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 ____.
Group of answer choices
is null, is null
is null, points to the head node
points to the head node, is null
points to the last node, points to the first node

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