Choose the four conditions to provide mutual exclusion. Note that you earn points for selecting correct answers and lose points for selecting wrong answers.

1. There cannot be more than one critical region in the program.

2. Processes must start based on strict ordering.

3. No process must wait forever to enter its critical region.

4. No two processes can be inside a critical section at the same time.

5. Access to shared resources must always be serialized.

6. No process can deadlock.

7. No assumptions are made about speeds or numbers of CPUs.

8. No process running outside its critical region may block another process.