Which of the following is not essential for individuals to have to build their own web page?
a. isp
b. web host
c. domain name
d. linux

The question above sounds a little ambiguous, but to build a web site, one would need a web host and domain name. To upload your content online, you would need internet connection which is provided by an ISP. So, I can say Linux isn't essential since it is an OS.

In windows explorer, select the file, folder, or groups of files and folders you'd like to copy. you can select multiple files or folders in several ways: click the first file or folder you want to select, hold down the ctrl key, and then click each additional file or folder you want.