Lpi 030-100 Practice Exams
Last updated on Oct 23,2026- Exam Code: 030-100
- Exam Name: Web Development Essentials - Exam 030, version 1.0
- Certification Provider: Lpi
- Latest update: Oct 23,2026
Question #41
Which of the following are valid input types in HTML? (Choose two)
- A . date
- B . file
- C . upload
- D . image
Correct Answer: AB
Question #42
What are essential features of source code editors and Integrated Development Environments (IDEs)? (Choose two)
- A . Ability to compile and execute code
- B . Built-in web browser for testing web applications
- C . Syntax highlighting and code completion
- D . Network monitoring for security analysis
Correct Answer: AC
Question #43
Which property is used in CSS to change the font of an element?
- A . font-style
- B . font-weight
- C . font-family
- D . text-style
Correct Answer: C
Question #44
Which of the following are common web development technologies and standards? (Choose two)
- A . Bluetooth communication
- B . HTML/CSS
- C . PCIe interface
- D . JavaScript
Correct Answer: B
Question #45
What are virtual hosts used for in web servers?
- A . To create multiple physical servers from a single hardware server
- B . To host multiple domain names on a single server
- C . To increase the server’s processing power
- D . To distribute network traffic evenly across multiple servers
Correct Answer: B
Question #46
What is a common way to protect against Cross-Site Scripting (XSS) in a Node.js application?
- A . Disabling cookies
- B . Using prepared SQL statements
- C . Sanitizing user input
- D . Implementing HTTPS
Correct Answer: C
Question #47
What is the primary use of the Node Package Manager (NPM)?
- A . To compile Node.js applications
- B . To update the Node.js engine
- C . To manage packages and dependencies in a Node.js project
- D . To create new Node.js modules from scratch
Correct Answer: C
Question #48
Which HTTP status codes indicate success and client error? (Choose two)
- A . 200
- B . 404
- C . 500
- D . 302
Correct Answer: AB
Question #49
In SQL, which command is used to add new data to a table?
- A . UPDATE
- B . INSERT INTO
- C . ADD NEW
- D . CREATE
Correct Answer: B
Question #50
Which of these statements about SQL is true? (Choose two)
- A . SQL is case-sensitive when it comes to commands and table names.
- B . SQL can query a database and retrieve information stored in it.
- C . SQL is a programming language primarily used for creating websites.
- D . SQL can insert, update, or delete records in a database.
Correct Answer: BD