Question 1

developer is trying to convince management that their team will benefit from usingNode.js for a backend server that they are going to create. The server will be a web server thathandles API requests from a website that the team has already built using HTML, CSS, andJavaScript.Which three benefits of Node.js can the developer use to persuade their manager?Choose 3 answers:

Options :

A : I nstalls with its own package manager to install and manage third-party libraries.

B : Ensures stability with one major release every few years.

C : Performs a static analysis on code before execution to look for runtime errors.

D : Executes server-side JavaScript code to avoid learning a new language.

E : User non blocking functionality for performant request handling .

Answer: A,C

Question 2

Universal Containers recently launched its new landing page to host a crowd-fundingcampaign. The page uses an external library to display some third-party ads. Once the page isfully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like theone in the code below: Capture All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.

Options :

A : Use the DOM inspector to prevent the load event to be fired.

B : Use the browser to execute a script that removes all the element containing the class ad-library-item.

C : Use the DOM inspector to remove all the elements containing the class ad-library-item.

D : Use the browser console to execute a script that prevents the load event to be fired.

Answer: B

Question 3

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

Options :

A : setIntervel

B : setTimeout

C : setPeriod

D : setInteria

Answer: A

Question 4

Refer to HTML below:The current status of an Order: In Progress Which JavaScript statement changes the text 'In Progress' to 'Completed' ?

Options :

A : document.getElementById(''status'').Value = 'Completed' ;

B : document.getElementById(''#status'')[removed] = 'Completed' ;

C : document.getElementById(''status'')[removed] = 'Completed' ;

D : document.getElementById(''.status'')[removed] = 'Completed' ;

Answer: C

Question 5

A developer has the function, shown below, that is called when a page loads.function onload() {console.log(''Page has loaded!'');}Where can the developer see the log statement after loading the page in the browser?

Options :

A : Terminal running the web server.

B : Browser performance toots

C : Browser javaScript console

D : On the webpage.

Answer: C

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