Salesforce CRT-600 Test Engine Dumps Training With 225 Questions
CRT-600 Questions Pass on Your First Attempt Dumps for Salesforce Certified Certified
NEW QUESTION # 27
developer is trying to convince management that their team will benefit from using Node.js for a backend server that they are going to create. The server will be a web server that handles API requests from a website that the team has already built using HTML, CSS, and JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Choose 3 answers:
- A. Ensures stability with one major release every few years.
- B. Installs with its own package manager to install and manage third-party libraries.
- C. Executes server-side JavaScript code to avoid learning a new language.
- D. Performs a static analysis on code before execution to look for runtime errors.
- E. Uses non-blocking functionality for performant request handling .
Answer: B,D,E
NEW QUESTION # 28
Refer to the code below:
function foo () {
const a =2;
function bat() {
console.log(a);
}
return bar;
}
Why does the function bar have access to variable a ?
- A. Outer function's scope
- B. Inner function's scope
- C. Hoisting
- D. Prototype chain
Answer: A
NEW QUESTION # 29
developer uses the code below to format a date.
After executing, what is the value of formattedDate?
- A. June 10, 2020
- B. October 05, 2020
- C. November 05, 2020
- D. May 10, 2020
Answer: A
NEW QUESTION # 30
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: B
NEW QUESTION # 31
Refer to the following code:
function test (val) {
If (val === undefined) {
return 'Undefined values!' ;
}
if (val === null) {
return 'Null value! ';
}
return val;
}
Let x;
test(x);
What is returned by the function call on line 13?
- A. 'Null value!'
- B. Line 13 throws an error.
- C. 'Undefined values!'
- D. Undefined
Answer: C
NEW QUESTION # 32
A test has a dependency on database. query. During the test, the dependency is replaced with an object called database with the method, Calculator query, that returns an array. The developer does not need to verify how many times the method has been called.
Which two test approaches describe the requirement?
Choose 2 answers
- A. Substitution
- B. Black box
- C. White box
- D. Stubbing
Answer: A,C
NEW QUESTION # 33
Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?
A)
B)
C)
D)
- A. Option D
- B. Option B
- C. Option C
- D. Option A
Answer: D
NEW QUESTION # 34
Which two console logs output NaN?
Choose 2 answers | |
- A. console.log(10 / 0);
- B. console.log(10 / Number('5) ) ;
- C. console.log(parseInt ' ("two')) ;
- D. console.loeg(10 / 'five');
Answer: C,D
NEW QUESTION # 35
Which two console logs outputs NaN ?
Choose 2 answers
- A. console.log(10/ Number('5'));
- B. console.log(parseInt('two'));
- C. console.log(10/ ''five);
- D. console.log(10/0);
Answer: B,C
NEW QUESTION # 36
Refer to the code below:
What is the output of this function when called with an empty array?
- A. Return NaN
- B. Return 5
- C. Return 0
- D. Return Infinity
Answer: B
NEW QUESTION # 37
A Developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three number in the array, The test passes:
Let res = sum2([1, 2, 3 ]) ;
console.assert(res === 6 );
Res = sum3([ 1, 2, 3, 4]);
console.assert(res=== 6);
A different developer made changes to the behavior of sum3 to instead sum all of the numbers present in the array. The test passes:
Which two results occur when running the test on the updated sum3 function ?
Choose 2 answers
- A. The line 05 assertion passes.
- B. The line 02 assertion passes.
- C. The line 05 assertion fails.
- D. The line 02 assertion fails
Answer: B,C
NEW QUESTION # 38
Refer to the code below:
const addBy = ?
const addByEight =addBy(8);
const sum = addBYEight(50);
Which two functions can replace line 01 and return 58 to sum?
Choose 2 answers
- A. const addBy = function(num1){
return function(num2){
return num1 + num2;
} - B. const addBY = (num1) => (num2) => num1 + num2;
- C. const addBy = (num1) => num1 + num2 ;
- D. const addBy = function(num1){
return num1 + num2;
}
Answer: A,B
NEW QUESTION # 39
After user acceptance testing, the developer is asked to change the webpage background based on user's location. This change was implemented and deployed for testing.
The tester reports that the background is not changing, however it works as required when viewing on the developer's computer.
Which two actions will help determine accurate results?
Choose 2 answers
- A. The developer should inspect their browser refresh settings.
- B. The developer should rework the code.
- C. The tester should dear their browser cache.
- D. The tester should disable their browser cache.
Answer: A,C
NEW QUESTION # 40
Refer to the code snippet:
Function getAvailabilityMessage(item) {
If (getAvailability(item)){
Var msg ="Username available";
}
Return msg;
}
A developer writes this code to return a message to user attempting to register a new username. If the username is available, variable.
What is the return value of msg hen getAvailabilityMessage ("newUserName" ) is executed and getAvailability("newUserName") returns false?
- A. "newUserName"
- B. undefined
- C. "Username available"
- D. "Msg is not defined"
Answer: B
NEW QUESTION # 41
Given the following code:
Let x =null;
console.log(typeof x);
What is the output of the line 02?
- A. "Object"
- B. "Null"
- C. "undefined"
- D. "X"
Answer: A
NEW QUESTION # 42
Given the JavaScript below:
01 function filterDOM (searchString) {
02 const parsedSearchString = searchString && searchString.toLowerCase() ;
03 document.quesrySelectorAll(' .account' ) . forEach(account => (
04 const accountName = account.innerHTML.toLOwerCase();
05 account. Style.display = accountName.includes(parsedSearchString) ? /*Insert code*/;
06 )};
07 }
Which code should replace the placeholder comment on line 05 to hide accounts that do not match the search string?
- A. ' visible ' : ' hidden '
- B. ' name ' : ' block '
- C. ' hidden ' : ' visible '
- D. ' Block ' : ' none '
Answer: D
NEW QUESTION # 43
Which statement accurately describes an aspect of promises?
- A. In a.then() function, returning results is not necessary since callbacks will catch the result of a previous promise.
- B. Arguments for the callback function passed to .then() are optional.
- C. .then() manipulates and returns the original promise.
- D. .then() cannot be added after a catch.
Answer: B
NEW QUESTION # 44
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