EBK ENHANCED DISCOVERING COMPUTERS & MI
1st Edition
ISBN: 9780100606920
Author: Vermaat
Publisher: YUZU
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Chapter 10, Problem 4CTQ
Explanation of Solution
Network security risks:
The team members considered the following network security risks for resear...
Explanation of Solution
Risks:
Virus programs:
- A virus
program is a small piece of malicious code that can corrupt user files and delete valuable information and pose as a great threat to the network security. - Virus programs devastate the network security and the number of malicious program increases day by day.
- At their worst, these malicious programs have the potential to wipe out user’s hard disk.
Software vulnerabilities:
- When a user is updating the software regularly, software vulnerabilities are possible...
Explanation of Solution
An example Industrial article:
Ransomware:
- Ransomware ranks high on the list of network security risks encountered by both large and small organizations.
- In 2018, Verison’s data breach report states that the Ransomware is one of the top malicious network security risks found in 39 percent of network security related cases...
Explanation of Solution
Steps of network administrator to recover and prevent the damages from future risks:
- First, the network administrator should ensure the Ransomware is entirely deleted from the system...
Explanation of Solution
Hardware and software to safeguard against the network security risks:
- Users can use a good antivirus program with complete protection...
Explanation of Solution
Guidelines for network users to avoid the risks:
- Awareness: The network user should have proper knowledge on the network threats, their risks, what the threats can do, and how to prevent them.
- Scanning: The network user must always scan email attachment or d...
Expert Solution & Answer
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Rate Category Rate per MinuteDaytime (6:00 a.m. through 5:59 p.m.) $0.07Evening (6:00 p.m. through 11:59 p.m.) $0.12Off-Peak (midnight through 5:59 a.m.) $0.05Write a GUI application that allows the user to select a rate category (from a set of radio buttons), and enter the number of minutes of the call into an Entry widget. An info dialog box should display the charge for the call.
Name and Address
The Name and Address Problem
Write a GUI program that displays your name and address when a button is clicked. The program’s window should appear as the sketch on the left side of Figure 13-61 when it runs. When the user clicks the Show Info button, the program should display your name and address, as shown in the sketch on the right of the figure.
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;
first;
while (head->next != NULL) {
}
if (head
first) {
return 1; }
head = head->next;
return 0;
void test ll_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] .next
&nodes [4];
NULL;
nodes [5] .next = &nodes [0];
printf("1. Checking first list for cycles. \n Function 11_has_cycle says it
has s 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…
Chapter 10 Solutions
EBK ENHANCED DISCOVERING COMPUTERS & MI
Ch. 10 - Prob. 1SGCh. 10 - Prob. 2SGCh. 10 - Prob. 3SGCh. 10 - Prob. 4SGCh. 10 - Prob. 5SGCh. 10 - Prob. 6SGCh. 10 - Prob. 7SGCh. 10 - Prob. 8SGCh. 10 - Prob. 9SGCh. 10 - Prob. 10SG
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