Is Virtual memory infinite?

Question

I have been asked in an interview if virtual memory is infinite? I answered saying that it is not infinite. Then the interviewer asked the explanation and what I suggested was t

Answer 1

The size of virtual storage is limited by the addressing scheme of the computer system and by the amount of secondary memory available and not by actual number of main memory locations.

For example :- Even if you had 20 TB of secondary memory, it doesn't mean that virtual memory can be 20TB. It is restricted by your computer architecture.