Question 1

A developer wants to set up a secure web server with Node.js. The developer creates adirectory locally called app-server, and the first file is app-server/index.jsWithout using any third-party libraries, what should the developer add to index.js to create thesecure web server?

Options :

A : const https =require('https');

B : const server =require('secure-server');

C : const tls = require('tls');

D : const http =require('http');

Answer: A

Question 2

Refer to the following array:Let arr1 = [ 1, 2, 3, 4, 5 ]; Capture Which two lines of code result in a second array, arr2 being created such that arr2 is nota reference to arr1?

Options :

A : Let arr2 = arr1.slice(0, 5);

B : Let arr2 = Array.from(arr1);

C : Let arr2 = arr1;

D : Let arr2 = arr1.sort();

Answer: A,B

Question 3

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 numbers in the array, and the test passes.A different developer made changes to the behavior of sum3 to instead sum only the first two numbers present in the array. Capture Which two results occur when running this test on the updated sum3 function?Choose 2 answers

Options :

A : The line 05 assertion passes.

B : The line 02 assertion passes.

C : The line 02 assertion fails.

D : The line 05 assertion fails.

Answer: B,D

Question 4

A developer receives a comment from the Tech Lead that the code given below haserror:const monthName = 'July';const year = 2019;if(year === 2019) {monthName = 'June';}Which line edit should be made to make this code run?

Options :

A : 01 let monthName ='July';

B : 02 let year =2019;

C : 02 const year = 2020;

D : 03 if (year == 2019) {

Answer: A

Question 5

Which three actions can be using the JavaScript browser console?Choose 3 answers:

Options :

A : View and change DOM the page.

B : Display a report showing the performance of a page.

C : Run code that is not related to page.

D : view , change, and debug the JavaScript code of the page.

E : View and change security cookies.

Answer: A,C,D

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