Often considered the "CEO" of their product area, product managers oversee the strategy, production, and implementation of a particular product. Because product management teams include members from different backgrounds such as engineering, design, and data design, product managers must have strong communication skills and excel in cross-functional work environments. Expect to answer questions about your management abilities, prioritization skills, and experience working in product. Though not required, technical backgrounds are advantageous particularly when applying for roles at tech companies.
Estimate how much it would cost to put wifi in San Fran.
From a person who really knows nothing about Wi-Fi, probably start off to estimate # of users to support per day, size and the landscape of the coverage area, the speed/bandwidth required. These are factors to determine # of access points required and what equipments to choose to install. Probably also need to discuss how interference complicate the design, which protocol to support.