The horizontal and vertical lines on an Excel worksheet are called _________________________.

In ____ cryptography, the encryption and decryption operations are the same, but they use different keys.

A. private key B. secret key C. public key D. shared key

To navigate to a directory above your current directory with the relative method, you use ____.

A. a forward slash (/) B. a back slash (\) C. one dot (.) D. two dots (..)