A malicious attacker, Alex, sets his sights eccouncil video

Full Certification Question

A malicious attacker, Alex, sets his sights on a web application that uses SQL databases for user authentication and data retrieval. Alex, armed with SQL injection skills, devises a plan to bypass user authentication and extract sensitive data. Alex cleverly employs a SQL injection technique leveraging the Conditional OR clause. This technique involves manipulating the WHERE clause conditions in SQL queries to always evaluate to true, thus bypassing authentication checks. Which of the following SQL injection attacks did Alex employ?