2. (7-Zip Encryption) This assignment problem requires access to a computer with

2. (7-Zip Encryption)
This assignment problem requires access to a computer with 7-Zip installed.
a. Create a new folder named folder1 with one empty text file inside the folder. Use 7-Zip to add your folder1 folder to create a 7z archive with encryption by supplying a password (please follow the default setting of 7-Zip except the password). Delete your folder1 folder, and then extract your encrypted 7z file. Are you forced to give your password during the extraction? Explain.
b. Create another new folder named folder2 with one non-empty text file inside the folder. Use 7-Zip to add your folder2 folder to create a 7z archive with encryption by supplying a password (please follow the default setting of 7-Zip except the password). Delete your folder2 folder, and then extract your encrypted 7z file. Are you forced to give your password during the extraction? Explain.
c. Which encryption method 7-Zip uses? Is this method symmetric or asymmetric? Is this encryption method solid or weak as of now?