If this is your first pharmacy technician position talk about any other relevant work experience. After you passed your exam, you may be looking for some on-the-job training. You can talk about your education. Sharing some of things you found most interesting during your courses will show the interviewer your interest and desire to grow in the field.
"I don't have much experience working in the industry, but I can tell you about what I've learned about it in my training courses."