The _________ layer deals with the logical structure of files and with the operations that can be specified by users, such as open, close, read, and write.

The following command can be used to accomplish the above task. chmod 640 test1 The following commands (in this order) can be used to perform the same task. chmod a-rwx test1 chmod u+rw,g+r,o-rwx test1

What will be an ideal response?

You should beware of a person attempting to use your computer after you step away from it, a term referred to as which of the following?

A. shoulder surfing B. tailgating C. social engineering D. session hijacking