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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

Refer to the code below:Const pi = 3.1415326,What is the data type of pi?

Options :

A : Double

B : Number

C : Decimal

D : Float

Answer: B

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

A developer is working on an ecommerce website where the delivery date is dynamicallycalculated based on the current day. The code line below is responsible for this calculation.Const deliveryDate = new Date ();Due to changes in the business requirements, the delivery date must now be today'sdate + 9 days.Which code meets this new requirement?

Options :

A : deliveryDate.setDate(( new Date ( )).getDate () +9);

B : deliveryDate.setDate( Date.current () + 9);

C : deliveryDate.date = new Date(+9) ;

D : deliveryDate.date = Date.current () + 9;

Answer: A