030-100 Practice Test Questions Updated 85 Questions [Q25-Q39] : Latest Exam Prep : http://certify.vceprep.com

NO.25 What is the primary purpose of using EJS in an Express.js application?

To serve static files efficiently

To allow server-side rendering of HTML with embedded JavaScript

To handle HTTP POST requests

To manage database connection

NO.26 What is the primary role of HTTPS and TLS in web communications?

To compress data to reduce bandwidth usage

To secure communications between client and server

To increase the speed of data transfer

To convert static content to dynamic content

NO.27 How do you execute an SQL query in a NodeJS application?

Using the execute() method of the database connection object

With the runQuery() function

By invoking the sql.execute() function

Using the query() method of the database connection object

NO.28 In HTML, which attribute is used to link to an external CSS file?

src

href

rel

type

NO.29 Which of the following are true about Cross-Site Request Forgery (CSRF)? (Choose two)

It involves the execution of malicious scripts in a user’s browser.

It can be mitigated by using same-origin policy.

It is an attack that forces an end user to execute unwanted actions on a web application.

It is exclusively a server-side vulnerability.

NO.30 How are HTTP URLs typically mapped to file system paths on a web server?

Through the server’s firewall settings

By using the Domain Name System (DNS)

According to the server’s directory structure and configuration files

By encrypting the URL into a file path

NO.31 What is the primary role of HTML in web development?

To create the structure and content of a web page

To style and layout web pages

To add dynamic functionalities to web pages

To manage the database of a website

NO.32 Which of these are commonly used open source database management systems? (Choose two)

Microsoft SQL Server

Oracle Database

MySQL

PostgreSQL

NO.33 When creating links to page anchors in HTML, which attribute specifies the section of the page to link to?

href

src

name

target

NO.34 What is the primary use of the Node Package Manager (NPM)?

To compile Node.js applications

To update the Node.js engine

To manage packages and dependencies in a Node.js project

To create new Node.js modules from scratch

NO.35 What is the purpose of using em or rem units in CSS?

To create fixed-size layouts

To define colors

To provide relative sizing based on current or root element’s font size

To specify the opacity of an element

NO.36 In NodeJS, how do you typically retrieve data from a MySQL database?

Using the http.get method

By executing a SELECT query with the mysql module

Through direct file reading methods

Using the fetch API

NO.37 What is the purpose of the position property in CSS?

To specify how text is aligned within an element

To determine the method of positioning for an element

To create animated effects

To define the border style of an element

NO.38 Which HTML input type is used for a multi-line text input field?

text

password

textarea

NO.39 Which of the following are required in a basic HTML document structure? (Choose two)

<script> tag

<html> tag

<body> tag

<style> tag