________ are small charts that are embedded into the cells in a worksheet

A technician recently set up a new wired network and wants to ensure only his computers can use it. Which of the following is the most secure way to accomplish this?

a. Disable the extra ports on the router b. Enable an intrusion detection system c. Make sure the computers are using strong passwords d. Assign static IP addresses to the computers

In the accompanying figure, item 3 is pointing to the ____.

A. name of the person who created the file B. file's hidden properties C. file tags and ratings D. menu bar