Access control entries (ACE), which are part of an access control list (ACL), can classify packets by inspecting Layer 2 through Layer 4 headers for a number of parameters, including which of the following items?
A. Layer 2 protocol information such as EtherTypes
B. Layer 3 protocol information such as ICMP, TCP, or UDP
C. Layer 3 header information such as source and destination IP addresses
D. Layer 4 header information such as source and destination TCP or UDP ports
