Discovering Computers ©2018: Digital Technology, Data, and Devices

1st Edition

ISBN: 9781337285100

Author: Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Jennifer T. Campbell, Mark Frydenberg

Publisher: Cengage Learning

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Chapter 5, Problem 9SG

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Protection from internet and network attacks:

There are various methods to protect from internet and network attacks. They are,

Firewall

Antivirus software

Spyware and malware detection software

Backup should be taken regularly

Firewall:

Firewall is a program which is used to block the unidentified or unverified software to execute it in the system.

After the permission of the administrator, firewall will permits that software to execute it in to the system.

Antivirus software:

Antivirus software is specifically designed to safeguard the operating system from computer viruses and various attacks...

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Chapter 5, Problem 8SG

Chapter 5, Problem 10SG

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• Solve the problem (pls refer to the inserted image)

Write .php file that saves car booking and displays feedback. There are 2 buttons, which are <Book it> <Select a date>. <Select a date> button gets an input from the user, start date and an end date. Book it button can be pressed only if the start date and ending date are chosen by the user. If successful, it books cars for specific dates, with bookings saved. Booking should be in the .json file which contains all the bookings, and have the following information: Start Date. End Date. User Email. Car ID. If the car is already booked for the selected period, a failure message should be displayed, along with a button to return to the homepage. In the booking.json file, if the Car ID and start date and end date matches, it fails Use AJAX: Save bookings and display feedback without page refresh, using a custom modal (not alert).

Write .php file with the html that saves car booking and displays feedback. Booking should be in the .json file which contains all the bookings, and have the following information: Start Date. End Date. User Email. Car ID. There are 2 buttons, which are <Book it> <Select a date> Book it button can be pressed only if the start date and ending date are chosen by the user. If successful, book cars for specific dates, with bookings saved. If the car is already booked for the selected period, a failure message should be displayed, along with a button to return to the homepage. Use AJAX: Save bookings and display feedback without page refresh, using a custom modal (not alert). And then add an additional feature that only free dates are selectable (e.g., calendar view).

Chapter 5 Solutions

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Knowledge Booster

Solution Summary: The author explains the various methods of protection from internet and network attacks, such as Firewall, Spyware, and malware detection software.

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Chapter 5 Solutions