Question: In a singly - linked list with 1 element, the tail pointer _ _ _ _ and the next pointer of the head node _

In a singly-linked list with 1 element, the tail pointer ____ and the next pointer of the head node ____.
Question 9 options:
points to the last node, points to the first node
is null, is null
is null, points to the head node
points to the head node, is null

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