A. Last In First Out (LIFO)
B. First In Last Out (FILO)
C. First In First Out (FIFO)
D. Last In Last Out (LILO)

Solution

C. First In First Out (FIFO)

Explanation

Queue is a linear data structure which works on the principle of first in first out. This means that the first element to be inserted in a queue will be the first one to be removed.