Access control: Access control is a security technique that controls the admission of workers into trustworthy areas of the organization. It is maintained through a collection of policies, programs to carry out those policies, and technologies that implement the policies. It is an important concept in security that reduces risk to the business or organization. It is divided into two types are, physical access control and logical access control.

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Exercise 1 Function and Structure [30 pts] Please debug the following program and answer the following questions. There is a cycle in a linked list if some node in the list can be reached again by continuously following the next pointer. #include typedef struct node { int value; struct node *next; } node; int 11_has_cycle (node *first) if (first == node *head { NULL) return 0;B = first; while (head->next != NULL) { if (head == first) { return 1; } head head->next; } return 0; void test_11_has_cycle() { int i; node nodes [6]; for (i = 0; i < 6; i++) nodes [i] .next = NULL; nodes [i].value i; } nodes [0] .next = &nodes [1]; nodes [1] .next = &nodes [2]; nodes [2] .next = &nodes [3]; nodes [3] .next = & nodes [4]; nodes [4] .next = NULL; nodes [5] .next = &nodes [0]; printf("1. Checking first list for cycles. \n Function 11_has_cycle says it hass cycle\n\n", 11_has_cycle (&nodes [0]) ?"a":"no"); printf("2. Checking length-zero list for cycles. \n Function 11_has_cycle says it has %s…

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Chapter 8, Problem 19RQ

Program Plan Intro

Access control:

Access control is a security technique that controls the admission of workers into trustworthy areas of the organization.

It is maintained through a collection of policies, programs to carry out those policies, and technologies that implement the policies.

It is an important concept in security that reduces risk to the business or organization.

It is divided into two types are, physical access control and logical access control.

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Exercise 1 Function and Structure [30 pts] Please debug the following program and answer the following questions. There is a cycle in a linked list if some node in the list can be reached again by continuously following the next pointer. #include typedef struct node { int value; struct node *next; } node; int 11_has_cycle (node *first) if (first == node *head { NULL) return 0;B = first; while (head->next != NULL) { if (head == first) { return 1; } head head->next; } return 0; void test_11_has_cycle() { int i; node nodes [6]; for (i = 0; i < 6; i++) nodes [i] .next = NULL; nodes [i].value i; } nodes [0] .next = &nodes [1]; nodes [1] .next = &nodes [2]; nodes [2] .next = &nodes [3]; nodes [3] .next = & nodes [4]; nodes [4] .next = NULL; nodes [5] .next = &nodes [0]; printf("1. Checking first list for cycles. \n Function 11_has_cycle says it hass cycle\n\n", 11_has_cycle (&nodes [0]) ?"a":"no"); printf("2. Checking length-zero list for cycles. \n Function 11_has_cycle says it has %s…

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