam Guide [Q53-Q71]

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[2023] Use Valid New CRT-600 Test Notes & CRT-600 Valid Exam Guide

CRT-600 Actual Questions Answers PDF 100% Cover Real Exam Questions


Salesforce CRT-600 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Objects, Functions, and Classes
  • Using JavaScript Modules
  • Declaring Classes
Topic 2
  • Browser and Events
  • Document Object Model
  • Browser Dev Tools
Topic 3
  • JavaScript Basics
  • Working with Strings, Numbers, and Dates
Topic 4
  • Asynchronous Programming
  • Callback Functions
  • Promises and Async
  • Await
Topic 5
  • Server Side JavaScript Debugging in Node.js, Node.js Libraries

 

NEW QUESTION 53
Refer to the following array:
Let arr = [ 1,2, 3, 4, 5];
Which three options result in x evaluating as [3, 4, 5] ?
Choose 3 answers.

  • A. Let x= arr.filter((a) => ( return a>2 ));
  • B. Let x = arr.slice(2,3);
  • C. Let x= arr.slice(2);
  • D. Let x= arr.splice(2,3);
  • E. Let x= arr.filter (( a) => (a<2));

Answer: A,C,D

 

NEW QUESTION 54
A developer wants to use a module named universalContainersLib and then call functions from it.
How should a developer import every function from the module and then call the functions foo and bar?

  • A. import * as lib from '/path/universalContainersLib.js';
    lib.foo();
    lib. bar ();
  • B. import all from '/path/universalContainersLib.js';
    universalContainersLib.foo();
    universalContainersLib.bar ();
  • C. import {foo,bar} from '/path/universalCcontainersLib.js';
    foo():
    bar()?
  • D. import * from '/path/universalContainersLib.js';
    universalContainersLib. foo ()7
    universalContainersLib.bar ();

Answer: A

 

NEW QUESTION 55
A developer wants to set up a secure web server with Node.js. The developer creates a directory locally called app-server, and the first file is app-server/index.js Without using any third-party libraries, what should the developer add to index.js to create the secure web server?

  • A. const https =require('https');
  • B. const http =require('http');
  • C. const tls = require('tls');
  • D. const server =require('secure-server');

Answer: A

 

NEW QUESTION 56
Refer to the code below:
Const myFunction = arr => {
Return arr.reduce((result, current) =>{
Return result = current;
}, 10};
}
What is the output of this function when called with an empty array ?

  • A. Returns 10
  • B. Throws an error
  • C. Returns NaN
  • D. Returns 0

Answer: C

 

NEW QUESTION 57
Refer to the code below:

Which value can a developer expect when referencing country,capital,cityString?

  • A. An error
  • B. 'London'
  • C. undefined
  • D. 'NaN'

Answer: D

 

NEW QUESTION 58
Refer to the code:

Given the code above, which three properties are set for pet1? Choose 3 answers

  • A. size
  • B. owner
  • C. type
  • D. canTalk
  • E. name

Answer: A,C,D

 

NEW QUESTION 59
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 having latency 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?

  • A. DEBUG=true node server.js
  • B. DEBUG=http, https node server.js
  • C. NODE_DEBUG=http,https node server.js
  • D. NODE_DEBUG=true node server.js

Answer: A

 

NEW QUESTION 60
A developer is trying to handle an error within a function.
Which code segment shows the correct approach to handle an error without propagating it elsewhere?
A)

B)

C)

D)

  • A. Option B
  • B. Option D
  • C. Option A
  • D. Option C

Answer: B

 

NEW QUESTION 61
Which function should a developer use to repeatedly execute code at a fixed interval ?

