In a singly linked list, the last node references to : a) Head b) NULL c) Next node d) None of the above

A linked list whose last node points back to both the head node and the previous node instead of containing the null pointer ____________

In a doubly linked list, what’s the “head” of a linked list?It’s the node with the pointer to the previous node equals to NULLIt’s the node with the pointer to the next node equals to NULLI don't know

How is the last node identified in a doubly linked list?It points to `None`.It has a special flag.It has a reference to the first node.It has a pointer to the previous node.

Which type of linked list has its last node pointing back to the first node?a.Singly linked listb.Circular linked listc.Linear linked listd.Doubly linked list

How is the last node of a Doubly Linked List identified?a)It contains a special value indicating the end.b)It points to NULL in the previous field.c)It points to NULL in the next field.d)It points to the first node.