The only option false in the above question is (C)
Reasons To back my Answer:
1. It is always required to chek the underflow and overflow conditions. It will throw an error : Invalid memory access error.
2. It is obvious from the the diagram below.
3. If we move the head then the previous data will be lost , so it is always advisable to use another pointer "p" to navgate in a link list.
X->YZ , Y->XZ , ...