Final answer:
If an examination permit or probationary holder is 21 years of age or older, they are exempt from driving restrictions between certain hours and are not required to have a passenger with a full driver's license.
Step-by-step explanation:
If an examination permit or probationary holder is 21 years of age or older, they are exempt from the restrictions of not driving between 11:01 PM and 5:00 AM (option a). They may use a cell phone while driving in an emergency (option b). They do not have to always drive with a passenger who holds a full driver's license (option d).