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The regular queue is a FIFO structure, meaning that you can only enqueue at the rear and dequeue at the front. Suppose that the dequeue operation can also be performed at the rear (so you can remove and return the last element on the queue), which of the following describes the correct and efficient way of using a linked list to implement this queue? O Using a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the last node and removes it. O Using a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the second to last node and removes the last node. Using a singly linked list with references that point to the first and the last nodes respectively, the dequeue method removes the last node via the corresponding reference. Using a doubly linked list with referencesthat point to the first and the last nodes respectively, the dequeue method can remove the last node via the corresponding reference. ONone of the above

The regular queue is a FIFO structure, meaning that you can only enqueue at the rear and dequeue at the front. Suppose that the dequeue operation can also be performed at the rear (so you can remove and return the last element on the queue), which of the following describes the correct and efficient way of using a linked list to implement this queue? O Using a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the last node and removes it. O Using a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the second to last node and removes the last node. Using a singly linked list with references that point to the first and the last nodes respectively, the dequeue method removes the last node via the corresponding reference. Using a doubly linked list with referencesthat point to the first and the last nodes respectively, the dequeue method can remove the last node via the corresponding reference. ONone of the above

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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The regular queue is a FIFO structure, meaning that you can only enqueue at the rear and dequeue at the front. Suppose that the dequeue operation can also be performed at the rear (so you can remove and return the last element on the queue), which of the following describes the correct and efficient way of using a linked list to implement this queue? OUsing a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the last node and removes it. O Using a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the second to last node and removes the last node. O Using a singly linked list with references that point to the first and the last nodes respectively, the dequeue method removes the last node via the corresponding reference. OUsing a doubly linked list with references that point to the first and the last nodes respectively, the dequeue method can remove the last node via the corresponding reference. O None of the above
Transcribed Image Text:The regular queue is a FIFO structure, meaning that you can only enqueue at the rear and dequeue at the front. Suppose that the dequeue operation can also be performed at the rear (so you can remove and return the last element on the queue), which of the following describes the correct and efficient way of using a linked list to implement this queue? OUsing a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the last node and removes it. O Using a singly linked list with a reference to the head only, the dequeue method traverses it, stops at the second to last node and removes the last node. O Using a singly linked list with references that point to the first and the last nodes respectively, the dequeue method removes the last node via the corresponding reference. OUsing a doubly linked list with references that point to the first and the last nodes respectively, the dequeue method can remove the last node via the corresponding reference. O None of the above
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