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Computer Computer Difficulty: Medium

Which term refers to the practice of creating and maintaining a record of who accessed certain data and what they did with it? Which of the following matches end of the string using regular expression in java? What is the output of the following code? #include<stdio.h> #include<stdlib.h> struct Node { int val; struct Node *next; }*head; int recursive_get_len(struct Node *current_node) { if(current_node == 0) return 0; return 1 + recursive_get_len(current_node->next); } int main() { int arr[10] = {-1,2,3,-3,4,5,0}, n = 7, i; struct Node *temp, *newNode; head = (struct Node*)malloc(sizeof(struct Node)); head->next = 0; temp = head; for(i=0; i<n; i++) { newNode = (struct Node*)malloc(sizeof(struct Node)); newNode->val = arr[i]; newNode->next = 0; temp->next = newNode; temp = temp->next; } int len = recursive_get_len(head->next); printf("%d",len); return 0; } Which of the following are types of PHP authentication implementation methodologies? 1. Hard-coding a login pair directly into the script 2. File-based authentication 3. Data-based authentication 4. PEAR'S HTTP authentication Related to computers, what is 'Wetware' ?