In a Data Analyst interview, you would expect majorly questions on your skills and tools mentioned and your projects. If you have experience then review the business process end to end in your interview preparation. You only need to revise the fundamentals of everything you have mentioned in your resume. The last but important thing is communicate effectively.
You can check out this blog on Data Analyst Interview Questions by Intellipaat for most frequently asked questions is Data Analyst Interviews with simple and lucid explanations.
Also, check out Intellipaat's Data Analytics Online Course to gain in-depth knowledge in the field.
Also, you can watch this video on Data Analyst Interview Questions to start your preparation: