Which one of the following options does the established keyword in an ACL entry indicate?

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.

View Answer

Answer: B