Which of the following statements are TRUE regarding Cisco access lists? (Choose two.) 

In an inbound access list, packets are filtered as they enter an interface. 

In an inbound access list, packets are filtered before they exit an interface. 

Extended access lists are used to filter protocol-specific packets. 

You must specify a deny statement at the end of each access list to filter unwanted traffic. 

When a line is added to an existing access list, it is inserted at the beginning of the access list.