Which one of the following options does the established keyword in an ACL entry indicate?
A. The established keyword function has been deprecated and no longer serves as a functional configuration element.
B. Reply packets that belong to an established TCP connection will be permitted if the TCP packet has the ACK or RST bit set.
C. Reply packets that belong to an established TCP connection will be permitted if the TCP packet has the SYN or FIN bit set.
D. The device interface will modify the source IP address to that of the interface that it enters through.
