Here are the answers to your questions:
Question 1: The brief detention of a person by the police for questioning.
Answer: b - Stop
Question 2: A pat-down or minimal search by police to discover weapons and is conducted for the protection of the officer.
Answer: b - Frisk
Question 3: A traffic stop requires ___________ that the driver has violated a traffic law.
Answer: d - Probable cause
Question 4: People in a vehicle do not have the same reasonable expectation of privacy as they would have if they were in their places of their home.
Answer: True
Question 5: When can a warrantless search of a vehicle occur?
Answer: c - The arresting officer reasonably believes that the car contains evidence pertinent to the same crime for which the arrest took place