To add the Bcc field to a Message window, on the Ribbon, click the ____ tab, and then click the Bcc button in the Show Fields group.

_____ are symmetric keys to encrypt and decrypt information exchanged during the session and to verify its integrity.

A. Encrypted signatures B. Session keys C. Digital certificates D. Digital digests

Method ________ is called when the position of a SeekBar’s thumb changes.

a. onSeekBarChanged b. onThumbPositionChanged c. onValueChanged d. onProgressChanged