The above is a queue of a waiting list. The ListQueue has a node (front) to record the address of the front element of a queue. It also has another node (rear) to record the address of the tail element of a queue.3. How do you pop a node from the above queue?a. `front.next = front;`b. `front = front.next`c. `rear = rear.next`d. `rear.next = rear`Describe the reason of your choice.Your answer is ______ (a, b, c or d)Will the pop action take time in O(1) or O(n)?**Diagram Explanation**- The first box labeled **ListQueue** includes: - `front` pointing to the first node - `rear` pointing to the last node - `size = 3`- The second box labeled **Node** contains: - `next` pointing to another node - `data = "Thome"`- The third box labeled **Node** contains: - `next` pointing to another node - `data = "Abreu"`- The fourth box labeled **Node** contains: - `next = null` indicating the end of the queue - `data = "Jones"`

Queue is a data structure that works on FIFO principle that is first in first out.

ListQueue Node Node Node front- next data - "Thome" next nul1 data - "Jones" next- rear C size = 3 data - "Abreu" The above is a queue of a waiting list. The ListQueue has a node (front) to record the address of the front element of a queue. It also has another node (rear) to record the address of the tail element of a queue. 3. How do you pop a node from the above queue? a. front.next = front; %3! b. front = front.next %3D c. rear = rear.next d. rear.next = rear Describe the reason of your choice. Your answer is (a, b, c or d) will the pop action take time in 0(1) or 0(n)? Next Page

ListQueue Node Node Node front- next data - "Thome" next nul1 data - "Jones" next- rear C size = 3 data - "Abreu" The above is a queue of a waiting list. The ListQueue has a node (front) to record the address of the front element of a queue. It also has another node (rear) to record the address of the tail element of a queue. 3. How do you pop a node from the above queue? a. front.next = front; %3! b. front = front.next %3D c. rear = rear.next d. rear.next = rear Describe the reason of your choice. Your answer is (a, b, c or d) will the pop action take time in 0(1) or 0(n)? Next Page

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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Question

The above is a queue of a waiting list. The ListQueue has a node (front) to record the address of the front element of a queue. It also has another node (rear) to record the address of the tail element of a queue.

3. How do you pop a node from the above queue?

a. `front.next = front;`

b. `front = front.next`

c. `rear = rear.next`

d. `rear.next = rear`

Describe the reason of your choice.

Your answer is ______ (a, b, c or d)

Will the pop action take time in O(1) or O(n)?

**Diagram Explanation**

- The first box labeled **ListQueue** includes:
- `front` pointing to the first node
- `rear` pointing to the last node
- `size = 3`

- The second box labeled **Node** contains:
- `next` pointing to another node
- `data = "Thome"`

- The third box labeled **Node** contains:
- `next` pointing to another node
- `data = "Abreu"`

- The fourth box labeled **Node** contains:
- `next = null` indicating the end of the queue
- `data = "Jones"`

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