Two users share the same Windows 7 computer. The first user creates a document intended to be used by both users, and then logs off. The second user logs on and types the name of the document in the Start menu, but the document is not found. Which of the following is the problem?

Write a function that takes a single filename as an argument and adds execute permission to the file for the user.

$ function perms () { > chmod u+x $1 > } a. When might such a function be useful? b. Revise the script so it takes one or more filenames as arguments and adds execute permission for the user for each file argument. c. What can you do to make the function available every time you log in? d. Suppose that, in addition to having the function available on subsequent login sessions, you want to make the function available in your current shell. How would you do so?

Which of the following is BEST used to control access to the LAN?

A. DMZ B. NAC C. NAT D. Remote access