Admittedly I haven't worked for about 10 years, but while I would never dodge answering substantial questions about education, career, and skills. I think questions on salary, past or future, and other peripheral questions can, with discretion, be safely ignored.
In the past I have had to job hunt when it was an employers market and when it was permissible to discriminate against women because they had children and ask questions about childcare, family plans and a whole range of topics that are now forbidden. I can remember filling in forms that inquired about my religion for no obvious reason. I left that question blank.
Not all employers are looking for obedient sheep. Some employers look well on potential employees who are prepared to question things.
It is not what you do, it is the way that you do it.