Lpi 030-100 Web Development Essentials – Exam 030, version 1.0 Online Training
Lpi 030-100 Online Training
The questions for 030-100 were last updated at Mar 03,2025.
- Exam Code: 030-100
- Exam Name: Web Development Essentials - Exam 030, version 1.0
- Certification Provider: Lpi
- Latest update: Mar 03,2025
What is the primary role of the WHERE clause in an SQL query?
- A . To specify which table to select or delete data from
- B . To define the conditions that must be met for rows to be included in the result set
- C . To join multiple tables
- D . To limit the number of returned records
For embedding audio files in HTML, which of the following elements is appropriate?
- A . <img>
- B . <audio>
- C . <video>
- D . <iframe>
What is the primary role of HTML in web development?
- A . To create the structure and content of a web page
- B . To style and layout web pages
- C . To add dynamic functionalities to web pages
- D . To manage the database of a website
In SQL, what is the function of the LIMIT clause?
- A . To restrict the number of rows returned by a query
- B . To specify the join conditions between tables
- C . To sort the result set in ascending or descending order
- D . To group rows that have the same values in specified columns
Which of these are commonly used open source database management systems? (Choose two)
- A . Microsoft SQL Server
- B . Oracle Database
- C . MySQL
- D . PostgreSQL
What distinguishes an application server from a web server?
- A . An application server only serves static content
- B . An application server is responsible for handling database queries
- C . An application server provides business logic for an application
- D . An application server can only handle HTTP requests
What is the main purpose of WebAssembly in the context of web application development?
- A . To increase the execution speed of client-side scripts
- B . To create complex SQL queries
- C . To manage server-side databases
- D . To handle email services in web applications
How are comments added in CSS?
- A . // This is a comment
- B . <!– This is a comment –>
- C . /* This is a comment */
- D . # This is a comment
How are HTTP URLs typically mapped to file system paths on a web server?
- A . Through the server’s firewall settings
- B . By using the Domain Name System (DNS)
- C . According to the server’s directory structure and configuration files
- D . By encrypting the URL into a file path
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
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