What are the attributes that SecureXL will check after the connection is allowed by Security Policy?

What are the attributes that SecureXL will check after the connection is allowed by Security Policy?
A . Source address, Destination address, Source port, Destination port, Protocol
B . Source MAC address, Destination MAC address, Source port, Destination port, Protocol
C . Source address, Destination address, Source port, Destination port
D . Source address, Destination address, Destination port, Protocol

Answer: A