In a typical selenium interview, the interview would always focus on fundamentals more than questions on coding skills. There can be questions to draw your automation framework if you have prior experience. The interviewer can ask about the major issues you faced during automation frameworks and negative test scenarios. Interviewer can ask questions about dynamic tables, creating Xpaths, TestNG, and Page object model. You can check out this Selenium Interview questions for frequently asked questions in the Selenium interview with a better explanation.
You can enroll in this Selenium training course by Intellipaat to learn Selenium.
You can watch this video on Selenium tutorial to start your preparation for the selenium interview: