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Lpi 030-100 Exam Syllabus Topics:

Lpi Linux Professional Institute Web Development Essentials Exam 030 Sample Questions:

1. What is the primary role of HTTPS and TLS in web communications?

A) To convert static content to dynamic content
B) To secure communications between client and server
C) To increase the speed of data transfer
D) To compress data to reduce bandwidth usage

2. What is the fundamental difference between relational and non-relational (NoSQL) databases?

A) Relational databases are only used in web development
B) Non-relational databases do not use SQL for querying
C) Relational databases are based on table structures, while non-relational databases are not
D) Non-relational databases are not capable of storing large amounts of data

3. Which of the following is a best practice to prevent SQL injection in NodeJS?

A) Storing database credentials in the code
B) Employing prepared statements or parameterized queries
C) Concatenating user inputs directly into SQL queries
D) Using regular expressions to sanitize input

4. Which of these are commonly used open source database management systems? (Choose two)

A) Oracle Database
B) Microsoft SQL Server
C) MySQL
D) PostgreSQL

5. When adding an image to an HTML document, which attribute is essential for accessibility?

A) title
B) src
C) alt
D) href

Solutions: