If I were to register for a L01/01 for a particular subject, could I register for L02/02 for the same subject or would I be required to be in L02/01, i.e. the same repeat? Is this the same for tutes/workshops etc?
Depends on the subject. For most, you will be able to take L01/01, L02/03, L03/02; or whatever other combination.
However, some subjects have "linked" lectures and/or "linked" tutes. For example, Calculus 2 has linked lectures (e.g. can only register for L01/01, L02/01, L03/01), and Linear Algebra has linked lectures and linked tutes (1 hour tute and 1 hour computer lab).
That's not to say you
can't rock up to another lecture for linked ones, it just may mean that you'll have skipped a couple of slides, or have to sit through a couple of slides again.