Which of the following involves using various tools to find vulnerabilities in a system?

Under which of the following circumstances should an officer not transmit on the police radio?

a. The officer observes an electrical power wire lying on the ground. b. An off-duty officer observes an automobile collision. c. Another officer is involved in an emergency and has asked for radio clearance. d. The officer is making a "routine" traffic stop.

By default, animations in an animation set are applied simultaneously (i.e., in parallel), but you can use the ________ attribute to specify the number of millisec-onds into the future at which an animation should begin. This can be used to se-quence the animations in a set.

a. android:startTime b. android:offset c. android:sequence d. android:startOffset