1. Why a file encrypted by Wannacry can be possibly recovere…

1. Why a file encrypted by Wannacry can be possibly recovered? 2. Consider the following FAT and root directory. Originally there were three files. A file named ‘quiz.doc’ was permanently deleted. List the ordered clusters that may store this file.The FAT of a laptop is like the following:2345678948700056And the root directory table:File 1File 7Homework1.docHomework2.doc23

There are two password systems:A. Your password must be six…

There are two password systems:A. Your password must be six pins. It must include characters from at least two of the following categories: numbers, capital letters, lower-case letters, and special characters from ~!@#$%^&*()B. Your password must be six pins. You can use numbers, capital letters, lower letters, and special characters from ~!@#$%^&*()Please answer the following questions:1. What is the search space for System B?2. From the system designer’s perspective, which system is safer? Why?  3. From a smart user’s perspective, which system is safer? Why?Instruction: if you want to launch the math editor, in this answer box, click the right corner of the toolbar, ‘Insert content.’ Then, click the first item, ‘Math.’