  • A. setPeriod
  • B. setTimeout
  • C. setInteria
  • D. setIntervel

Answer: D

 

NEW QUESTION 62
Refer to following code block:
Let array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,];
Let output =0;
For (let num of array){
if (output >0){
Break;
}
if(num % 2 == 0){
Continue;
}
Output +=num;
What is the value of output after the code executes?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: D

 

NEW QUESTION 63
Refer to the code below:
Function Person(firstName, lastName, eyecolor) {
this.firstName =firstName;
this.lastName = lastName;
this.eyeColor = eyeColor;
}
Person.job = 'Developer';
const myFather = new Person('John', 'Doe');
console.log(myFather.job);
What is the output after the code executes?

  • A. ReferenceError: assignment to undeclared variable "Person"
  • B. Developer
  • C. Undefined
  • D. ReferenceError: eyeColor is not defined

Answer: C

 

NEW QUESTION 64
A developer implements a function that adds a few values.
Function sum(num) {
If (num == undefined) {
Num =0;
}
Return function( num2, num3){
If (num3 === undefined) {
Num3 =0 ;
}
Return num + num2 + num3;
}
}
Which three options can the developer invoke for this function to get a return value of 10 ?
Choose 3 answers

  • A. sum(10) ()
  • B. Sum () (20)
  • C. sum(5)(5)
  • D. Sum (5, 5) ()
  • E. sum() (5, 5)

Answer: C,E

 

NEW QUESTION 65
Refer to the following object.

How can a developer access the fullName property for dog?

  • A. Dog.fullName
  • B. Dog.fullName ( )
  • C. Dog, get, fullName
  • D. Dog, function, fullName

Answer: A

 

NEW QUESTION 66
Which code statement below correctly persists an objects in local Storage ?

  • A. const setLocalStorage = ( jsObject) => {
    window.localStorage.setItem(jsObject);
    }
  • B. const setLocalStorage = ( jsObject) => {
    window.localStorage.connectObject(jsObject));
    }
  • C. const setLocalStorage = (storageKey, jsObject) => {
    window.localStorage.persist(storageKey, jsObject);
    }
  • D. const setLocalStorage = (storageKey, jsObject) => {
    window.localStorage.setItem(storageKey, JSON.stringify(jsObject));
    }

Answer: D

Explanation:

 

NEW QUESTION 67
A developer has two ways to write a function:
Option A:
function Monster() {
This.growl = () => {
Console.log ("Grr!");
}
}
Option B:
function Monster() {};
Monster.prototype.growl =() => {
console.log("Grr!");
}
After deciding on an option, the developer creates 1000 monster objects.
How many growl methods are created with Option A Option B?

  • A. 1000 growl methods are created regardless of which option is used.
  • B. 1 growl method is created regardless of which option is used.
  • C. 1000 growl method is created for Option A. 1 growl methods are created for Option B.
  • D. 1 growl method is created for Option A. 1000 growl methods are created for Option B.

Answer: C

 

NEW QUESTION 68
Refer to the following code:

  • A. document.querySelectorAll('$main $TONY').innerHTML = '" The Lion
  • B. document.querySelector('$main li:second-child').innerHTML = " The Lion ';
  • C. document.querySelector('$main li:nth-child(2)'),innerHTML = " The Lion. ';
  • D. document.querySelector('$main li.Tony').innerHTML = '" The Lion ';

Answer: A

 

NEW QUESTION 69
Refer to the code:

Given the code above, which three properties are set pet1?
Choose 3 answers:

  • A. Owner
  • B. canTalk
  • C. Size
  • D. Type
  • E. Name

Answer: B,C,D

 

NEW QUESTION 70
A developer has two ways to write a function:
Option A:
function Monster(){
this.growl = ()=>{
console.log('Grr!');
}
}
Option B:
function Monster(){};
Monster.prototype.growl = ()=>{
console.log('Grr!');
}
After deciding on an option, the developer creates 1000 monster objects.
How many growl methods are created with Option A and Option B?

  • A. 1000 for Option A, 1 for Option B
  • B. 1 methods for both
  • C. 1 for Option A, 1000 for Option B
  • D. 1000 for both

Answer: B

 

NEW QUESTION 71
......

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