What did Lenny ask in the cable interview?

It depends on the position you are applying for.

1. If you are a technician, you may ask some technical questions about cables. If you are in a technical position, you may ask some questions about the cable manufacturing process or quality control. ...

2. Work experience, judging whether your qualifications (job category and position) meet the requirements from your work experience.

You may ask some questions to judge your personal soft ability and see if it meets the special requirements of this position.

The above is just a simple example for reference only.