Please help with the following "Processes" question!!!

Thanks

QUESTION 1 Which of the following functions always returms exactly once? O exit0 O fork0 O None of the given functions execve0) QUESTION 2 Consider the following C program. Fill in the table to indicate how many times each printf will execute funo printf"Ain'") fork: print Bin'" if (fork() = 0) { printf Cn" forkO printf Din" else exit0: printfl Ein"); in