030-100 Free Study Guide! with New Update 85 Exam Questions [Q30-Q51]

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030-100 Free Study Guide! with New Update 85 Exam Questions

Get up-to-date Real Exam Questions for 030-100 UPDATED [2024]

NEW QUESTION 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

NEW QUESTION 31
In CSS, what does the float property do?

Makes an element change its color when floated over

Specifies how text should flow around an element

Defines the transparency of an element

Aligns elements vertically

NEW QUESTION 32
In CSS, what are media queries primarily used for?

To create different styles for different media types and screen sizes

To add media content like video and audio

To automatically play media files on a webpage

To query and retrieve media files from the server

NEW QUESTION 33
What are essential features of source code editors and Integrated Development Environments (IDEs)? (Choose two)

Ability to compile and execute code

Built-in web browser for testing web applications

Syntax highlighting and code completion

Network monitoring for security analysis

NEW QUESTION 34
Which programming paradigms are characterized by the use of functions, procedures, and objects?
(Choose three)

Functional programming

Procedural programming

Object-oriented programming

Assembly language programming

NEW QUESTION 35
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

NEW QUESTION 36
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.

NEW QUESTION 37
In Express.js, how are EJS templates rendered?

res.send(templateName, data)

res.render(templateName, data)

res.ejs(templateName, data)

res.template(templateName, data)

NEW QUESTION 38
Which CSS property is used to specify the stacking order of positioned elements?

position

display

z-index

align-items

NEW QUESTION 39
In Node.js, which function is used to include built-in modules?

include()

require()

import()

getModule()

NEW QUESTION 40
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

NEW QUESTION 41
What does ‘CSS Grid Layout’ provide?

A framework for positioning elements in a grid-based layout system

A method for changing the color of the elements

A plugin for adding multimedia content

A built-in spellchecker for text content

NEW QUESTION 42
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

NEW QUESTION 43
What is a primary key in an SQL database?

A unique identifier for each row in a table

A password to access the database

The main field used for joining tables

The highest value in a table

NEW QUESTION 44
In the context of web application architecture, what is the primary function of a web server?

To store client data persistently

To host web applications and handle HTTP requests

To render web pages on the client side

To provide dynamic IP addressing for clients

NEW QUESTION 45
Which are commonly used HTTP servers? (Choose two)

Adobe Photoshop

Apache HTTP Server

Nginx

Microsoft Excel

NEW QUESTION 46
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

NEW QUESTION 47
When establishing a database connection in NodeJS, which module is commonly used for MySQL?

mysql

mongodb

sqlconnect

db-mysql

NEW QUESTION 48
In HTML, what is the purpose of the alt attribute in an <img> tag?

To provide a text alternative for the image

To change the image source

To specify a secondary image

To apply styles to the image

NEW QUESTION 49
What is source code in the context of software development?

A compiled version of a program ready to be executed

The original code written by a programmer in a high-level language

A specialized language used only for web development

The output produced after a program is executed

NEW QUESTION 50
Which HTML tag is used to create a hyperlink?

<link>

<a>

<href>

NEW QUESTION 51
What is the primary purpose of HTTP cookies?

To encrypt data transmissions

To provide a user interface

To store data on the client’s machine for state management

To increase network bandwidth efficiency

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030-100 Free Study Guide! with New Update 85 Exam Questions [Q30-Q51]

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