PHP Sessions with disabled cookies, does it work?

Question

Today I had skype interview for a job as PHP developer, one of the questions asked was about Cookies and PHP Sessions.

The question was, can PHP session be set and r

Answer 1

"A visitor accessing your web site is assigned a unique id, the so-called session id. This is either stored in a cookie on the user side or is propagated in the URL. "

Sessions: Introduction